LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

which bbk throttle body do I have?

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Old Jan 31, 2011 | 08:41 PM
  #1  
chevy_dude97's Avatar
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From: Oahu, HI
which bbk throttle body do I have?

I got a parts car at auction, it has a bunch of aftermarket parts.
*updated I pulled a throttle body off of it and was woundering how to tell what size it is? ok its 52mm
The only marking on it is BBKPOWERPLUS on the top plate and bbk on the middle piece and the 2 discs inside. It looks like the sticker that had the part numbers fell off. Ill throw some pics up this afternoon.

pics--> https://picasaweb.google.com/Jessie....50237653169682


Last edited by chevy_dude97; Feb 1, 2011 at 05:38 PM. Reason: added pics
Old Jan 31, 2011 | 09:30 PM
  #2  
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From: Kissimmee, Fl, USA
Re: which bbk throttle body do I have?

Originally Posted by chevy_dude97
I got a parts car at auction, it has a bunch of aftermarket parts.
I pulled a throttle body off of it and was woundering how to tell what size it is?
The only marking on it is BBKPOWERPLUS on the top plate and bbk on the middle piece and the 2 discs inside. It looks like the sticker that had the part numbers fell off. Ill throw some pics up this afternoon.
Measure the bores for the blades to get your answer. Measure the side that faces the manifold and use something like a vernier caliper to get the reading. You'll get either 52mm or 58mm. To convert from inches multiply by 2.54....
Old Feb 1, 2011 | 09:32 AM
  #3  
my1994z28's Avatar
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From: warren,michigan
Re: which bbk throttle body do I have?

Just by looking at it,looks like 52 mm..I have a 58 mm,and its stamped on the throttle blades 58mm..
Old Feb 1, 2011 | 03:44 PM
  #4  
chevy_dude97's Avatar
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Re: which bbk throttle body do I have?

its 52mm, is it worth rebuilding?

Last edited by chevy_dude97; Feb 1, 2011 at 05:44 PM.
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