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400 whp on N/A VQ possible?

Originally Posted by austins z How is your build going? Also not sure bigger TB's will be useful when the intake manifold is still necked down to around 60-65mm. Valkyrie

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Old 10-28-2019, 01:05 PM   #1 (permalink)
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How is your build going? Also not sure bigger TB's will be useful when the intake manifold is still necked down to around 60-65mm. Valkyrie guys tested bigger throttle bodies on stock manifold and it moved the power on the curve, didn't add any.



Also, with this dead thread revival, a few NA builds are supposed to go on the rollers in the coming weeks shooting for high 300's. My time attack build will be following these footsteps. Cammed, high compression, 8k build, stay tuned! MAKE VQ'S GREAT AGAIN!
Valkyrie has just gone to buying Jim Wolf built long block motors. They make 400 whp.

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Old 10-29-2019, 08:14 AM   #2 (permalink)
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Valkyrie has just gone to buying Jim Wolf built long block motors. They make 400 whp.

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True but that's with doing the HR head swap. It seems easy to get to the 400whp mark with HR heads just expensive currently and not very well documented. One of my other buddies that is basically going down the same route I am just made 370whp/300tq yesterday without a tune to adjust and dial in for the cams/pistions/headers set up. Hes hoping to be close to 400 after the tune. Also be on the look out for MotoIQ. They are doing a cams/pistons/e85/ported heads/header build in a few weeks as well.
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Old 10-29-2019, 09:05 AM   #3 (permalink)
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True but that's with doing the HR head swap. It seems easy to get to the 400whp mark with HR heads just expensive currently and not very well documented. One of my other buddies that is basically going down the same route I am just made 370whp/300tq yesterday without a tune to adjust and dial in for the cams/pistions/headers set up. Hes hoping to be close to 400 after the tune. Also be on the look out for MotoIQ. They are doing a cams/pistons/e85/ported heads/header build in a few weeks as well.
Right on! Excited to see how this all unfolds. The best of luck to you on this journey.

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Old 10-29-2019, 10:05 AM   #4 (permalink)
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So just to get this out there, I will be trying to get out in the public more via my Youtube channel @ Austin Hertel. Most of my videos now are just fast lap videos from the weekend. Going to try to do more videos with myself in front of the camera talking about the new 2020 livery and the 2020 build plans for the off season. This should help me grow as a grass roots racer as well as get my build partners/sponsors some more spotlight. They deserve it!

Currently I am at a cross roads. 370z motor build with VVEL heads and try to get to 400whp/300wtq OR 370z w/ HR head swap and motor build to get to 400whp/300wtq. Just to leak some more info, there might be someone working on utilizing the 370z harness and ecu tuned on ecutek to control the HR heads. Previously people have been using 350z harness and ecu to make it work.
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