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#1
08-28-2008, 11:09 PM
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ZL1 correct carburetor
I am currently working on a original ZL1 motor, and I am having issues with the carb not wanting to idle.(carb has been rebuilt) Im thinking that it isnt the correct carb for this particular motor. What would be the best way to find out which one is correct for this car? Thank you for youre time.
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#2
08-28-2008, 11:22 PM
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Re: ZL1 correct carburetor
They are available new. An original is alot of money. The list number is 4296. Many other carbs should work for it though. The ZL1 is meant to have a high idle. Maybe VintageMuscleCar can chime in. Eric is a wealth of knowledge not to mention a cool dude.
Jason
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#3
08-28-2008, 11:24 PM
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Re: ZL1 correct carburetor
David;
The "correct" carburetor for a ZL1 is a Holley LIST 4296. re: idling issue--is it idling too lean and doesn't want to idle at all? Have all the basic adjustments been set (float levels, trim screws, etc.)? How many turns out are the idle trim screws? Eric p.s. Thank you Jason 
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#4
08-29-2008, 04:55 AM
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Re: ZL1 correct carburetor
Funny how this post is here..a buddy just brought me a gift for my Malibu project..could it be??
L 3955205 list 4296 912 ???is it real?? ALbert
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1969 9566AA COPO Chevelle M-22 1969 Malibu 489 ZL-1 T-56/4.56 1969 Beaumont 540 th400 3.70 1969 Chevelle 300 Deluxe 427 ZL-1 M 22W 1970 Olds 442 W 30 2 door post 1969 Ply. GTX 426 hemi auto. Blue. 1940 Dodge pick up Durango 4X4 1968 Camaro ragtop LSA ZL1
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#5
08-29-2008, 05:39 AM
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Re: ZL1 correct carburetor
They are now available new from Holley I believe. 912 sounds like a real ZL1 carburetor to me. I recently sold a May of 1969 L88 4296.
__________________
Day 2 is Life.
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#6
08-29-2008, 05:57 AM
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Re: ZL1 correct carburetor
Is it old and crusty or new and shiny?
Jason
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#7
08-30-2008, 04:13 AM
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Re: ZL1 correct carburetor
[ QUOTE ]
Is it old and crusty or new and shiny? Jason [/ QUOTE ] new and shiny
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1969 9566AA COPO Chevelle M-22 1969 Malibu 489 ZL-1 T-56/4.56 1969 Beaumont 540 th400 3.70 1969 Chevelle 300 Deluxe 427 ZL-1 M 22W 1970 Olds 442 W 30 2 door post 1969 Ply. GTX 426 hemi auto. Blue. 1940 Dodge pick up Durango 4X4 1968 Camaro ragtop LSA ZL1
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#8
08-30-2008, 04:17 AM
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Re: ZL1 correct carburetor
There are plenty of guys stamping the new ones that do not come with a date. Either way, it should work great for your application.
Jason
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#9
08-31-2008, 12:47 AM
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Re: ZL1 correct carburetor
Thats what I figured, but its a new ZL-1 carb and thats OK with me
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1969 9566AA COPO Chevelle M-22 1969 Malibu 489 ZL-1 T-56/4.56 1969 Beaumont 540 th400 3.70 1969 Chevelle 300 Deluxe 427 ZL-1 M 22W 1970 Olds 442 W 30 2 door post 1969 Ply. GTX 426 hemi auto. Blue. 1940 Dodge pick up Durango 4X4 1968 Camaro ragtop LSA ZL1
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#10
09-02-2008, 04:02 AM
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Re: ZL1 correct carburetor
When discussing ZL-1 Camaro carbs "correct" and "how they were built" are different.
Perhaps due to the ducted hood air cleaner interfering with the rear pump on the #4296 many if not all were built with the L72/L78 #4346 carb. Fred Gibb stated this in an interview many years ago and photos of the #3 Berger ZL-1 confirm it. The #1 ZL-1 flunked Tech at the Phoenix AHRA meet because the AMA specs listed the #4296 and the car still had the OE carb. Which carb should a properly restored ZL-1 Camaro have? You decide.
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Learning more and more about less and less...
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