72 Z/28 Holley 6239 question......supposed to be a 2nd metering block? - Team Camaro Tech
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post #1 of 4 (permalink) Old Aug 26th, 08, 10:42 PM Thread Starter
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72 Z/28 Holley 6239 question......supposed to be a 2nd metering block?

I just picked up a Holley 6239 780 carb that is supposed to be correct for a 72 Z/28 or Corvette LT-1. I'm not sure if it's all there though because it has a secondary metering plate, like a 600 and not a metering block. Was there ever a time when Holley made these with the plate and not the block?? All the ones I see on eBay have the block. Thanks!


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post #2 of 4 (permalink) Old Aug 27th, 08, 04:38 AM
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Re: 72 Z/28 Holley 6239 question......supposed to be a 2nd metering bl

Hmm, my Chilton's Camaro Repair & Tune-Up All Models, copyright 1974, shows a 4150 style carb, secondary metering block, for the '72 Z/28.

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post #3 of 4 (permalink) Old Aug 27th, 08, 06:22 AM
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Re: 72 Z/28 Holley 6239 question......supposed to be a 2nd metering bl

The 6239 is a 4150 style carb (uses a secondary metering block instead of a plate)

The metering blocks should be a 6828 on the primary and a 4519 on the secondary for a 1st design carb (List 6239), or a 7102 primary and a 7101 secondary on a 2nd design carb (List 6239-1).

Hope this helps.

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post #4 of 4 (permalink) Old Aug 27th, 08, 07:37 AM Thread Starter
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Re: 72 Z/28 Holley 6239 question......supposed to be a 2nd metering bl

Hey Eric.....I have talked to you on the phone before!
The primary block is a 7102 62391. I guess I need to try and find that secondary block. There is a 6239 on eBay right now at $299 with a day to go and I paid $10 for this thing. Thanks for the info guys!!!!!

P.S. Anyone got a 7101?????


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Last edited by dubs68camaro; Aug 27th, 08 at 08:14 AM.
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