Re: Quadrojet on a Mopar?
[Re: SattyNoCar]
#792199
09/04/10 09:00 AM
09/04/10 09:00 AM
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Joined: May 2003
Posts: 15,487 Florida
scratchnfotraction
I Live Here
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I Live Here
Joined: May 2003
Posts: 15,487
Florida
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yes..mid 80s truck,dippys,all 4-v 318-360 318 got 360 heads and the q-jet I look for mid 70s chebby q-jets and take the mopar throttle lever off the smog mopar q-jets tac weld it on the chebby carb for a older non emiss q-jet strip them down and tune them with good results they get good mpgs and have a nice kick to them when hitting the throttle the chebby carbs cost about 10$ for a kit to freshin up compaired to 20 30 $ for a smog mopar one the how to tune q-jets by carl monroe (sp?) is a good read and will show you how to strip and tune one for performance I got a lot of poeple asking..do you have a chebby engine in your truck??? cant miss the sound of a q-jet when it opens up the back barrels and chits and gets
Last edited by scratchnfotraction; 09/04/10 09:03 AM.
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Re: Quadrojet on a Mopar?
[Re: scratchnfotraction]
#792200
09/04/10 10:26 AM
09/04/10 10:26 AM
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Joined: Jan 2003
Posts: 10,644 S.E.Ohio
Magnumguy
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,644
S.E.Ohio
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I had an 87 D150 w/360 and a q-jet. Man, it rocked, very much like a t-quad. Took it off and replaced it with a brand new edelcrock. I HATED that carb (the E-crock). Tony, I'll trade you that q-jet for a t-quad. I have a bunch of them laying around.
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Re: Quadrojet on a Mopar?
[Re: scratchnfotraction]
#792205
09/04/10 01:16 PM
09/04/10 01:16 PM
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Joined: Jan 2003
Posts: 397 Ozona, Texas
Paladin
enthusiast
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enthusiast
Joined: Jan 2003
Posts: 397
Ozona, Texas
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Scratch,
I think they are the best street carb out there when you figure cost, availabilty, spare parts, efficiency, and adaptability. I have run Q-Jets on many of my Mopars over the years.
Once you learn how to work on them, they are not as near as complicated as most people think. Thermoquads aren't bad, but I personally prefer the Quadrajet.
By the way, did you know they used them on Fords, also (429 SCJ)?
May God bless America,
Paladin
Last edited by Paladin; 09/04/10 01:17 PM.
1971 Dodge Charger R/T 1977 Chrysler Cordoba A35 1979 Dodge Lil� Red Express 1981 Chevrolet Corvette 1985 Chevrolet Corvette 1986 Chevrolet Corvette Roadster 1994 Lincoln Mark VIII 1998 Dodge Ram 2500 Sport V10
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Re: Quadrojet on a Mopar?
[Re: Cudajon]
#792207
09/04/10 01:40 PM
09/04/10 01:40 PM
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Joined: Jan 2003
Posts: 5,449 Woodbridge,CA
NAS Backyard
master
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master
Joined: Jan 2003
Posts: 5,449
Woodbridge,CA
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I just gave away my T-Quad to a buddy for a motorhome he needed to smog and sell. It worked OK but I never got the WOT throttle response I wanted. I just picked up a 67 Buick 430 Q-Jet from Pick-n-Pull for my 440. I'm going to play around with it and see if I can make it work.
1970 Challenger Ragtop 426 4 speed
1961 Olds 88 2 dr Sedan 394 4 speed GVOD
1968 Pontiac Firebird 428 4 speed
2000 Ford F-150
2002 HD Roadking
1961 Licence Plate collection
1995 Buick Roadmaster
www.nogreenautolaws.com
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Re: Quadrojet on a Mopar?
[Re: wedgeheaded]
#792211
09/04/10 03:50 PM
09/04/10 03:50 PM
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Joined: May 2003
Posts: 15,487 Florida
scratchnfotraction
I Live Here
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I Live Here
Joined: May 2003
Posts: 15,487
Florida
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best way to mod a GM q-jet it to grind the end and remove the GM throttle lever and tac weld a stock mopar q-jet throttle lever on that way it works with the correct stock mopar linkage from mid 80s trucks and 4-v cars the ones I look for start with a 704XXXXXX carb numbers the 1704XXXXX ones are ok too but I like the older 327 Gm carbs for a swap to a 318,just about the same i think I got a 74 q-jet from a truck with a stock 360 intake on the shelf I swap back and forth with the eddie LD4B/600 carb just picked up a thermobog thats an early non emissions looking one not many vac hook ups to it I needs to resarch that one some i say run what ya brung
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Re: Quadrojet on a Mopar?
[Re: GO_Fish]
#792213
09/04/10 05:32 PM
09/04/10 05:32 PM
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Joined: Jan 2003
Posts: 3,316 Great White North
Wheeler
Master
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Master
Joined: Jan 2003
Posts: 3,316
Great White North
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1984 was the last year for the Carter Thermoquad carb. In 1985, Chrysler switched to the Rochester Quadrajet for all 4bbl applications. The following vehicles were equipped with Rochester Q-Jet carbs: 1985-1988 Dodge Trucks and B-Vans with the 360 4bbl 1985-1989 Dodge Diplomat/Plymouth Gran Fury police cars with the 318 4bbl About 8 year ago, me and a mechanic friend did a 4bbl swap on my 1985 Dodge D150 truck. The truck had a 318 V8 with the factory 2bbl. We ripped out the 2bbl and installed a used Edelbrock Performer intake and a reman Edelbrock Performer 600 cfm carb. The Edelbrock ran OK but it had numerous issues and I wasn't happy with it. I had a Rochester Q-Jet carb that was originally on a Dodge Truck 360 V8. I had the carb rebuilt by a local rebuilder and put it on the truck. Gas mileage, power and overall driveability went up. The truck would start instantly - cold, warm, hot. The Q-Jet is a great carb - providing you have a good carb to begin with and it is rebuilt properly. If you a looking for a spreadbore carb, a rebuilt Q-Jet would be the way to go. IMO, the Q-Jet is a much more reliable carb than a Thermoquad. Unfortunately, Thermoquads don't age well and can be incredibly tempermental - especially the later ones equipped on Lean Burn/Electronic Spark Control engines.
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