I just found out today that holley makes a feedback carb for your computerized Z28. I saw it at Checkers Auto parts here in Texas. That I did not know.I still did not buy it but I will eventually. Instead I bought a 600 cfm holley for my 86 Camaro.

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Big 454 '86 Camaro Z28 '72 Nova w/454 BBC

 

I noticed a big change with this holley that I installed today. I would not be able to tell you how many more horses this holley is giving me but I will say it is a good increase. The trottle response is awesome!I actually got to burn some of my brand new rubber, before it would not even chirp the tires .

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Big 454 '86 Camaro Z28 '72 Nova w/454 BBC

 

What no replies to this post?

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Big 454 '86 Camaro Z28 '72 Nova w/454 BBC

 

Perhaps you could provide some details, like part #, spread- or square-bore, electrical connectors for TPS & MCS, electric choke, fast idle solenoid, vacuum hookups, CARB certification, etc.

You seem to be the only one who has laid eyes on this beast. Do us a favor and try to get them to pull it out of the box so you can provide these answers.

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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R. 2.93 limited slip. Cat-back from '91 GTA, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 w/LB9 block, ZZ3 cam and intake, WP 305 heads ported & polished, Hooker headers & y-pipe, 3" Catco cat).
57 Bel Air, my 1st car. 0.030 over 396, Weiand Action+, Edelbrock 1901 Q-Jet, Jacobs Omnipack, 1-3/4" headers, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, 3.08 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Best 15.1 @ 5800' Bandimere. Daily driver while Camaro was being put together.

 

I will try and get as much info as possible. I will post again.

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Big 454 '86 Camaro Z28 '72 Nova w/454 BBC

 

I did a search at partsamerica.com (Checker, Schuck's, Kragen) for an OE replacement carb for my '84 L69 and this is what came up:

Click Here

manufacturer: Holley II
p/n: 6470087
price: $244.99

[Carburetor] Reman; Fed.; Cal.; R-4; Model: E4ME Limited 2 Year*
There is an additional $30.00 core charge on this product.

I've yet to verify with Holley to see if they still produce this part or if it is a different company (Note: Holley II as the manufacturer).

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George P. Lara
1984 "L69 A4"
Soon to be 357, T5, 3.70
1994 LT1 M6
SCCA, SCFB, SC3GFB

 

Holley does rebuilds. Perhaps that's what you found, George. I'm sure they wouldn't want a core Rochester for their new carbs.

Any news, Big?