TB Bypass question
02-17-2012, 11:37 AM
#1
TB Bypass question
On a L98 what are the pros and cons of bypassing the TB? Went to change the lower gasket by the IAC valve and 2 bolts broke in it, concerned that it might leak. Can I just run the hose from the port coming off the manifold to the heater core?
02-17-2012, 12:57 PM
#2
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Car: 1988 GTA
Engine: LB9
Transmission: T5
Axle/Gears: 3.45
Re: TB Bypass question
Yes you can run the hose directly from the intake to the heater core. No cons on this one. The only function of the throttle "heater" is to prevent icing in sub zero temperatures because the TB doen't get enough heat from the engine because it's too far away.
02-17-2012, 04:19 PM
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Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: TB Bypass question
I ran my car even during the winter in Colorado and I never had a problem with icing. I don't see any real negatives at all to doing the mod.
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