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     To let you know - John John (JJ) took Western Canadian Championship on 85 Yamaha with Somender's 5 groove set-up.  Shaving head 10 thou out-performed 3 groove.  Jet sizing way down - performance way up.  4 stroke Honda was hole shotting 90% of every race.    Thank you very much for helping us out.  Happy New Year & best wishes to you and yours.  kp / whitecourt
 see Groove Photos from 200520062007 and now 2009

Somender Singh, Innovator of the Year 2004 


"[using] Mr. Singh's invention, the yearly national fuel savings would equal the amount of oil America imports from the Persian Gulf."

We are witnessing the culmination of resource depletions in every commodity & source on Earth ~ On ' A massive scale ' along with senseless " Burning up of Oxygen " taking place all around us to keep us Mobile, Active & Warm. At this point of time my simple Groovy technology is the only affordable solution as " New or Retrofits " that has emerged over time,  regardless of some people's personal issues and their scientific merits to disprove my Discovery. Proof just keeps rolling in all the time. How many independent results equal positive findings ? When does the World take notice and see for ' Themselves ' just how good and simple these Grooves  are ? At this point of time  We do offer definitive solutions to bring down  Global Warming & CO2 releases ! As none seem to be worried or effected by such issues surrounding us ? We are sure, you will find the same " changes " others are finding after grooving ..  Increased Torque, Increased Low-End Power and Overall Fuel Savings with Lower Emissions & CO2, resulting in much cleaner engines with  lower operating temperatures and the capacity for unusually efficient engine " Tune Ups "  without the dreaded  " Mr Knock or Miss Ping " showing up !  Some call this movement ~" A Single Straw Revolution " ! With a hope to bring about some positive changes around us and the way we drive into the Future . . . . .  

Until viable alternative Fuels & Energy sources are Discovered or Inventedwe will have to deal with " Air Breathing "  Internal Combustion Engines burning up Petroleum products along with 15 POUNDS of AIR for every pound of fuel used up.  Even IF advancements such as Bio-Fuels &  Hydrogen Gas did come in to replace Oil we would still need plenty of Air to Oxidize all this fuel into Power !!  Millions of drivers will not be able to afford new vehicles, even with ZERO percent financing For the moment,  large scale improvements in Engine Efficiency out of existing engines is most essential for our long term economic independence and social well being. Or Else ?? It is a real" Up - Hill Task " for most of us !

Read on !     Squish, Squash & finally Squashed ! ! !

US Patent 6237579 is applicable to any 2 or 4 cycle internal combustion engines featuring " Squish or Quench " concepts. The placement of one or more grooves or channels or passages in the squish area as shown & described in the first page of my US Patent 6237579 results in "Accelerated Laminar Total Clean Burn Combustion " out of any fuel ? Meaning to say, this simple but radical design change to squish areas & configurations enhances progressive turbulence in the charge close to the skin of the combustion chamber and further directs the (added) turbulence towards the igniter followed by multiple flame front propagation thus resulting in a radical change to " In-cylinder Combustion ". This technology is as radical a change to engine design as it was with the introduction of the ' quench 'concepts by Sir Harry Ricardo almost 80 + years ago.  ALTCBC improves " Torque & Power " through the entire operating range with lesser amounts of fuel. This simple design change "opens up" the combustion chamber to activity. Hy-Brids can now benefit from enormous low-end torque produced out of smaller displacement engines to pull away with ease. Simplicity in design is the key to success in keeping down costs and pays for itself on the long run in a big way !

After this simple design change ~ Obsolete Side Valve Engines which feature large quench areas have shown reductions of up to 42.5 % in fuel consumption ( BSFC) when fully loaded at 2000 rpm on the dyno further producing more torque & power at lower operating temperatures in comparison to a stock engine. ( ARAI Test Results )

If the fuel inputs had dropped that drastically - What do you think the outcomes of  " CO2 & Emissions " ~ Could or Would be ~ Out of grooved engines ? And the impact all this will have on " Carbon Credit "    ...... and its  earnings in the future ?

"Remember the most important factor in increasing engine performance and efficiency is to create " maximum turbulence "  in the compression chamber."--Engine Legend Pat Goodman

This simple cost effective design change has the same dramatic effects on dual-fuel applications too & can accept much higher compression ratios on standard gaswith out the interference of knock or pri-ignition. This design change requires minute in-puts to optimize the size & location of the grooves along with compatible compression ratios to optimize existing 2 or 3 or 4 & 5 valve combustion chamber designs. These changes are close to ' Zero cost inputs ' when it comes to mass scale production - Costing almost  " Nil "  as additional costs. The only other costs to be considered are " Licensing & Royalties " for the use of IPR.?

