# Singh Grooves in Cylinder Head

**URL:** <https://forums.speedlife.net/t/singh-grooves-in-cylinder-head/198819>\
**Category:** PittSpeed Automotive\
**Created:** [July 31, 2008, 3:31pm UTC](https://forums.speedlife.net/t/singh-grooves-in-cylinder-head/198819 "2008-07-31T15:31:24Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![yamaha](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/yamaha/32/5929_2.png) [@yamaha](https://forums.speedlife.net/u/yamaha)\
**Post date:** [July 31, 2008, 3:31pm UTC](https://forums.speedlife.net/t/singh-grooves-in-cylinder-head/198819/1 "2008-07-31T15:31:24Z")

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Why? How about 4-500 degree lower EGTs, reduced fuel consumption, reduced fouling of crankcase oil, reduced potential for detonation, improved torque, and (amazingly) even a race engine can idle at 500RPM w/ just this mod. Google it.

My question, has anyone ever had this done to a head?