C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Synchronizing TB's on a Crossfire

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Old Aug 8, 2008 | 12:11 PM
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Robs84c5's Avatar
Robs84c5
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Default Synchronizing TB's on a Crossfire

Im getting ready to synchronize the throttle bodies on my crossfire. According to what ive read I need a manometer to measure the vacuum from the TBs. Does anyone know if I must use a manometer and where I can find one, or can I just use a regular vacuum gauge. All help is greatly appreciated.
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Old Aug 8, 2008 | 03:25 PM
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kehler
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You need a manometer cause your reading inches of water column. You can make one with poly tube, I'm not the guy to tell you how though , search around on the internet. I use a Dywer digital manometer that was purchased through Grainger
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Old Aug 8, 2008 | 04:40 PM
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84REDCROSSFIRE
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Originally Posted by Robs84c5
Im getting ready to synchronize the throttle bodies on my crossfire. According to what ive read I need a manometer to measure the vacuum from the TBs. Does anyone know if I must use a manometer and where I can find one, or can I just use a regular vacuum gauge. All help is greatly appreciated.
What have you done that requires synchronizing the TB's ?
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Old Aug 9, 2008 | 11:55 AM
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Originally Posted by 84REDCROSSFIRE
What have you done that requires synchronizing the TB's ?
The lower intake gaskets were replaced a while back and the TBs were just bolted back on but never synched.

After about 15 min of driving the car wants to stall when you come to a stop. And I have to shift into neutral and keep my foot in the gas to keep it running. Sometimes the idle fluctuates. Its been recommended that I synch the throttle bodies, amongst other things. I have a grocery list of things to do on this car, and synching the TBs is one of em.
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