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

Motorcycle TB for ITB setup?

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Old 07-09-2012 | 12:39 AM
  #1  
ericjon262's Avatar
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From: South Carolina
Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Motorcycle TB for ITB setup?

anyone done it? I've seen pics of deathstar89's setup, it looks awesome, but I need one for other reasons... got any pics/recommendations?most of the motorcycle TB's I've seen don't have an actual mounting flange, which would make mounting them a little harder. my setup would be on a turbo 3500 V6
Old 07-09-2012 | 12:26 PM
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Motorcycle TB for ITB setup?

most are connected with rubber couplers.

u coudl make mounting flanges that bolt down and then use the couplers, or u could carfully weld the tb's down to a mounting plate.

on a boosted app i would weld them down ,beaing as if one of the tb's pop off that cyl would be like the throttle was wide open so u could iagine the damage that would cause.

on an n/a build there would be much less chance of poping one of the manifold to itb couplers off
Old 07-09-2012 | 12:30 PM
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Joined: Apr 2008
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From: Utah
Car: 89 RS 89 iroc 87 firebird
Engine: 3.1 Turbo/ 355 twin turbo
Transmission: a4 w/ 4500 stall/ a4 / t5
Axle/Gears: strange s60 /w 3:42's
Re: Motorcycle TB for ITB setup?

obx makes semi affordable itb setups for the honda guys and they have mounting flanges

maybe u can contact them and see if they will sell u just 6 of the tb,s
Old 07-09-2012 | 10:33 PM
  #4  
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Joined: Nov 2008
Posts: 1,544
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From: South Carolina
Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Re: Motorcycle TB for ITB setup?

I'm looking for 42mm tb's I think that would probably be a nice sweet spot for the 3500. the "boost hat" is the part i'm dreading, the rest would be cake. I'm kind thinking it may be time for a custom intake to make it's way onto the scene.
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