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Engine Mod: Grooving aka Singh Groove

H

haen

Super Veteran
question : i understand the idea is to direct and create air jet from the squish pad area.. that way unburned fuel can create chaotic swirl from the 'pit groove'.. why only 2 ? not on each sides of the squish pad ? the largest area is near the inlet valve.. can we make it 2 ?
 
traxxas-modifier

traxxas-modifier

Super LOLO
Staff member
haen said:
question : i understand the idea is to direct and create air jet from the squish pad area.. that way unburned fuel can create chaotic swirl from the 'pit groove'.. why only 2 ? not on each sides of the squish pad ? the largest area is near the inlet valve.. can we make it 2 ?
Click to expand...
as mr singh says, for 4stroke motorcycles. 1 grooves on each side is more than enough. from the pics, the intake valves with biggest space with one groove is more lets the eagle fly properly ;) heheh

but again, its really up to you if you want to try two grooves
 
wvlfonlus

wvlfonlus

New Member
nice work guys,i ll do this inmy next head job,..........hehehe can someone point where i can find 61 mm pistion kit
 
traxxas-modifier

traxxas-modifier

Super LOLO
Staff member
just reviving this thread...

i found this latest pics of mr somender singh himself doing the groove
for a 4valve cylinder head. Which can be applied in t135 head.

singhgroove_4valves4_113.jpg
singhgroove_4valves1_144.jpg

singhgroove_4valves2_390.jpg

singhgroove_4valves3_618.jpg
 
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