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Do newer model Z's make more power?

Originally Posted by Spartan 1771 I believe the only difference is the newer models have direct injection. Nope. There is no direct injection in newer models. The VQ37 engines are

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Old 01-07-2019, 11:36 AM   #1 (permalink)
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Default Do newer model Z's make more power?

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Originally Posted by Spartan 1771 View Post
I believe the only difference is the newer models have direct injection.


Nope. There is no direct injection in newer models. The VQ37 engines are essentially the same as they were when introduced in 2009.

I would’ve been extremely surprised if this were actually true. It requires a significant redesign to incorporate direct injection into an engine, basically a new engine.
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Old 01-07-2019, 02:18 PM   #2 (permalink)
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Originally Posted by Cyber370 View Post
Nope. There is no direct injection in newer models. The VQ37 engines are essentially the same as they were when introduced in 2009.

I would’ve been extremely surprised if this were actually true. It requires a significant redesign to incorporate direct injection into an engine, basically a new engine.
Well then I stand corrected. So with that being said, I have zero idea what could possibly account for an increase in WHP?
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Old 01-07-2019, 02:40 PM   #3 (permalink)
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2015+ Headers are a different design. Could be a contributing factor.

2015+ exhaust manifold vs older
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Old 01-07-2019, 02:51 PM   #4 (permalink)
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2015+ Headers are a different design. Could be a contributing factor.

2015+ exhaust manifold vs older
Interesting. Thanks for the info.
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Old 01-07-2019, 10:19 PM   #5 (permalink)
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Originally Posted by JLarson View Post
2015+ Headers are a different design. Could be a contributing factor.

2015+ exhaust manifold vs older
I would like more detail on this. The pics in the references thread weren't the best since one came from a Nismo and the other didn't seem to.
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Old 01-07-2019, 11:42 PM   #6 (permalink)
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I would like more detail on this. The pics in the references thread weren't the best since one came from a Nismo and the other didn't seem to.
The only difference between a Nismo exhaust and the base models. Is the cbe and the pipes from the manifolds back. The manifolds are the same as the heads. The one year, they changed the exhaust stud location for the manifolds.
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