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03-12-2013, 05:35 PM
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#1 |
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C35 Crew Dually
Join Date: Nov 2008
Location: Belleville Ontario
Posts: 1,116
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quadra jet carb
My truck has a lovely quadra squirt on it. never seems to idle,start,run properly.
Don't get me wrong she ALWAYS starts but some times it takes a while,or i have to floor it while it spits and spuders to even out. worth the rebuild? i'm not into speed or all that so putting on a holly or edlebrock seem kinda pointless for me.... or is there OEM replacements? Thanks
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If it aint square, I don't care. 84 C35 CC Dually Project log... http://67-72chevytrucks.com/vboard/s...d.php?t=414892 |
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03-12-2013, 05:44 PM
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#2 |
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Registered User
Join Date: Mar 2012
Location: stafford springs ct
Posts: 149
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Re: quadra jet carb
i'd stick with the q-jet if i were you then. it's definately worth trying a rebuild for the price of the kit, i've tried parts store replacement carbs and have had problems with those too.
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1977 srw cc lb 396/700r/4:11's/6'' bds lift/ 35's. sold 1986 suburban 350/700r/3:73's 31's: parted out. 1980 silverado swb 5.3/700r/ 2'' drop/ daily driver. sold 1985 c10 long bed 5.3/700r/2'' drop/17" wheels/ daily driver. sold 1970 c10 long bed-new project! getting ready for the 6.0 |
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03-12-2013, 05:53 PM
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#3 |
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Registered User
Join Date: Oct 2010
Location: Kansas City
Posts: 3,590
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Re: quadra jet carb
I recently had a quadrajet I had lying around rebuilt and you would not believe the difference. If you don't want to do it yourself or don't know someone locally, I'd reach out to Ted at Mountain Man Carburetors.
http://stores.ebay.com/Mountain-Man-...etors-Fuel-Inj I had a couple of people recommend Ted and he did a great job for me at a fair price. He can rebuild your existing carb or sell you on that he rebuilt. Send him an email and tell him what's going on and he will suggest the best solution. tedmtnman@yahoo.com Good luck.
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Willie Swamp Angel Truckers '72 C10 Highlander  People who blindly follow a GPS end up on television programs on The Weather Channel. Some survive, some don't. 
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03-12-2013, 07:08 PM
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#4 |
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Registered User
Join Date: Oct 2003
Location: houston, texas
Posts: 1,974
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Re: quadra jet carb
Checked fuel filter yet?
Posted via Mobile Device
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2008 Silverado Z71 RCSB 1991 GMC Jimmy 4x4 1976 GMC Sierra C15 SWB |
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03-12-2013, 07:41 PM
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#5 |
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Registered User
Join Date: Mar 2013
Location: constantine,Mi.
Posts: 93
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Re: quadra jet carb
By all means rebuild the carb , your truck will love you for it ....
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03-12-2013, 09:01 PM
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#6 |
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Registered User
Join Date: Dec 2012
Location: Arkansas
Posts: 55
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Re: quadra jet carb
Don't be afraid to get in there and rebuild that qjet. It's a bit confusing at first, but once you do it your first time it'll be a cakewalk in the future. Pick up a copy of Cliff's rebuild book and check out some of his kits, otherwise I recommend quadrajetparts kits. My 305 was a whole new engine after I rebuild my quadrajet and tuned it up properly.
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1983 Chevy C10 LWB 305 SBC bored .030 with cast dished pistons Summit RV Camshaft 204/214 .424/.444 416 Iron Heads Performer Intake, Quadrajet, and Flowtech Long Tubes TH350 2.73 10 Bolt |
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03-13-2013, 12:42 AM
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#7 |
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Registered User
 
Join Date: Oct 2006
Location: Southern Kalifornia
Posts: 3,066
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Re: quadra jet carb
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------------------------------------------------------ -Lance 2000 Chevy C2500, 5.7, 4L80e 1999 Suburban K2500, 7.4, 4L80e 1980 Camaro..son's car...PROJECT |
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03-13-2013, 08:01 AM
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#8 |
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Registered User
Join Date: Jul 2010
Location: Janesville, WI
Posts: 664
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Re: quadra jet carb
Keep the quadra jet arguably the best, all be it complicated, designed carbs ever. I just had my brother swap the eddy 1406 off his truck and put a qj back on it. Its a mild 350. He now gets mpg instead of GPM. Lol he loves it only problem. Is it floods easily but that's cause hr needs to adjust elec. Choke.
Posted via Mobile Device |
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03-14-2013, 09:36 AM
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#9 |
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Registered User
Join Date: Mar 2009
Location: glen burnie md
Posts: 174
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Re: quadra jet carb
Make sure the accellerator pump and choke are adjusted properly, if so, then spend the time and $$ to work on it. Easiest and cheapest thing is removing the mixture screw block offs.
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03-14-2013, 09:51 AM
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#10 |
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Registered User
Join Date: Mar 2012
Location: saginaw mi
Posts: 104
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Re: quadra jet carb
I bought Cliffs book, spent some time with it, my carb performs great now. Was well worth the time and money invested. I went with the brass float, and a different intake manifold. The factory ('69) intakes can be problematic. Also am using a phenolic resin spacer under the carb.
Posted via Mobile Device
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69 GMC 2500 custom longbed 350 4bolt,steel crank,q-jet,edelbrock streetmaster 400th 4.10 1ton floater,8 lug goodness |
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03-14-2013, 12:03 PM
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#11 | |
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Registered User
Join Date: Aug 2012
Location: On the banks of the Clackamas River, Eagle CreeK Oregon
Posts: 387
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Re: quadra jet carb
Quote:
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03-14-2013, 12:16 PM
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#12 |
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78K & 79C Jimmys
Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
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Re: quadra jet carb
I'll be replaceing my 78s square bore 4BHolley to go stock QJ
and the 79s getting one too both with performer intakes
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John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350 |
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03-27-2013, 07:08 PM
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#13 |
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Registered User
Join Date: Mar 2013
Location: Orillia,ON Canada
Posts: 104
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Re: quadra jet carb
i be built mine and almost **** my pants it feels like a new truck
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Jeremy '86 GMC 1500 dropped 6" in the front and 6" in the rear 2003 Land Rover Discovery Low Life |
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