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10-24-2015, 03:46 PM
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#1 |
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Registered User
Join Date: Aug 2014
Location: west columbia, s.c.
Posts: 61
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summit quadrajet
has anyone had any experience with the reman q-jets from summit?
http://www.summitracing.com/parts/urm-3-3722
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1972 gmc 3500 ramp truck, 350, sm465, dana 70 rear |
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10-25-2015, 03:39 PM
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#2 |
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Registered User
Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,188
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Re: summit quadrajet
I don't know about those carburetors, but I bought one from National Carburetors Inc. last year for $214.50 with no core charge. $90 seems like a lot for a core charge. The NCI carburetor I got had a stripped thread for the vacuum line in the base, so I had to return it for another one.
The carb I got sucks too much gas, but it does have a lifetime warranty, which I could not find anywhere else (don't know how good their warranty actually is.) I only bought this one because it was the cheapest around. My original leaking carburetor got about 11 mpg city and the NCI carb gets only 8 mpg city at best. It will get 11 mpg on the highway. (I have a 1983 C20 454, so pigging gas is a way of life for me.) I just needed something to get me through emissions and not leak gas. I have read that Sean Murphy has good Qjets. I have had poor results with Carter(now Edelbrock) and auto parts store rebuilds, so I will go with Sean Murphy next time. A q-jet for my BB would cost $403.28 with shipping but it looks like no core charge. I drive my truck less than 1,000 miles per year, so I can tolerate the low gas mileage for now. I will say that the NCI carb does start and run very well. |
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10-25-2015, 04:00 PM
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#3 |
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Registered User
Join Date: Oct 2009
Location: Buhl, Idaho
Posts: 1,438
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Re: summit quadrajet
I also bought one from national carburetor, stock quadrajet replacement. I didn't return my old quadrajet (only a 35$ core). Carb is great I get way better mileage out of the new one. My old one was in very bad shape though, was leaking gas into the manifold, flat spots ect.
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86 c30 crew cab dually 454/400 4/6 drop SOLD 1-8-11 1981 chevy K10 short Bed Scottsdale SOLD 10-26-2020 67 GMC Stepside Straight six/3 on the tree "The Peach" 2020 Silverado Double Cab LT Z71 5.3 8 speed Daily Driver K10 build http://67-72chevytrucks.com/vboard/s...d.php?t=671934 The Peach build http://67-72chevytrucks.com/vboard/s...d.php?t=733903 
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10-25-2015, 06:43 PM
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#4 |
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driving is in my blood
Join Date: Dec 1999
Location: Mesa AZ
Posts: 5,739
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Re: summit quadrajet
They just put new gaskets and seats and whatnot into them, same thing you can do at home with a screwdriver.
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-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me. |
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10-26-2015, 07:46 AM
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#5 |
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Registered User
Join Date: Feb 2015
Location: Bonham, Texas
Posts: 241
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Re: summit quadrajet
Yea I found its cheaper and easier to just have someone rebuild your old carb. A skilled mechanic will do a better job anyway.
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10-26-2015, 08:06 AM
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#6 |
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Gentleman Jim Driver
Join Date: Nov 2002
Location: Poulsbo, WA
Posts: 1,551
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Re: summit quadrajet
I put a summit rebuilt quadrajet on a 350 crate engine in 2002. I was happy with it. Worked well.
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Joe '75 GMC Gentleman Jim '84 Chev C10 Short Wide - Super duper plain (manual steering, manual brakes, no dome light, no cig lighter) '85 Chev C10 Short Wide - Super plain Vortec 4.8 4L60E trans also: '81 K30, '83 C30 Crew Dually, '84 M1028 CUCV, '85 M1009 CUCV, another '85 C10 SWB, '89 R3500 Flatbed |
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10-28-2015, 12:49 PM
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#7 |
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Registered User
Join Date: Oct 2015
Location: Riverside CA
Posts: 32
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Re: summit quadrajet
This past weekend I put a Sean Murphy stage one Q-jet and it works perfectly right out the box no adjusting needed. Bad part i had to wait 6 weeks to receive my carb but worth it.
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10-28-2015, 01:29 PM
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#8 |
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Registered User
 
Join Date: Jul 2014
Location: Winston-Salem, NC
Posts: 561
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Re: summit quadrajet
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