408 w/ 241's
A 75 hp gain is a lot from a cam/intake/header swap. It will be interesting to see if you can back these numbers up on a different dyno. If you can, then you have found the magical combination of all your parts working together. In this case, the custom cam was a good route to take.
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2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2022 Cadillac Escalade 6.2L A10 S&B CAI, Corsa catback.
2023 Corvette 3LT Z51 soon to be modified.
Custom LSX tuning in person or via email press here.
Here it is. There is also a print out of the numbers every 100 rpm upto 7k w/ afr. I gave up posting it for now. If I can figure out how to shrink it I will post it later.
Last edited by shift123; Apr 7, 2008 at 09:02 PM.
I bought the car with the 408 in it. I added the FAST intake and Patrick G spec cam. It originally had a BBK and Torquer 2. The previoius owner had it dynoed on a Dyno jet through open y pipe and put down 465/482 through 10 bolt. In addition to intake and cam I added 9" w/ 4.11's and TSP true duals. The 408 has Eagle crank and h beam rods along w/ Wiseco pistons. The heads were ported in house by previous owner and FAST 90 was ported by the person I just bought it from on here. As far as Pacesetters being better than FLP's I dont know.
I bought the car from 5ltrBetr. I believe he was in Kernersville, NC. It did not work out to long. Picked up on Monday from tuner and took to track on Tuesday and dropped oil pressure on 2nd pass. Limped home and found neat shiney stuff in the oil . Now in the process of pulling motor and starting over again.
its been through since I had it, and changed hands a couple of times. I had a texas giant cam in it when I had it. Shouldn't have sold it...but at the time I wanted to go turbo. So I sold the motor to him.
Did it just kill the bearings? or do you know yet?
Did it just kill the bearings? or do you know yet?
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got motor taken apart and found all mains were bad. Why, I dont know. Caps turning blue in some spots. The rods looked good. Some metal got into the bearings from mains going but not bad. Oil starvation, bad build, high miles, too many rpms?????? When I took it to the track I was spinning to 7000.
Did you ever find out what was wrong with it? When I went through the motor after buying it from 408z28, I replaced all the main bearings. I don't know why they would be worn that much. I am surprised to see 7000 though from a 408. Is it possible it's just too many rpm's for those cubes? I can see a 346 spinning that much. I hate that you had trouble with it.
Very nice graph shift123, I see you are in Indianapolis, what side of town? Is that a firebird or a camaro? I'll have to watch for you on the street, you'll own me 
400 ft. lb's at 3K rpm lol nice.
400 ft. lb's at 3K rpm lol nice. 