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2650 is with me in it as it sits on the line. Maybe I should mention these are small chamber W5's with double quench pads, .032 piston to head.



At .032 piston to head you are risking having the piston hit the head at upper RPM's... .038 clearence is as tight as I would set it up at. Good luck! My 11.to 1 410 with edelbrock heads and 600 lift solid lifter cam ran 10.08 at 131, race weight 3134 #s



My old engine was .027 piston to head. 7500 rpm and more without a problem.

"Follow me the wise man said, but he walked behind"


'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.