PRC 5.3L 2.5's, custom grind & Bolt-ons
07-22-2008, 07:19 AM
#1
PRC 5.3L 2.5's, custom grind & Bolt-ons Car is a 2000 SS M6 77k miles. After the H/C swap the car made 436rwhp/395rwtq (SAE).
Mods: Flowtech LT's, ORY, SLP LM1, SLP U/P, Typhoon 85mm intake & 85mm TB, 160* t-stat, MTI Lid w/ SSRA, 3.90 gears, Spec 3+.
Custom 230/236 xfi/xer .613/.601 112+3, and PRC stage 2.5 5.3L heads.
I will post a dyno graph as soon as can get my scanner to work.
Mods: Flowtech LT's, ORY, SLP LM1, SLP U/P, Typhoon 85mm intake & 85mm TB, 160* t-stat, MTI Lid w/ SSRA, 3.90 gears, Spec 3+.
Custom 230/236 xfi/xer .613/.601 112+3, and PRC stage 2.5 5.3L heads.
I will post a dyno graph as soon as can get my scanner to work.
Last edited by BarneyMobile; 07-22-2008 at 09:02 AM.
07-22-2008, 07:56 AM
#3
Strong numbers. Look forward to seeing your graph.
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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
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
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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
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
07-22-2008, 12:18 PM
#5
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He made 200rwhp/345rwtq at 3k. The engine peaked at 436@6400 rpm. Torque curve is very flat. If he didn't have those heavy 315s and about 150lbs in his trunk it would have definitely hit 440+rwtq but we weren't going for that inflated dyno number. This was in 95* heat as well even though it shouldn't make any difference in SAE numbers.
07-22-2008, 12:20 PM
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07-22-2008, 03:41 PM
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Another Typhoon 85mm intake car making low #'s sorry i hate that heavy heat soaking intake. looks good but that about it. I bet you would be about the same with a ls6 intake and 40lbs lighter
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07-22-2008, 06:20 PM
#8
I dont think it dyno'ed low at all. I think 436rwhp is respectable, I could see if I had a set of AFR's or TFS heads, then that would be a low dyno # but this was a budget minded build. I got typhoon intake from a friend for a cheap price, cheaper than a used LS6 intake. The heat soak didnt seem to effect the dyno numbers seeing how all the pulls were very close to eachother.
07-22-2008, 06:42 PM
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Those same heads i have put in a few cars with cams smaller then yours the T2 cam and one auto car did 444whp/398trq on a mustang dyno and the m6 cars did anywhere from 450-460whp. Waiting on 2 other cars with same setup but with MS3 cam to dyno do i can get results on those 2 cars. Maybe it was the heat? How hot was it when you dynoed it? and who tuned it?
07-22-2008, 09:07 PM
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still 40lbs put is ee tomany people driping on the track after a ice down the mustang guys. Pluse who wanta to worry about bringing ice. Only right way to cool it off is nitrous.
