Rpm range and heads

1trickedpony

1trickedpony

Well-Known Member
#1
#1
I was looking around wasting time and saw a listing that my heads are in the range of idle to 5500 rpms. I am pretty sure my new motor will handle more rpms. How is this calculated? Spring rates? Flows rates? Someone school me on this. Maybe I can get the heads worked over while they are off the motor.
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AdirondackFox08

AdirondackFox08

Member Plus
#2
#2
I think it really has more to do with the rest of the combo to see the power range of the heads would be. If the intake and cam had a range from idle to 5500 then that would be a good estimate that's where they will be. What's the rest of your combo, and are you staying with a 302? It would be better to talk to an engine builder or call up Vanstrom Performance and see what Doug thinks.
 
1trickedpony

1trickedpony

Well-Known Member
#3
#3
No I bought a 331. The cam is good to 6500 and my intake as well. I just read that my heads are only good up to 5500... Kind of has me worried as id,be leaving a ton of rpms on the table
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1trickedpony

1trickedpony

Well-Known Member
#5
#5
I had the valve springs upgraded last year because the ones edelbrock put in the estreet heads are garbage. And the new cam will run me up to 6500 rpm I probably would only go to 6000...6200 but I read that and kind of went oh wtf. I think my setup will be pretty solid if that is correct
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G

gripthenboost

Member
#6
#6
i do alot of street racing. Mostly high way pulls, i have a high rpm setup. I cant say too much but i have trickflow street heat heads. The old versons were the exhaust ports are really high. I then had the valves springs changed and the intake and exhaust fully ported. Custom grind cam for what i wanted to do, and i have a 7000 pill in my msd but i have my rev limiter set in my computer for 6700. But i shift and 6500 and it pulls hard as shit. I have stock gears but i have a tremmic t55 trans and it helps me keep up with big turbo cars. As soon as spring breaks im going with 373s and a vortech and i should be alot happier.

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1trickedpony

1trickedpony

Well-Known Member
#7
#7
Wow! Looks damn nice! Yeah I dont "street race" per say but I do mess around with my buddies and other people. I drive the car daily in the summer so I want it to be reliable yet be able to handle to handle me ripping on it.
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