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Thread: 6.0 heads question
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09-02-2006, 03:05 PM #1
6.0 heads question
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hi i have a 2002 ws6 trans am with a sts turbo system
im am putting LQ9 heads on it to lower my compession, does any1 know what it will lower to? does it add or loose horse power? will my stock valve covers and rockers fit on there?
please tell all that can help?
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09-02-2006, 06:17 PM #2
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09-02-2006, 06:33 PM #3
- Join Date
- Aug 1999
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- Arizona
- Posts
- 51,363
Black- 383 Procharged & N20 Vert
You will probably run about 9.5 to 1
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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09-03-2006, 04:47 AM #4
with the lower compression what boost u think it can hanldle with stock bottom end and hp, 8lbs safely? 9 lbs safley?
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09-03-2006, 05:45 AM #5
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- Aug 2005
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- Retired Outlaw Sum Bitch
You'll be around 9.5-1...bottom end will take 7-8lbs of boost ...but the real question is for how long....
http://www.ls1.com/forums/showpost.p...51&postcount=2This is my signature. It is mine. Nobody else has one like it.
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09-23-2006, 04:56 AM #6
- Join Date
- Sep 2005
- Location
- NY
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navy blue metallic- 1999 WS6 trans am
I have some ported 6.0 heads for sale in the "parts for sale/trade" that will drop compression to about 9.0 to 1.
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