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Re: Recommend me an aftermarket carb 1985 305
tuner4life #785065 November 12th 2021 10:55 pm
Joined: Jul 2014
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Rust N Dents
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Rust N Dents
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I agree on that single barrel Rochester.
My '66 C10 had one of those, and that was the first carb I ever rebuilt.
I've only done about 9 or 10, though, so I'm definitely not an expert.

I do know that I had issues with accelerator pump diaphragms on a Motorcraft 2100 due to ethanol.
It stiffened the stock ones up really quickly, so I had to get an aftermarket one.
Don't know why that was the only carb of mine that had that problem.


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Re: Recommend me an aftermarket carb 1985 305
tuner4life #785117 November 13th 2021 8:14 pm
Joined: Apr 2007
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journeyman
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journeyman
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You won't find a better carb than a Q-Jet. Personally I would use a 78-84 model without the dual capacity accelerator pump or mixture control solenoid. 17083226 or 17084226 or the like. Those have the larger primaries and flow up to 850 cfm. Get one built and recalibrated by Cliff Ruggles or Sean Murphy Inductions and it will last for a long time.

Option 2 would be a Sniper TBI system. Throw on a used 7101 performer rpm manifold at the same time so that you get the correct square Holley flange without using a flow reducing adapter.

Last edited by 1983G20Van; November 13th 2021 8:27 pm.

1983 G20 Conversion Van, 350 TPI, Reed Hydraulic Roller cam, Ported 906 Vortec, Edelbrock 3817 TPI-Vortec Base, Doug Thorley Tri-Ys, Dual 2 1/2" exhaust, Speed Density 7730 ECM tuned by ME, 700r4 by ME, Stock 1,600 rpm converter, Rebuilt Stock 10 bolt with posi by ME, 3.08 gears, 358 RWHP @ 5,200, 384 RWTQ @ 3,400, 14.66 @ 95.43 w 2.28s 60'
Re: Recommend me an aftermarket carb 1985 305
tuner4life #785174 November 15th 2021 10:04 am
Joined: Sep 2013
Posts: 1,006
Likes: 14
old hand
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old hand
Joined: Sep 2013
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Thanks everyone. I'm going to pull the q-jet one more time and really go through everything one last time. I took the van out for one last little cruise before putting it away for the winter and it ran perfectly. I don't know if it's the cold weather or what, but there was no bog, no idle issues, nothing that I had been experiencing. I guess I'll just go through it again and be super thorough. Also going to be checking the timing and a number of other things.

I appreciate the input and I'm still interested in more discussion!


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Re: Recommend me an aftermarket carb 1985 305
tuner4life #785532 November 23rd 2021 9:59 pm
Joined: Aug 2009
Posts: 649
Likes: 3
S
addict
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addict
S
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Might be a bit more then you want to spend but the new carb type looking EFI systems out there work really well. Everyone I have talked to to that have gone that route just cannot say enough good things about them. All the "hot rod" shops in the Detroit metro area (SE Michigan) cannot install them fast enough.....assume it is the same everywhere else also......


1991 Chevy G-20 “Shorty”
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