is there a formula to...
.610 lift = .070 clearence.... shave .030 off your heads and have a smaller gasket (.042 instead of .050)...... so you cut .040 off but i would cut atleast .060-.080 (or be a risk taker and cut .110 on the intake and .120 on the exhaust)
Originally Posted by ramairstyle00
.610 lift = .070 clearence.... shave .030 off your heads and have a smaller gasket (.042 instead of .050)...... so you cut .040 off but i would cut atleast .060-.080 (or be a risk taker and cut .110 on the intake and .120 on the exhaust)
Last edited by pdd; Nov 3, 2004 at 12:26 AM.
Originally Posted by pdd
I have .595 lift so that = .055 clearance? im shaving .036 off the heads for 60cc with a .045 gasket. plus .008 out of the hole ,so that .056 of clearance. am i right?
.595= .085-.036= .039-.005= .034
so you have .034 of valve clearance before you cut. on a safe motor, you want .110 of clearance. soooo.....
.110 - .034= .076 needs to be cut. its very easy and should only take you an evening if everything is pulled and your using the Isky cutters
good luck!
Originally Posted by Beast96Z
There are alot more determining factors than valve lift at .050". You have to consider duration, LSA, and advance to name the comon ones.
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Originally Posted by ramairstyle00
.595= .085-.036= .039-.005= .034
so you have .034 of valve clearance before you cut. on a safe motor, you want .110 of clearance. soooo.....
.110 - .034= .076 needs to be cut. its very easy and should only take you an evening if everything is pulled and your using the Isky cutters
good luck!
so you have .034 of valve clearance before you cut. on a safe motor, you want .110 of clearance. soooo.....
.110 - .034= .076 needs to be cut. its very easy and should only take you an evening if everything is pulled and your using the Isky cutters
good luck!
so- .110-.041=.069
Originally Posted by pdd
shouldn't that be .595= .085-.036=.049-.008=.041??
so- .110-.041=.069
so- .110-.041=.069
that would be .66 needing to be cut out..... aka- do .070 to make it easy. you have .300 meat in the pistons ( i think.... not 100% sure on that as i've not seen it with my own eyes)
Originally Posted by pdd
im confused. wheres the gasket .045 in the math
Originally Posted by Slowhawk
You should forget the math and manually check the clearances,That is the only way you will know for sure.
I would like to know what the max. safe flycut is on a stock piston though if anyone knows off the top of their head.....
I would like to know what the max. safe flycut is on a stock piston though if anyone knows off the top of their head.....[/QUOTE]
I just had a simliar thread and from that and searching the max number seems to be .100
Brandon
I just had a simliar thread and from that and searching the max number seems to be .100
Brandon
Originally Posted by xfactor_pitbulls
I would like to know what the max. safe flycut is on a stock piston though if anyone knows off the top of their head.....
Brandon[/QUOTE]
Hey thanks Brandon!