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Generation III Internal Engine 1997-2006 LS1 | LS6
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Valve Spring Recommendation

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Old 02-25-2013, 11:30 AM
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Default Valve Spring Recommendation
Is .660 lift too much for a GM hotcam?
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Old 02-25-2013, 11:31 AM
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go with one of brian tooleys spring kits. that a very reasonably priced and a great quality product.

Its the spring pressures that you got to worry about, not the lift rating
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Old 02-25-2013, 12:07 PM
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I think you can use LS6 springs with the hot cam. But I'd recommend a high quality beehive since the harmonics are so much better. PSI 1511 or PAC 1518.
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Old 02-25-2013, 10:39 PM
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PAC springs are a great drop in for this type of application. Give us a shout if you have any questions on them.
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Old 02-25-2013, 11:20 PM
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Thanks y'all. Sho-me where are you located I live in southern Illinois about an hour from MO
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Old 02-26-2013, 03:53 PM
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IMO, the LS6 springs are more than enough for the GM Hotcam, but if you want something better then the PAC 1218s($120) would be a great choice. IMO, there's no need to spend more or go with a higher lift valve springs.
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Old 02-27-2013, 09:39 AM
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Thanx man. I'll look into that what sponsors carry them.
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Old 02-27-2013, 10:37 AM
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What do y'all think about Brian Tooley Racing spring kits?
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Old 02-27-2013, 10:46 AM
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Originally Posted by desormeaux05
What do y'all think about Brian Tooley Racing spring kits?
great products prices and support
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Old 02-27-2013, 01:34 PM
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Originally Posted by desormeaux05
What do y'all think about Brian Tooley Racing spring kits?
BTR makes high quality valve springs and I'd normally recommend them, but I'd still think they're overkill with the low lift and mild cam lobe ramp rates of the GM Hotcam.
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Old 02-27-2013, 01:40 PM
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Another vote for the PAC 1518's. I'm running them and have had great success with them.
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Old 02-27-2013, 01:40 PM
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Id agree they may be more than what he needs, but if you have the money to spend they wont hurt anything.
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Old 02-27-2013, 05:35 PM
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Originally Posted by desormeaux05
Is .660 lift too much for a GM hotcam?
Are you wanting a GM hot cam spec but with .660 lift?
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Old 03-01-2013, 02:07 PM
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I already have the gm hotcam installed it came in the car when I purchased it. And thanx Tainted, that's what I needed I know. I'm glad it won't hurt anything.
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