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918 w/ls6 retainers?

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Old 02-21-2006, 05:02 PM
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Default 918 w/ls6 retainers?

I have ls6 springs on my heads right now and was wondering if the 918s will
be a direct bolt in,since they are both beehive springs will it work?
Old 02-21-2006, 05:34 PM
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Originally Posted by spanktu
I have ls6 springs on my heads right now and was wondering if the 918s will
be a direct bolt in,since they are both beehive springs will it work?
The installed heights are the same, the factory retainers will work with the 918 springs, you will have 145lbs of close spring pressure compared to about 95lbs with the factory springs your open rate will be around 335 with the 918's compared to 285 with the factory springs.
The factory spring pressure numbers I'm quoting are approximant. Yes the 918's should set up in place of your factory LS6 springs.
Old 02-21-2006, 05:40 PM
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They will work just fine.

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Old 02-22-2006, 08:49 AM
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will the 918's work with factory LQ9 valvetrain? Anyone know the factory specs for those verses what I'd have with the 918's?

(I'm replacing the stock LS1 heads with the LQ9's to drop the CR on my STS car. If I change the cam, it will be a to a small, very, very, very streetable cam. I want the boost to make the car wild when i want and the cam to keep it mild when i don't.)
Old 02-22-2006, 09:04 AM
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They will work, but if I were you I would get some hardened pushrods atleast.
Old 02-22-2006, 09:24 AM
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i'm actually looking into buying a cam "package" at this point. Hopefully, the I can find a deal on a package that'll include everything I need (cam, pushrods, springs, retainers, etc)

I only plan on revving this motor to 62-6300 as it'll have a completely stock bottom end. it'll see 10-12psi, 9.6-9.7:1 CR (swapping to stock 6.0L heads), running on pump gas... shooting for 600rw at this level.
Old 02-22-2006, 09:47 AM
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What size cam were you looking at going with?
Old 02-22-2006, 10:12 AM
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Are LS6 retainers lighter than LS1 retainers?
Old 02-22-2006, 11:53 AM
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Originally Posted by Jesse_Boyer
i'm actually looking into buying a cam "package" at this point. Hopefully, the I can find a deal on a package that'll include everything I need (cam, pushrods, springs, retainers, etc)

I only plan on revving this motor to 62-6300 as it'll have a completely stock bottom end. it'll see 10-12psi, 9.6-9.7:1 CR (swapping to stock 6.0L heads), running on pump gas... shooting for 600rw at this level.
Give us a call, we can help you out with a package deal, ask for Harold.
www.PortPros.com
Old 02-22-2006, 11:11 PM
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Harold at Port Pros has been nothing but helpful in assisting me with my setup. Give them a call!
Old 02-23-2006, 10:40 AM
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I was planning the same thing and then got a great deal on a set of ported heads so I have a set of ls6 retainers (used) and 918 springs (new in box). I dont need them anymore and will let the set go for $175.

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