Lots of debates are on to figure out how this design could be achieving these advantages over normal squish & quench concepts. Lets leave the ' Indepth Study ' to the learned & see if they can improve upon it any further ? While this design is ready for implementation & is sure to make a Big Big difference to the Motoring World in the form of fuel savings considering the Cost of Crude Oils going past $ 100+ along-with the Effects of Global Warming taking over in a Big way ? Effecting all of us & the rest on the Planet too !   Some call it  ~ " The Dimming Sun " ! ? ! ( Check it out on the net, it is for real ! ) A lot more Surprises are awaited in time to come . . . ? For Starters ~ There are three times more frozen CO2 & Other Forbidden Gases hidden beneath the melting glaciers & sheets of age old ice waiting to surface up into the open. This will bring about some sudden changes in the air and the Poles ?

 As a reminder - This design literally " Spells & Achieves "~ " More out of Less " involving the least inputs into existing engine designs.

We believe ~ " A Stitch In Time, Can Save Nine & More "  ? 
What Good Are " Discoveries & Inventions " ~  If They Are Not Put To Use ?

" The Answer My Friend . . .  Is Blowing In The Wind  ......  !!! "  The essence of life called “Crude Oils“ soaring past  $ 100 mark has dampened the Global Spirit of well being. Most average motorists are in a dizzy of what awaits them as ‘ Future Shock ‘ ! While the Automobile Industry fully anticipating these hikes are going " Full Steam Ahead " stamping out Millions of ‘ Wonder Machines ‘ of every conceivable shape and size to promote & pacify the needs of personalized transportation like never before.  All this hyper-activity has led to full house parking lots sending most of us on merry go-rounds like never before ? To add to all this, the existing " ON THE RUN " One Billion + I C Engines ticking away Globally are pushing the demands for Fuel & Oil beyond the reach of supply making Crude Oils even more expensive than the automobile itself ? 

' How’s that ' for an equation ? Global Oil Sales each year are exceeding $1500 + Billion mark with Exxon Mobil alone showing a full year revenue of $ 371 + Billion.  Sooner then later all this Oil is sure to burn up & turn into " Smoke & CO2 " and hang in the air for a while ?  

Did you know One Gallon Of Fuel
 burns up enough AIR to let out almost 20 Lbs of CO2 back into the air from the tail pipe 
Did you know One Litre of Petrol burns up enough Air to produce almost 2.5 Kgs of CO2 out of in-cylinder combustion !

It is high time we act with responsibility to enlighten the World At Large, about our shortcomings and our own makings that have brought about these life styles of "Burn-Ups & Burn-Outs."  Not to forget the very air we ' breathe in ' is polluted by excessive COand harmful emissions alongwith many other Monoxides & Die-Oxides & Trioxides descending from the skies each night ? Added to all the Jumbo-Jets flying overhead contributing to the rest of the " high altitude fallouts & hangouts "  of CO2 & Jet Trails causing " Global Warming out of  Heat Trapping " ! 

All the fuel we have burned up in the last 100 years has come from beneath. We need to remind ourselves – Knowingly or Unknowingly, we are burning up fossil fuels “ A Hundred Thousand Times Faster “ than what it took Nature to Oyster this Oil in the first place. As responsible Citizens of this Planet we need to leave behind adequate fuel and resources for our next generations to explore the pleasures of personalized transportation – Or else our generation will be blamed forthese senseless acts that we are committing & executing in style, each moment, as though tomorrow never  existed  ! ?   The Human Race in their " quest to conquest " are burning up vast quantities of valuable Life Supporting ' Oxygen ' in the AIR at a much faster pace than what  Nature can reverse or do to " break down " these excessive bi-products of  CO2 & Trash floating around us in the air and water, ending up ' tipping ' the very balance of existence on Mother Earth for all of us to live in !.? 

This is not the way out Sir, ….. ?    No !  No ! !  No ........ 

The World is heading the wrong way for sure ! On Every Count we humans are thoughtlessly Injuring & Killing Nature that has supported our very existence on Mother Earth all this while ! Soon the Energy in the Air & Water will start to diminish . . .  failing to support Life !  It is high time we looked at simple solutionsfloating around us rather than digging up a Big " Pit " to bury our past !  Even small changes can have large long-term consequences on ecological systems and  humans. The recent  UN reports on Global Warming must be running "Cold Sweat " in most Industrial & Political Circles...  While the rest of the World is waking up to the Truth !  Of what awaits us. . . in time to come ? I am reminded about the sand clock running out of  sand on the top end and the Gravity of the situation taking over ?
" Global Warming " is a living concern to ' one & all ' as the days go by ! 
Humanity " Thinks " we have solutions for everything on Earth ! It is the reverse ? We are the " Problem " for every-thing else on EARTH !
" earthling " .....   sing !!!

