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American Motors/1974 Gremlin x V8 (304)

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Expert: Kevin Pilotte - 10/22/2008


Question
Hi, my carburetor on my 304 is an motorcraft 4TA4 AA,
and I like to replace it with an newer one, what kind
of carburetor can I use, that I can just put on , and it will work
Lasse

Answer
You have basically 2 other choices.
1) Holley 600 w/vacuum secondaries. Been around for a long time. Dependable, cheap, can find used ones online, easily adjusted to match your engine requirements. They are prone to leakage at the gaskets and you need to know how to do the adjustments correctly to properly set it up. i.e. float level, power valve, etc.
2) Edelebrock 600. Based on the Carter AFB design. More expensive and harder to find used ones. I haven't used this carb, but have heard many good things about it. Easy to calibrate with different metering rods. Vacumm scondaries. Reliable. Doesn't leak like a Holley.
Unless your 304 is REALLY modified, you won't need anything bigger than a 600 cfm. If you have an automatic, be sure to get vacuum secondaries. DO NOT get a double pumper.
Good luck.

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Kevin Pilotte

Expertise

I can answer many technical questions relating to AMC vehicles prior to 1979. I also have experience with Rambler & Nash vehicles.

Experience

I am a former AMC technician, service writer and service manager. I have worked in AMC dealers in Illinois in the 70's. After college, I was a Field Service Rep for American Motors Sales Corporation, working out of the Chicago Zone office. I traveled to AMC dealers assisting in the diagnosis and repair of AMC vehicles. I was also the Area Training Manager for DeLorean Motor Company. I have 10+ years as an Automotive Instructor. I have modified and restored
numerous AMC vehicles. I have been working on AMC vehicles for over 30 years.

Organizations
I have been an ASE Certified Master Technician since 1975. This includes L1. I am also currently a Toyota Certified Master Diagnostic Technician.

Publications
I have articles in "American Motoring", the official publication of the American Motors Owners Association. They are the largest AMC club in the world.

Education/Credentials
I have a certificate I printed out from a website.

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