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Author Topic: 4053 holley fast idle cam  (Read 844 times)
wisemanz28
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« on: May 15, 2013, 09:21:59 PM »

What is the correct part number for a 4053 holley carburator fast idle cam.
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69Z28
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« Reply #1 on: May 16, 2013, 12:26:46 AM »

Is this the part your asking about?

http://www.ebay.com/itm/Holley-Choke-Cam-Green-41R539-/170549845514#ht_1211wt_806
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GaryC

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« Reply #2 on: May 16, 2013, 01:04:56 AM »

It's the part labelled 29 on the diagram, located HERE. I can't check my Holley parts catalog at the moment, but I'm sure if you called Holley Tech Support, they'd be able to look it up for you.
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Tim - New South Wales, Australia
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« Reply #3 on: May 16, 2013, 05:40:24 AM »

Holley P/N 45-376
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wisemanz28
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« Reply #4 on: May 16, 2013, 03:21:48 PM »

My original carb has a 41r499 fast idle cam on it, but my spare list carb has a 41r539 fast idle cam on it. Which one is correct?
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69Z28
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« Reply #5 on: May 16, 2013, 05:58:35 PM »

I believe it's the 41R-539. Looking at a copy of a 4053 parts breakdown 'Holley Carburetion Variable Specifications And Parts' with part numbers that I have had since 1974 indicates (136)41R-539. Exploded view shows fast idle cam like what Everette's part number shows, but that not what is on a 4053. The one on the ebay auction may be green, but is more like what's on the OEM carbs.

Here is a pic of one.
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GaryC

'UNRESTORED' 1969 Cortez Silver X33D80 Z28
wisemanz28
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« Reply #6 on: May 16, 2013, 07:11:30 PM »

That light colored fast idle cam looks just like the one on my original 4053 carb, now where do you find this cam?
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69Z28
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« Reply #7 on: May 16, 2013, 07:38:20 PM »

Did you check out the link I posted? That should be it, if that is what your looking for.


Here is a post on the Corvette site talking about it.

http://forums.corvetteforum.com/c1-and-c2-corvettes/290837-holley-again-fast-idle-cam.html


Something from the Supercar website.

http://www.yenko.net/ubbthreads/ubbthreads.php?ubb=showflat&Number=394461
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GaryC

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« Reply #8 on: May 18, 2013, 05:57:29 PM »

419499 is correct if it's green it's incorrect should be white(ish) Call Craig's Carb Restoration 386/518-6040 carbguy@cox.net. he has the #'d part and also the correct choke pull off w/the angled vacuum port.
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