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

Throttle body leaking

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Old Apr 17, 2015 | 09:01 PM
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Default Throttle body leaking

My throttle body is. Leaking at the shaft. Can that be repaired ? Or should I just get a new one ? If so looking for suggestions on where to purchase one new or rebuilt. It's for a 86 afr heads tips. Big mouth intake and tips headers and zz9 cam 1.6 roller rockers. Do I need bigger than stock throttle body ?


Thanks Greg
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Old Apr 18, 2015 | 08:28 AM
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Originally Posted by gregs86
My throttle body is. Leaking at the shaft. Can that be repaired ? Or should I just get a new one ? If so looking for suggestions on where to purchase one new or rebuilt. It's for a 86 afr heads tips. Big mouth intake and tips headers and zz9 cam 1.6 roller rockers. Do I need bigger than stock throttle body ?


Thanks Greg
I'm running a 383 pulling more air then your motor and still using the stock throttle body, according to the tuners we don't need any bigger..There is a company on ebay that sells rebuilt throttle bodys that have had new bushings installed on the shafts, you should be able to send your TB to them to have this same work done to your throttle body....WW
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Old Apr 18, 2015 | 11:13 AM
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I managed to repair mine because of the same issue, vacuum leaking throttle shaft. You need at least a drill press, or a quick trip to a local machine shop.

https://www.corvetteforum.com/forums...dy-triage.html

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Old Apr 18, 2015 | 12:47 PM
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Probably not but if you get a larger one, it should be set up for the vehicle and not just tossed on.
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Old Apr 18, 2015 | 01:43 PM
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Think I'll order a new one. Any suggestions on brand? BBK seems to jump out when looking online. Are there any better ones any suggestions or advice will it be a plug and play ? Lol
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Old Apr 18, 2015 | 03:15 PM
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BBK, Holley, any of those.
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