Stock LS7 springs? - Pontiac G8 Forum: G8 Forums -
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post #1 of 3 (permalink) Old 11-13-2012, 08:09 PM Thread Starter
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Location: Sioux Falls, SD
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Stock LS7 springs?

What pound rating are these? Will they work for cam swaps u think?

Your normal 600whp+ 4dr family car
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post #2 of 3 (permalink) Old 11-13-2012, 09:22 PM
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I used the LS9 springs (i think they are the same) for my cam. Good up to. 580 lift and only $70 at Lingenfelter.

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NEW- 2009 PSM GT- Vararam/ RCR 219/227 cam/ Kooks 1 7/8" LT/ 3" exhaust/ 3200 Yank/ 3.45 gears/ HSW Nitrous/ HPT self-tune

SOLD- 2008 LR G8 GT /
Intake / HPT self-tune / E85 / 160* stat / Kooks mids / Dynomax ST axlebacks / Xpipe / 219/233 Comp Cam

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post #3 of 3 (permalink) Old 11-14-2012, 07:28 AM
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LS7 springs are not right for our heads. The LS7 has longer valves and a taller installed height. 1.96" to our 1.80".

'09 SRM GT. VCM Intake, Saxonpc MAF Screen 5:1, Cortex,1.85 Rockers/105# Springs, JBA shorty's, Solo H/F Cats, Solo Mach Balanced. BMR Sway bars, Superpro strut mounts, Whiteline Rear Subframe Bushing, Mevotech arms. PPV struts/shocks, Tein Springs. MPSS Tires
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