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Hey Z1. ETA on those headers?

Originally Posted by SPOHN I thought I had it down pat. But I was wrong. I was mislead on purpose I believe. You want to make power out of the

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Old 09-27-2013, 07:27 AM   #1 (permalink)
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I thought I had it down pat. But I was wrong. I was mislead on purpose I believe. You want to make power out of the intake. Take it off. Turn it upside down. Inside you will see some squares/ outlines inside the intake track. That section needs to be ported and smoothed out.
I have a spare intake and I am planning on investigating having the plenum and runners modified to increase flow on the top end. My last dyno definitely points to a plain and simple flow limit.
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Old 10-13-2013, 09:37 PM   #2 (permalink)
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I have a spare intake and I am planning on investigating having the plenum and runners modified to increase flow on the top end. My last dyno definitely points to a plain and simple flow limit.
You want these .................... but will only fit with the HR head conversion ...

Nissan VQ 3.5L - SF Taper throttle body kit - Jenvey Dynamics

I have these TB on my race car engine with air flowing straight at the inlet valve and they support air-flow to deliver 600hp (NA, @ crank).
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Old 10-13-2013, 09:49 PM   #3 (permalink)
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Originally Posted by BGTV8 View Post
You want these .................... but will only fit with the HR head conversion ...

Nissan VQ 3.5L - SF Taper throttle body kit - Jenvey Dynamics

I have these TB on my race car engine with air flowing straight at the inlet valve and they support air-flow to deliver 600hp (NA, @ crank).
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