Simple Solutions To A Worldwide Crisis      

Grooves 101 PDF Print E-mail
Introduction to Groove Theory

What has been working since 1995 with countless engines modified and working better than ever, has fairly recently been brought to the US from India. We have also been contacted by volunteer testers in various other locations around the world. 

Somender Singh has been awarded an US Patent for his discovery of how to gain more engine power and economy by utilizing a small groove cut into the squish area(s) of the typical Internal Combustion Engine (ICE). The Groove(s) allows gasses to expand and compress with a quality that has consistently improved fuel efficiency, lowered operating temperature, improved torque and max power as well as lowering idle speed significantly.

 cutaway view of cylinder combustion area

notice the 'squirt' allowed by the Grooves (in red) in this cutaway view


The Groove has beneficial effects on the compression stroke as well as the power stroke. On the compression stroke, the Groove channels one last bit of air/fuel mixture towards the spark plug, maintaining swirl until the spark provides ignition. On the power stroke, the Groove provides a channel for hot gasses to jet towards the cylinder wall and rapidly ignite mixture in the squish area. It also appears that the Groove can destroy standing vortices in the squish areas as well. 

This is an ungrooved cylinder head        Ungrooved Cylinder head             
Without grooves, the combustion is incomplete and unburned fuel remains in the cylinder. This unburned fuel is still expanding during the exhaust stroke. At the end of the exhaust stroke, the expanding unburned gases flow past the intake valve into the intake manifold, causing poor idle, carbon deposits and lower performance. Notice the areas left unburned. This is the extent of the flamefront.

this is a grooved cylinder head showing improved combustion       Grooved cylinder head
Shown here are two different types of groove for illustration purposes only. Normally only one type of Groove is used (see photo). Follow this link to see other images of Grooved engines.
With the grooved cylinder heads, combustion is more complete leaving little unburned fuel behind, more of the fuel is used to generate power-faster, reducing the time that internal surfaces are exposed to heat. (That’s also why engines typically run 20 degrees F. cooler with a Groove) 

For more comparison pictures go here http://somender-singh.com/content/view/65/43/

With the modified heads, very little unburned fuel remains during the exhaust stroke. With less burning fuel to expand during the overlap period, the gasses flowing past the intake valve are reduced, resulting in improved idle quality even below 500rpm !

It has been conclusively proven that the Grooves are effective because of the additional benefits they allow: Higher compression ratio, less advance, lower idle speed and lower octane fuel. The difference in a tuned up Grooved engine is simple to understand. If the same tune, advance, and CR was used for an unGrooved engine, it probably wouldn't even start!

 Eliminating Ping (also called 'knock' or detonation) allows for an advance setting that is much closer to Top Dead Center (TDC) to get more power from each stroke of the Piston. This quality of a Grooved engine also enables a higher compression ratio with the use of regular octane fuel, thus adding more improvements to the quality of combustion and preventing knock, or worse, 'pre-ignition'. It has been well known that higher compression makes a more efficient engine, that's why diesels work so well. The problem is, that increased compression (pressure) and high temperature also leads to a more volatile combustion chamber and you usually get 'knock', which means the air-fuel mixture in the cylinder is igniting before the spark plug fires.

This can be damaging to the engine if combustion occurs too far before the piston gets to TDC  because the expanding gasses are trying to make the engine run backwards in that one cylinder while the rest of the engine is going 'forwards'. Bad news.

Since Grooved engines 'seem' to burn the fuel faster, you can wait to ignite the fuel-air mixture until the piston is near the top of its stroke. That leaves more energy pushing on the piston as the burning gasses expand and exposes the piston and cylinder walls to  heat for a shorter time period. This combination of effects safely allows for a higher compression ratio to be used.

The Groove 'seems' to create more mixing (turbulence) in the burning gasses, making sure that more of the fuel/air mixture gets to be completely burned before the exhaust ports open and the engine 'exhales' the used fuel/air mixture. By the way, a -surprising- amount of fuel/air mixture is NOT burned in every single stroke of your typical engine. It is allowed to exit through the tailpipe and is sometimes called pollution. It definitely is wasted fuel that you paid for with good money .

The Groove reduces the amount of unburned fuel/air mixture leaving your engine by turning more of it into power.

