then i build a stroker or something 
rev limiter ?'s
rev limiter ?'s hey all , doing a cam swap and wondering what i should have my rev limiter set at. M6, stock shortblock, Crane 234/242 (same specs as GM847) 918 springs, magnum 1.6rr's, will have hardened pushrods, LS7 lifters. the cam recommends spinning 6400+, so what is a safe rev limit for my engine??
5800 ...
As mentioned above, 6400 is generally accepted as a good balance between risk and benefit.
I kept my H/C 350's shift points just below 6400 and a limiter at 6800 without issue,
when I tore the motor down to build a 383 everything seemed to be in good shape.
If you're going to run that cam, you might consider saving up for a bottom end that can handle a little more RPM.
Maybe a nice 355 rebuild for next winter?
As mentioned above, 6400 is generally accepted as a good balance between risk and benefit.
I kept my H/C 350's shift points just below 6400 and a limiter at 6800 without issue,
when I tore the motor down to build a 383 everything seemed to be in good shape.
If you're going to run that cam, you might consider saving up for a bottom end that can handle a little more RPM.
Maybe a nice 355 rebuild for next winter?
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All this 6400 RPM stuff is nonsense. Can someone post an actual failure that was directly related to high rpms?
Rev it where it wants to be revved. No sense installing a cam like that and neutering it by not being willing to shift it high enough.
Get it on the track and play with the shifts points until you stop gaining trap speed.
Rev it where it wants to be revved. No sense installing a cam like that and neutering it by not being willing to shift it high enough.
Get it on the track and play with the shifts points until you stop gaining trap speed.
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Verdad Gallardo if i redo the bottom end its gonna be matched with some AI or LE heads and cam, was just trying to see what i could do with the setup i have now. ill for sure be pushing it alot harder at the end of the season this year.
All this 6400 RPM stuff is nonsense. Can someone post an actual failure that was directly related to high rpms?
Rev it where it wants to be revved. No sense installing a cam like that and neutering it by not being willing to shift it high enough.
Get it on the track and play with the shifts points until you stop gaining trap speed.
Rev it where it wants to be revved. No sense installing a cam like that and neutering it by not being willing to shift it high enough.
Get it on the track and play with the shifts points until you stop gaining trap speed.
stock heads Ported ,polished and Milled, with 5 angle valve job. intake ported and polished, TB ported and polished. other mods in sig. all head work and stuff done by Automotive Engine Specialties in chicago
With a stock cam? i would like to see the sheet with something showing the cam specs, the stock cam stops making power at 5600rpm so i would love to see one that still making power at 6000-6200