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Dual Holly's need rebuilding. Live in Bullhead City? A

obnoxious001

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They are not difficult if you are at all mechanical, kits run around $30-$40 each. Keeping parts organized between primary and secondary sides is the key. I can do a proper job for you but I am down in Parker, I assume there are people closer to you.

If you decide you want to try to do it yourself, I will spend a little time on the phone to kind of walk you through it. I have the 5 gallon can of carb dip, but don't advise buying that if you are only doing a couple of them.
 

Scapegoat

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Barry should do a write up with pics!!

P.S.
Add boost referencing to the equation...
 

obnoxious001

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Barry should do a write up with pics!!

P.S.
Add boost referencing to the equation...
Almost need a 2nd person to do the photography with the small parts that are involved.
 

johnnyC

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holly carbs are really simple to rebuild, there should be a tube video out there, to help with the learning curve, instead of carb dip use arosol carb spray in every hole and plenty of compressed air
 

boonieslasher

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How do I know if these are 600 or 650 s or even 400. I was going to buy brand-new replacements
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Sent from my SM-N960U using Tapatalk
 

King295

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ID should be on the choke horns. Pull our spark arrestor and see it says and Google away.

My mechanic rebuilt my Holley 850 in about an hour and it was flawless. I would recommend having them rebuilt over buying new, you will save a ton of dough.
 

3queens

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easy to id these here's a video
 
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