Thread: LS3 - '08 C6
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Old 06-15-2021, 6:56am   #6
JetMechZ16
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Quote:
Originally Posted by StaticCling View Post
I've got a lead on an '08 C6 Base with 6 Speed I am exploring. Pics show the car to be in pretty good shape, 29k total miles. Appears to have a Cat or Axle Back along with some suspension modifications. Car is also local to me, which is good.

Regardless, after reading the last few days about valve spring issues on the LS6, are there any glaring issues with the LS3? Appears to be a pretty bullet proof engine, but if I look at this car, what should I be watching out for?

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Quote:
Originally Posted by datawiz View Post
LS3 is pretty solid. LS7 had the valve dropping issue, hence why I'm about to put my 3rd engine in my '08 Z.
Quote:
Originally Posted by StaticCling View Post
Scared me away from even considering one to be honest. Can this be fixed at all? Or is this an inherent issue? Heads?
Are you two talking about the same thing? The LS6 did have valve spring issues early in it's production. There are multiple threads covering it in the C5 section over there. The LS7 does have valve dropping issues as datawiz stated.

C5 Z06 = LS6

C6 Z06 = LS7 They also made a 427 vert which is LS7
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