Is 10.5:1 compression too high?
#1
Thread Starter
Joined: Dec 2010
Posts: 5,235
Likes: 4
From: Las Vegas, NV
I'm currently sitting at 11.4 compression on a N/A 408 and I'm thinking about adding a turbo. Maybe an S480 but I'm not sure. If I go the FI route, I would send my LS3 heads to Richard at WCCH and get them ported and opened up to 75cc chambers for a 10.5:1 compression change. Is that too high for a daily driver on boost?
I've never played with forced induction before so this is all new to me. Could I run 8-10 lbs saftely with a normal timing curve? Thanks guys
I've never played with forced induction before so this is all new to me. Could I run 8-10 lbs saftely with a normal timing curve? Thanks guys
#6
TECH Regular
iTrader: (2)
Joined: Feb 2004
Posts: 426
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From: 1985
People always say good fuel, but in vegas you really gotta be watching for detonation as the weather changes. I do a lot of checks on the turbo cars as the weather warms up ( if the car doesn't have some sort of guage for monitoring AFR and knock youre kinda askin for it ) Tuning isn't hard but its gotta be done right.
Only takes a second to scan it and check it out. Hope to see the ride around with the Turbo setup!
Only takes a second to scan it and check it out. Hope to see the ride around with the Turbo setup!
#7
Thread Starter
Joined: Dec 2010
Posts: 5,235
Likes: 4
From: Las Vegas, NV
Yea I guess I should have specified that I'm in Vegas. It's gets damn hot here. With 10.5 compression, I was worried about the IAT's and timing. That's what I was asking about a normal timing curve.
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#10
Ever hang out with the VegasLSX crowd? Come Check us out. We have another guy who just put a front mount turbo in his 2003 GMC Sierra 5.3.
VegasLSX
We meet at Town Square on Friday Nights, 7:30 pm, and at Cars n Coffee on Saturdays at around 8:00am.
See ya,
HRHohio (on this board)
(Bad Z28 on the VegasLSX board)