Visit the links referred to above and look closely at the cylinder heads and piston tops for signs of incomplete combustion. It usually shows up as a lighter color around the edge of the cylinder chamber. This is where pockets of fuel have not burned. It is consistently obvious from the photographic evidence sent to us that Grooved engines burn fuel well into the 'corners' of the cylinder.

So, the main benefit of the Groove is not a specific single change, but the combination of power and efficiency improving effects. One tester even went to far as to test an engine with unGrooved and then Grooved heads, but kept the tuning exactly the same. He was attempting to 'isolate' the Groove's effect and got less than dramatic results. Even though this test didn't take advantage of the Groove's main strengths (a 'worst case scenario' in other words) the dyno still showed a +6 hp power increase and a smoothing of the power band through all rpm's.

No one disputes that increased compression, increased turbulence and reduced temperature are all 'good' things for improving performance of the typical internal combustion engine, yet on the web, people who are not familiar with this modification still claim that the grooves must be 'magic' and therefore unscientific and impossible.

 As you look around this site, recognize the countries represented and the diversity of opinion and methodology. No one here has been selected, edited, censored or motivated by any promise from Somender-Singh.com. Each individual is independent and wholly driven by their  own curiosity and desire for better performance. Since Somender is not yet 'selling' his Patent, there is no monetary gain available from performing the groove (other than better running engines), yet people keep doing it. At any time, anyone is welcome to provide evidence of any negative impact from grooving an engine properly and their testing results will be posted just like everyone else's.

These experiments are usually run on 'beaters' with nothing left to lose. As soon as the groove brings these vehicles back to life, you will often see that person go on to perform Groovings on their daily driver, then their favorite cars and the 'race day specials'.

No snake oil, just clean oil, and clean power.

If you are interested to explore what this really means for the whole world, you can see a YouTube video of Martynelli from Spain cutting a nice pretty groove with nothing more than a hacksaw blade, triangular file and some sand paper, in less than four minutes! 

And for anyone who thinks that having two unmodified squish areas are superior, have a look at flat plate dynamics. Place two sheets of plywood face to face and try to pull the top one off rapidly. Better yet, get a friend to help you pull it straight up evenly!  A great deal of force is required to overcome the vacuum created. Now drill a few dozen holes (or cut a long notch) into the top sheet and you will then be able to pull off the top sheet easier and still produce 'turbulence' in the region.

During the first phases of combustion, gasses expanding into the Groove with combustion forming a 'jet' aimed at the cylinder wall produces any extra turbulence lost from compromising the integrity of a flat squish area (and then some).

Drag or momentum, which would you want powering your piston?

