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Thread: Can I run a s/c?
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08-20-2006, 07:53 PM #1
- Join Date
- Aug 2005
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- Rochester, Michigan
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- 8
Red- 2001 SS Camaro
Can I run a s/c?
I've been thinking for a while about get a s/c. I think I've got a problem though, too much compression. i have a set of the Patriot heads with the 59cc chambers. I think that was 11.1:1 c/r. Can I run a s/c with these heads, or am I going to have to get a new set of heads also?
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08-21-2006, 05:33 AM #2
- Join Date
- Aug 1999
- Location
- Arizona
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- 51,363
Black- 383 Procharged & N20 Vert
You can, but you won't be able to run that much boost. Maybe up to 5#. You should get some 6.0L heads and drop the CR.
Black 1999 Blown Convertible A4
Forged 383 | ATI D-1SC
NX MAF Kit | 222/226 .585 115
AS Stage II 6.0L FI Heads
Moser 9" | 3.70 | Wavetrac | 35 Spline | Vigilante 3600
548.0 RWHP - 563.8 RWTQ - 10# - D1
666.0 RWHP - 734.2 RWTQ - 125 Shot - P1
Black 2009 Escalade Hybrid 4WD
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08-21-2006, 08:28 PM #3
I agree with Ed. You can go to a LQ9 (6 liter truck head) with a 71.06 cc chamber, or a LQ4 (also a 6 liter) also with a 71.06 cc chamber, but is cheaper.
The LQ4/9 will drop your compression ratio to approximately 9:1. The LQ4 is considered the "workhorse" head for street/strip turbo and supercharged cars.
The 2001 and newer LQ4's are aluminum. The LQ9 is more expensive, but is virtually identical to the LS6 head with the same improved exhaust and intake ports, but has a larger combustion chamber which is what you need to lower your C/R.Michael
In GA waving from '02 C5 LS1, Z51, D1SC, 60lb injectors,RPM level 5-4L60E, 3:42, Yank 3600, QA1-12 ways, MTI long headers, high flow cats, Borlas, Wilwood, 603rwhp, 542rwtq.(DynoJet 248-C) 10.89@127.57 on street tires, Race Weight 3,640 lbs
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