AFR 205cc 346" Z06 501.3 rwhp, 454 rwtq!
11-06-2004, 05:16 PM
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AFR 205cc 346" Z06 501.3 rwhp, 454 rwtq! Just got off the dyno here at LeToy Motorsport, Bakersfield, CA.
02 Z06 that A&A Corvette did (see post 490 rwhp afr car in this section)
Car just put down 501.3 rwhp, 454 rwtq! Ive never seen an 346" ls1 car on my dyno do ANYTHING like this before. I think ive had more doubts that anyone about AFR heads until now. I think we have the most conservative dyno around and I expected 475-480 rwhp out of it after it made 490 rwhp at LAPD and A&A
02 Z06
AFR 205cc
490rwhp/443rwtq
234/238 .598/.605 111lsa 109 ICL
11.2:1
Fast 90mm Intake
90mm TB
LG pro long tubes
Only changes are it is has 17" Z06 wheels /w 17" ET Streets on the back (This is the exact way the car runs at the track, no dyno tricks)
02 Z06 that A&A Corvette did (see post 490 rwhp afr car in this section)
Car just put down 501.3 rwhp, 454 rwtq! Ive never seen an 346" ls1 car on my dyno do ANYTHING like this before. I think ive had more doubts that anyone about AFR heads until now. I think we have the most conservative dyno around and I expected 475-480 rwhp out of it after it made 490 rwhp at LAPD and A&A
02 Z06
AFR 205cc
490rwhp/443rwtq
234/238 .598/.605 111lsa 109 ICL
11.2:1
Fast 90mm Intake
90mm TB
LG pro long tubes
Only changes are it is has 17" Z06 wheels /w 17" ET Streets on the back (This is the exact way the car runs at the track, no dyno tricks)
11-06-2004, 05:23 PM
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Very nice numbers........I have a question and I apologize that it's off-topic. In your sig it says you have a 408 with 8.2:1 compression. How come it's so low since you're not running boost?
That's awesome! Any idea if he had to flycut?
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11-07-2004, 06:44 PM
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Originally Posted by niphilli
Any changes to the setup after the pull at A&A?
before the car was built we saw 11 rwhp gain with the 17's with slicks over the 18's
11-07-2004, 06:45 PM
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Originally Posted by Brian2001SS
That is alot of power for a mid cammed stock ci motor. I for one don't believe it. But I have been wrong before.
11-07-2004, 08:51 PM
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AFR makes a hell of a head seen them at the sema show. I'm wondering how the 225 mongoose heads would do on a 346. The wheels are rolling for a winter up grade 
. 225 mongoose heads + bigger cam + 90 mill fast intake= big power for a heads and cam car.
. 225 mongoose heads + bigger cam + 90 mill fast intake= big power for a heads and cam car.
11-08-2004, 12:05 AM
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Originally Posted by Josh
Not trying to clog up the post, I'm just really curious if he had to flycut for the cam to fit.
Josh
Josh
I'm not sure of the pushrod length, believe it is stock; it has a Crane kit with roller rockers, hardened pushrods, retainers, studs, guideplates, Comp 921 springs, Comp R lifters. ARP head studs, Cometic .040 gaskets, heads milled to 60cc chambers, underdrive pulleys,Mezziere EWP, Fast 90 intake port matched to heads, N. Williams 90mm TB, LG lt, heads are stock except for hollow stem intake valves (and previously mentioned items), Halltech Trap, Comp XER cam 234/238 .598/.605 111LSA 109ICL, LS1 Edit, no stone unturned. Sorry, I forgot the 36lb. injectors.
Last edited by Amerkin; 11-08-2004 at 08:25 PM. Reason: I forgot something on the list
11-08-2004, 08:21 PM
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Originally Posted by SDC
454rwtq? Are you ******* kidding me? At what RPM? Graph?
Max hp just under 6500, carrying strong to 7000 where I shift. This cam/head combo is doing exactly what Tony M. thought it would. I think he might be on to something. 