help..another heads thread. aftermarket only!
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From: San Diego/ from the 316
help..another heads thread. aftermarket only! i know i know... i have searched and found some good info..
i know TFS and AFR are up on the list.
i have talked with Mr. Mamo about some AFR 230s with his port job.. but they come with a pretty price tag..
haven't really looked at the TFS head in the 225 rand much..
the other option i have just recently seen were All Pro. they had a 230 i think is what i seen..
now NO this isn't a make effort pure race build but i am looking to push things to the limit a bit and make GREAT power..
i want a about a 9.5 CR so i want something like a 64cc chamber or even a 62cc.
the cam is a VA speed reverse split 23x/22x cam goin in a forged 347 backed by a built 4l80e and strong IRS..
turbo is a midframe tnetics hp78 with the 75mm f1 turbine and 1.14 ar.
I'm looking to make 900 on kill with meth.. so i want a aftermarket thick deck head so if i need to i can push 25 psi or so..
so what do you guys think AFR is where i am leaning but want to get some info on those All Pros..
ready GO!!
i know TFS and AFR are up on the list.
i have talked with Mr. Mamo about some AFR 230s with his port job.. but they come with a pretty price tag..
haven't really looked at the TFS head in the 225 rand much..
the other option i have just recently seen were All Pro. they had a 230 i think is what i seen..
now NO this isn't a make effort pure race build but i am looking to push things to the limit a bit and make GREAT power..
i want a about a 9.5 CR so i want something like a 64cc chamber or even a 62cc.
the cam is a VA speed reverse split 23x/22x cam goin in a forged 347 backed by a built 4l80e and strong IRS..
turbo is a midframe tnetics hp78 with the 75mm f1 turbine and 1.14 ar.
I'm looking to make 900 on kill with meth.. so i want a aftermarket thick deck head so if i need to i can push 25 psi or so..
so what do you guys think AFR is where i am leaning but want to get some info on those All Pros..
ready GO!!
Remember to factor in the price of roller rockers with the TFS if you don't have a set. That is what tipped the scale in favor of the AFR's for me. I get to use my stock rockers with less worry about valve float.
I have a set of 205 AFRs on top of my 347. They have some hand work done to them but not by Tony. Also running the same VA Speed cam as you. Car runs well and has done 152mph on 14 psi with a 9.6CR on 93 and Meth
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Have you considered a set of L92/LS3/LSA heads and having them worked? They are considerably cheaper, and I have friends that have pushed passed your goals without any issues... If anything, it could be a cheap alternative till you can afford some aftermarket castings...
http://www.youtube.com/watch?v=bjWwHPHxfi0
Ported L92 heads, on a 403 with twin MP76s. Went 9.03 @151... weighs 4500lbs, you do the whp calculation.
http://www.youtube.com/watch?v=bjWwHPHxfi0
Ported L92 heads, on a 403 with twin MP76s. Went 9.03 @151... weighs 4500lbs, you do the whp calculation.
Thread Starter
11 Second Club
iTrader: (11)
Joined: Dec 2008
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From: San Diego/ from the 316
Well I'm looking at the mamo ported heads they are in the price range. I guess I'm tryin to say if I can justify the cost I'm willing to spend it. Depolyment money is nice sometimes
A box stock AFR 225 will support over 1000whp. Look at 98Z28CobraKiller. Honestly you will be limited by 4 bolts/cyl before anything else. They have been pushed past 20psi by several people in that power range with LS9 gaskets and studs. If you O-ringed them you would be even better off.
I look at the All Pro's as being the equivalent of the big port MAST/ETP heads. They are the two top dogs designed for 6 bolt setups trying to rotate the earth. Would they be great to have? Sure. I don't know about you but I can use that extra money in other places to make the car better/faster. I mean, hell, a fully assembled set with Inconel exhaust valves and a set of Jessel's is over $5k. That's more than I spent on my short block.