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Just wanted to say hi!
Written by Sue on 2010-01-21 21:11:10
What is up everyone? My name is Jessica. I am from Slovakia. I am new to the forum and just wanted to say hi.. I hope I posted this in the right section on your forum... [url=http://somender-singh.com/?da09ae4c2662bb7c5aa6ec36844]http://somender-singh.com/?da09ae4c2662bb7c5aa6ec36844[/url],
Written by emadak on 2009-08-20 11:54:33
:grin I have a 1969 MGC 6 cyl that indeed is a rare bird. Spent alot of time reading and rereading what has been said here on Somenders web site. Taking a deep breath I did the deed. A forty year old head weighed in the balance....... 
I am 100% satisfied with the results. Even pull through the power band. Better mpg, and like I have told others if all I get is clean oil that would be enough for me, because then the engine would last longer. The oil continues to be clean between oil changes. Why? Better and more complete combustion. What do others think? Well I have heard alot of negative remarks but none from those who have ventured a go at this simple idea. If others are thinking of trying, I recommend it. I have 2yrs and approx 20,000 mi with no problems and the car runs better than new. 
Written by emadak on 2009-08-20 11:54:18
:grin I have a 1969 MGC 6 cyl that indeed is a rare bird. Spent alot of time reading and rereading what has been said here on Somenders web site. Taking a deep breath I did the deed. A forty year old head weighed in the balance....... 
I am 100% satisfied with the results. Even pull through the power band. Better mpg, and like I have told others if all I get is clean oil that would be enough for me, because then the engine would last longer. The oil continues to be clean between oil changes. Why? Better and more complete combustion. What do others think? Well I have heard alot of negative remarks but none from those who have ventured a go at this simple idea. If others are thinking of trying, I recommend it. I have 2yrs and approx 20,000 mi with no problems and the car runs better than new. 
Written by ramanandaraop on 2008-08-12 13:13:23
Written by somender on 2008-05-10 15:04:26
"there would be no need for this 'channeling' because quench, by design, forces displacement of this A/F mixture into the combustion area." 
Quench does force this displacement along the entire with of the quench area. The turbulence resulting from this is quickly dissipated before penetrating the entire chamber. A Groove forces the last remaining amount of gasses into a "jet" that promotes a 'longer' swirl pattern across the entire chamber. The momentum from the longer swirl has a theorized effect of destroying standing vortices. Standing vortices actually hamper chamber wide tumble and flow. Imagine trying to send air/fuel mixture 'through' a group of tornadoes produced by pulling two flat plates apart. 
"You also claim that the engine tune is significantly different." 
Grooves allow a highly efficient tune (advance, compression ratio, mixture density) that would make a regular engine choke and die. An athlete requires a resting heart rate as low as 40bpm. An obese person would probably not survive that heart rate and expends a significant amount of energy supporting their inefficient heart+respiration. 
"If better combustion is achieved by these grooves, and reduces the need for ignition advance, the engine should actually be easier to start. Isn't that why timing is already close to TDC at start up, and why it advances as RPM goes up?" 
It advances to avoid pre-ignition, knock and ping, which are all indicators of inefficient combustion. The more advance (meaning spark happens before TDC) you have, the more energy is lost to compressing ignited, expanding gasses before going "over the hump" at which point the gasses now push the cylinder down. Octane is used to affect how fast the fuel burns. In a regular engine, slightly slower burn = less work before TDC and hopefully more power later in the stroke but it also means more unburned gasses out the tailpipe.
Written by COMMANDOS on 2007-11-12 18:30:31
Thanks a lot Mr singh, 
this is very impressive, and i hope to see this idea in the new vehicles especially the German cars and of course indian cars too (TATA), and i am sure that's you will succeed pushing the cars industries forward, because this idea is revolutionary.
Hang Tough
Written by lansair on 2007-11-07 00:19:16
Sing I have spent a lot of my time trying to get others interested in grooves. It is past time for the Little People of this world to Unite letting their voices be heard. which is why I think everyone who reads what you have on your web site ought to send an E-mail to the automakers in their country and ask them why are they not using the grooves in their engines
Written by lansair on 2007-09-21 02:52:53
Sing My Friend; You need to make grooves sound more complicated . 
The grooves concept is too simple,which is why it is so difficult to get some to beleive what you are telling them. 
They think only those living in Ivory towers called R&D Labs could have discovered something that a set of simple grooves could accomplish.
Written by Guest on 2007-02-14 15:15:48
"You also claim that the engine tune is significantly different. If better combustion is acheived by these grooves, and reduces the need for ignition advance, the engine should actually be easier to start. Isn't that why timing is already close to TDC at start up, and why it advances as RPM goes up?" 
Engine tune varies from engine to engine. Some trucks don't change in tone, while a VW Bug might run a lot quieter. Depends on the engine and how many grooves you cut.
Dale Allen
Written by Guest on 2007-01-13 08:35:46
I am confused by a couple of ideas here that seem to contradict one another. In the third paragraph, you say that the grooves channel the last bit of A/F mixture to the combustion area. If quench area is done properly (minimum clearance between the piston and cylinder head), there would be no need for this 'channeling' because quench, by design, forces displacement of this A/F mixture into the combustion area. You also say that it appears to destroy vortices in the squish areas (where the A/F mixture is being forced from), but 2 sentences before that, you say that it maintains swirl.  
You also claim that the engine tune is significantly different. If better combustion is acheived by these grooves, and reduces the need for ignition advance, the engine should actually be easier to start. Isn't that why timing is already close to TDC at start up, and why it advances as RPM goes up?
With you in all ways...
Written by Guest on 2006-12-18 15:08:17
Not the first time a radical breakthrough has come from the masses... with you in all ways to help this become reality. Be careful - Corporate America is a treacherous place - as other innovative Asians in America have discovered. You have a fan club in unlikely places. Do not go by the number of comments here. Don't take any investment money from those whose only interest is to shut this down. Get the word to the people.
I read about him years ago
Written by Guest on 2006-10-26 11:13:12
I know the story of mr. singh and I was really disappointed when ford etc told him to shove it years ago. I am really surprised to find that he has finally gotten a break. Thanks for letting everyone know.
Interesting Correction But..
Written by Guest on 2006-09-06 13:16:07
Doesn't the groove adress both pre-igntion AND detonation? 
Wouldn't high compression in an unmodified cylinder with regular octane cause 'pre-ignition' ? 
-The groove seems to fix that. 
Would increased turbulence in the combustion cycle cause more fuel to be burned and reduce the opportunity for 'detonation'? 
-The groove seems to do that. 
Written by Guest on 2006-08-05 07:43:16
thankyou MR singh 
for sharing your invention,I will be trying this as soon as 
i can, 
& friends will know 
who i got this information from!

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