https://norfolk.craigslis/d/chesapeake-1969-plymouth-roadrunner/7256045093.html
did not know Mopar has a rock crusher 4 spd and 411 posi 
not mine FS 69 satellite
- Thread starter davek
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Probably has a 3/4 cam too
Don't laugh!
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@Jerry Hall
I'm going to take a wild guess and say "3/4" cams got their name from a .750" lift? Like I said...WAG. I don't even know if there are any cams with that much lift.
Talk to me forum!
I have always heard as a 3/4 race cam. So is there a 1/2 race cam?
Roco &
I have no idea of lift, duration, or makers. They were offered as 3/4 or full race in the 50's & 60's.@Jerry Hall
I'm going to take a wild guess and say "3/4" cams got their name from a .750" lift? Like I said...WAG. I don't even know if there are any cams with that much lift.
Talk to me forum!
wagonwedge330
Well-Known Member
The 3/4 race cam term was born when Hot Rodders began looking for a less radical version of a “full race” camshaft, that performed well for street duty and still be competitive on Sunday at the strip! The vast majority of Hot Rodder’s drove Flathead equipped Ford’s (until the introduction of the early Hemis), the same old Ford also drove the family to grandmas, mom drove it to pick up groceries at the Red&White, dad drove the car to work and ran it to hell & back on Sunday! This term (I’ve read), is similar to Stage I, Stage II and so on, basics meaning a little less than full race.
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