cr help!!! .200"x4.04 equals how many cc's?
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cr help!!! .200"x4.04 equals how many cc's?
ok, im doin a rebuild and need help on figuring my cr! i have a 4.04 bore, 58cc heads, 3.75 stroke (385 ci) and flat top pistons, no valve release, and my piston at tdc is .200 in the hole! so if i could figure out how many cc's .200" with a 4.04 bore is i could use that figure as my valve relief and figure my cr with a certain head gasket thickness. does this make sense? lol!
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sound like sbc/lt type build
ur gonna prolly want to run as thin as possible gasket with piston being that deep bore in the hole.
i have always like to kept 0 deck for sbc/lt at least.
and always minimum
+.010 protruding for ls motors
what gasket u plan on running? its not gonna be same as bore of block. has to be bigger.
assuming u were using a theoretical 4.125 bore by .030 compressed gasket: the above engine specs out to around 8.39:1 scr
ur gonna prolly want to run as thin as possible gasket with piston being that deep bore in the hole.
i have always like to kept 0 deck for sbc/lt at least.
and always minimum
+.010 protruding for ls motors
what gasket u plan on running? its not gonna be same as bore of block. has to be bigger.
assuming u were using a theoretical 4.125 bore by .030 compressed gasket: the above engine specs out to around 8.39:1 scr
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ok i think im on the right track,
cylinder volume, http://www.online-calculators.co.uk/...ndervolume.php
convert cubis inches to cc's, http://wiki.answers.com/Q/How_many_c...are_in_1000_cc
cylinder volume, http://www.online-calculators.co.uk/...ndervolume.php
convert cubis inches to cc's, http://wiki.answers.com/Q/How_many_c...are_in_1000_cc
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ok i found this
http://www.csgnetwork.com/compcalc.html
and yea that was my next question, i prolly need to go as thin on a gasket as possible, what the thinest i should go? and yes its a lt build. im plannin on runnin 20+psi of boost,and race gas. im not to familiar with quench!
http://www.csgnetwork.com/compcalc.html
and yea that was my next question, i prolly need to go as thin on a gasket as possible, what the thinest i should go? and yes its a lt build. im plannin on runnin 20+psi of boost,and race gas. im not to familiar with quench!
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#8
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the above calculator is pretty accurate. same numbers i got. i figure my scr and dcr by hand with sheet of paper and calculator. i also figure rod/stroke ratio, quench, amount to mill heads, dcr if have cam card etc. i havent found online calc. yet that has all those features.
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hmm, thanks for the replies, what gasket you recommend? felpro or cometic? also would there be any disadvantage of running the thinnest gasket possible? i just need to figure out my piston to valve!
#10
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prolly thnnest mls u can get. bore doesnt really matter as long as its bigger than 4.04. i dont think u will have too many ptv clearance issues with the piston being that far away at tdc. lol
i always keep at .100 minimum for ptv clearance for both valves
.200 is dam way in there. i dont think ive ever heard anyone going with the piston that deep in the bore.
i always keep at .100 minimum for ptv clearance for both valves
.200 is dam way in there. i dont think ive ever heard anyone going with the piston that deep in the bore.