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4.8ls 300-350whp fb rx7 for raod course use

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Old 08-15-2019, 12:44 PM
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Originally Posted by HotGritz910
Its a 2003 4.8 with the drive by wire TB.
You must've beat me to it by a couple of seconds lol.

I'd recommend swapping out the drive by wire to cable unless you prefer it.
Old 08-15-2019, 04:47 PM
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Guys there is some great info in here thanks a bunch!

I would rather have cable throttle, is it worth the hassle and cost buying a bigger TB and porting the intake? I have a ls6 intake.
Old 08-16-2019, 06:59 AM
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For the price vs return of a large throttle body on a 4.8, id say its not worth it.

Porting is free. If you feel like putting in the time and know how to do it, I don't see any reason not to.
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Old 08-16-2019, 08:36 AM
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Just thought about, i will have to buy TB anyway because i dont have one..plus the stock ls6 TB is drive by wire and i want cable.
Old 08-16-2019, 08:43 AM
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You can use any gen 3 cable throttle body. Shouldn't be too hard to find a truck one for $20.



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