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GTM Performance Engineering: MHI Twin Turbo Official Release

I'm sticking with 18G.

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Old 05-21-2013, 05:50 AM   #1 (permalink)
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I'm sticking with 18G.
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Old 05-21-2013, 06:05 PM   #2 (permalink)
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I'm sticking with 18G.
I have the 16G and it spools nicely and dyno'ed at 550 with no exhaust.
Don't know how much more you'll get with 18G.
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Old 05-21-2013, 06:17 PM   #3 (permalink)
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I have the 16G and it spools nicely and dyno'ed at 550 with no exhaust.
Don't know how much more you'll get with 18G.
I'm hoping for dynojet equivalent of 500/450 on 16Gs with test pipes at 2.5" FI.
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Old 05-21-2013, 06:29 PM   #4 (permalink)
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I have the 16G and it spools nicely and dyno'ed at 550 with no exhaust.
Don't know how much more you'll get with 18G.
when you say 'no exhaust'...do you mean that you havent modded your exhaust or that you deleted it?

prolly a dumb question but humor a n00b.
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Old 05-21-2013, 06:38 PM   #5 (permalink)
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nevermind...i just searched and saw your setup. nice numbers, man...
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Old 05-23-2013, 02:33 PM   #6 (permalink)
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Originally Posted by Wattles View Post
I have the 16G and it spools nicely and dyno'ed at 550 with no exhaust.
Don't know how much more you'll get with 18G.
did u do anything to the trans? how does it hold up with that power?
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Old 05-23-2013, 03:10 PM   #7 (permalink)
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did u do anything to the trans? how does it hold up with that power?
His signature says GTM VB upgrade.
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Old 05-23-2013, 03:40 PM   #8 (permalink)
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Pictures of the actual production oil pan are coming shortly, You guys are going to love it .

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Old 05-23-2013, 03:45 PM   #9 (permalink)
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Pictures of the actual production oil pan are coming shortly, You guys are going to love it .

Sam
Along with the kit? Hehe.
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Old 05-23-2013, 06:33 PM   #10 (permalink)
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Old 05-24-2013, 07:34 AM   #11 (permalink)
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did u do anything to the trans? how does it hold up with that power?
The transmission was definitely a weak link. There was definitely slippage at high speeds + high torque.
Stage 4 transmission on its way...

In addition to a GTM stage 1 long block
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Last edited by Wattles; 05-24-2013 at 07:47 AM.
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