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

BBK TB cable hookup problem?

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Old Aug 6, 2005 | 08:57 AM
  #1  
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rodj
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Default BBK linkage problem?

Just fitted up 58mm BBK TB. (85-88 type)
Slight prob.
The spigot that the throttle cable clips on to is much smaller dia than either of the two stock TBs I have .
The clip on the cable end does not lock into the groove on the spigot as it is supposed to do so on throttle release it falls off.
Do not really want to weld the old spigot on my BBK just to get cable to stay in place.
Ideas?

Last edited by rodj; Aug 6, 2005 at 08:11 PM.
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Old Aug 6, 2005 | 08:10 PM
  #2  
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rodj
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From: Australia
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So nobody else has a BBK with a smaller mounting?
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Old Aug 6, 2005 | 09:41 PM
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tommelton
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From: Douglasville GA
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Mine is an Edelbrock/BBK unit - no issue here with that. I had heard some had this problem, I was lucky mine did not.

-Tom
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Old Aug 6, 2005 | 11:33 PM
  #4  
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Aggravated4life
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Theres no reason for a 58MM or a 52MM TB unless you are running 406+ cubic inches.Send it back and save yourself some money.
Im not sure what your mods are but a stock TB can feed alot of mods before you really really need one.Now you have linkage problems you dont need and I highly suggest you send the TB back and use the stocker until you do some serious mods.
Just my 2 cents.
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Old Aug 6, 2005 | 11:54 PM
  #5  
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rodj
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From: Australia
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I need a new TB so I bought one to suit my race motor I am building and are currently trying it on my modded L98.Inital testing has a much better result than the 48mm especially with the ported plenum and siamised manifold.No off idle flat spot on tip in as people predicted.T
he race motor will use the same cable so I have to get it sorted one way or the other.
The issue is not the size , if I was to buy a 52mm I would probably have the same problem.
The spigot is .180 v .220 on the original.I considered filing the clip groove deeper but it will have no effect as there is no tension on the clip around the new spigot.
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Old Aug 7, 2005 | 03:51 AM
  #6  
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65Z01
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From: SE NY
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What year Vette are you putting the BBK onto??

I've had no problem with the TV cable from my '88 staying on the BBK.
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