2014 camaro Z/28

UNKNOWN_370 · 03-27-2013, 07:27 PM

Quote:

Originally Posted by speedfreek

Only issue with going FI on the new Z28 is the use of the LS7. This could prove to be problematic if you are not happy with its NA numbers. The LS7 has thin cylinder walls and high compression. Not good at all for boost since they are prone to blowing up stock. There is a reason why they supercharged an LS3 and called it an LS9 and put it in the ZR1.

This is the first I hear of Z06's blowing engines???

StangerGT · 03-27-2013, 07:29 PM

Quote:

Originally Posted by UNKNOWN_370

This is the first I hear of Z06's blowing engines???

Many reputable sites have Superchargers for sale as well...

ImportConvert · 03-27-2013, 08:18 PM

Quote:

Originally Posted by UNKNOWN_370

This is the first I hear of Z06's blowing engines???

I forget what it was, but the valve guides or stems or something on some LS7's were out of spec and they were snapping valves. GM traced the problem back and fixed it. This was a rare (by the numbers)---but legit issue.

speedfreek · 03-27-2013, 09:27 PM

Quote:

Originally Posted by StangerGT

I lol at this...

as Livernois is modifying a friends z06 with a N/A package expected to net 630 rwhp...

Quote:

Originally Posted by StangerGT

Many reputable sites have Superchargers for sale as well...

Didn't say they weren't all I stated was that the LS7s had issues early on. I am sure you can build the engine for boost. There are builds with 700-800 rwhp with no issues reported.

Quote:

Originally Posted by ImportConvert

I forget what it was, but the valve guides or stems or something on some LS7's were out of spec and they were snapping valves. GM traced the problem back and fixed it. This was a rare (by the numbers)---but legit issue.

This is what I was talking about. It was an issue with the LS7 early on. Given over the years of development I would hope the primary issues have been fixed. Still there is a reason why they chose to supercharge the LS3 for the ZR1 and not the LS7 due to it having thinner cylinder walls. Reliablity issues.

I wasn't trying to get this off topic was just replying to boosting it. I like the direction Chevy is going with the Camaro similar to what Ford has done with the Mustang. For the track I would go with this Z28. It's going to get even better when they get to the ATS chassis. Even lighter weight.

StangerGT · 03-28-2013, 09:19 AM

Quote:

Originally Posted by speedfreek

Didn't say they weren't all I stated was that the LS7s had issues early on. I am sure you can build the engine for boost. There are builds with 700-800 rwhp with no issues reported.

This is what I was talking about. It was an issue with the LS7 early on. Given over the years of development I would hope the primary issues have been fixed. Still there is a reason why they chose to supercharge the LS3 for the ZR1 and not the LS7 due to it having thinner cylinder walls. Reliablity issues.

I wasn't trying to get this off topic was just replying to boosting it. I like the direction Chevy is going with the Camaro similar to what Ford has done with the Mustang. For the track I would go with this Z28. It's going to get even better when they get to the ATS chassis. Even lighter weight.

The LS7 is probubly the best option for track use. An N/A setup is reliable and doesnt produce the same kind of heat. which is probubly why they stuck it in the z28. And if i recall the VQ motor had its issues early on as well...

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