toytech Posted May 3, 2010 Report Share Posted May 3, 2010 what is the min clearance between the top of the piston and the dome that is safe on a 4mill crank stock cylinder motor ? Quote Link to comment Share on other sites More sharing options...
SAVAGE420 Posted May 3, 2010 Report Share Posted May 3, 2010 If your looking for squish clearance numbers, then somewhere between .042-052 ish is fine. Quote Link to comment Share on other sites More sharing options...
toytech Posted May 3, 2010 Author Report Share Posted May 3, 2010 If your looking for squish clearance numbers, then somewhere between .042-052 ish is fine. thanks Quote Link to comment Share on other sites More sharing options...
dirtydownunder Posted May 4, 2010 Report Share Posted May 4, 2010 even as low as .035" Quote Link to comment Share on other sites More sharing options...
strokersquid Posted May 4, 2010 Report Share Posted May 4, 2010 would that work with pump gas ? we only have 91 here in Ca Quote Link to comment Share on other sites More sharing options...
toytech Posted May 4, 2010 Author Report Share Posted May 4, 2010 (edited) would that work with pump gas ? we only have 91 here in Ca if compression is over 150 wich it should be, no anything over that needs race fuel Edited May 4, 2010 by toytech Quote Link to comment Share on other sites More sharing options...
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