V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

65mm TB Adapters for 3x00's

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Old Jun 26, 2008 | 08:27 PM
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firstfirebird's Avatar
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65mm TB Adapters for 3x00's

Hey peeps, made some adapters to use a TB from a 3.5 DOHC Aurora/Intrigue on the 3400 and 3500 plenums. They're CNC'd 6061 billet aluminum.



I have a few more left if you want an inexpensive way to upgrade your throttle body
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Old Jun 27, 2008 | 05:47 PM
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From: Cumming, GA
Car: 1988 Firebird
Engine: soon to be 3.4/3400
Re: 65mm TB Adapters for 3x00's

How much??? and what seems to be the easiest throtle body to make work?
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Old Jun 27, 2008 | 11:02 PM
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Re: 65mm TB Adapters for 3x00's

The adapter uses a TB from a Oldsmobile Aurora/Intrigue 3.5 DOHC. The sensors are a direct plug-in. i fyou have a 3400 plenum, you might want to port it to 65mm to take full effect, though

$45 shipped to the 48 states. Includes mounting bolts.

TB's can be had from your local wrecker or Ebay - and the gaskets are available at your local auto parts stores.
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