GT350 manifold on a 11-14 engine

Chad Clark

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Picked up 33hp but lost some TQ.
 
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demas

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Can I use it with my VMP TVS? Instead of the JLT I have? I
Mean only the intake of course, not the whole manifold
 
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Chad Clark

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Do you have a before graph? FWIW I believe JDM engineering has sorted tuning for the 87mm TB and maybe Shaun@AED has as well.

No l lost it. It was 360hp last year. Most people want the car in pereon for that tuning. I live far away so AED was out of the question because they would like the car in person
 
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5.Shark

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Hey guys I'm new here so hopefully this wasn't answered already..I read this whole thread but didn't see anything about it

Would there be any benefit to swapping the stock S550 manifold onto a 12' GT?
 

Chad Clark

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Hey guys I'm new here so hopefully this wasn't answered already..I read this whole thread but didn't see anything about it

Would there be any benefit to swapping the stock S550 manifold onto a 12' GT?
No. Probably not worth it with out the s550 heads
 

Modular Racing

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Hey guys I'm new here so hopefully this wasn't answered already..I read this whole thread but didn't see anything about it

Would there be any benefit to swapping the stock S550 manifold onto a 12' GT?

They do not fit, the gasket hangs over the edge of the 11-14 cylinder head.
 

StalkerStang

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She did better than I expected... on a Mustang dyno it did 423 with the WCF. Previous number on the same dyno several months back was 375. It's skewed slightly because I added a 1 piece driveshaft before the intake, but I didn't think it would go over 400.....
 

DMassey

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She did better than I expected... on a Mustang dyno it did 423 with the WCF. Previous number on the same dyno several months back was 375. It's skewed slightly because I added a 1 piece driveshaft before the intake, but I didn't think it would go over 400.....

that's awesome... what throttle body did you use?
 

StalkerStang

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Stock TB with the MMR adapter. I would like to try the GT350 unit, but I don't know if the tuning data is available for it yet. That and my tuner seems to think it wouldn't help much if any at all.
 

steveofiveo

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Stock TB with the MMR adapter. I would like to try the GT350 unit, but I don't know if the tuning data is available for it yet. That and my tuner seems to think it wouldn't help much if any at all.

Did it lose any torque? How high did you spin the motor ?
 

StalkerStang

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If there was any loss of torque or hp it was below 3200 rpm or so. We spun it to 7600, it made peak at 7250. I'll try to get the dyno chart up here later.
 

SVTStampede

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Do you happen to have your old dyno sheet too? Really interested in seeing the torque graph.
 

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