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92mm intake with 78mm accufab throttle body?

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Old 01-17-2015, 09:14 AM
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Default 92mm intake with 78mm accufab throttle body?

how much HP you think i'd be leaving on the table by using a 78mm accufab tbody instead of a 90 or 92mm tbody?
its just a street car and no real racing so eeking out 5 more HP isn't that important to me.

i have the adapter to run the stock style tbody's on the fast intake.
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Old 01-17-2015, 09:18 AM
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About 3-5 hp probably, but the biggest difference will be in throttle response. This will be on a Fast intake I presume?
Old 01-17-2015, 09:36 AM
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yeah i bought a fast 92mm intake
Old 01-17-2015, 09:41 AM
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Just curious, why not sell yours for like $75 and pick up a basic used LS2 90mm unit. I've seen them anywhere from $150-$200 if you shop around a bit.

I just got a used Fast 90 intake with 90mm TB along with injectors and fuel rails all for $600. There are great deals to be had if you just shop around
Old 01-17-2015, 02:53 PM
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how do you use the LS2 on LS1? isn't LS2 drive by wire?
Old 01-17-2015, 04:31 PM
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Either an aftermarket one or one off a GTO should be fine since they are cable
Old 01-18-2015, 01:14 PM
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Originally Posted by HCI2000SS
Either an aftermarket one or one off a GTO should be fine since they are cable
Only the LS1 GTO's had DBC TB's, LS2's are DBW.
Old 01-18-2015, 01:18 PM
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Originally Posted by 2MCHPWR
yeah i bought a fast 92mm intake
Why buy the intake and not the TB? I'm just curious.



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