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They are poo poo dog cams. Unless you have a3k stall, 3.91's 10:1 (or better) good exhaust (headers)RPM intake (or like), good carb they are dog cams. They don't pull until 3k or better, make no power down low. If you have all the above they will work pretty good however they are not a good street cam. They have terible idle quality and pull zero vacuum.

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Great assessment.

Just not ACCURATE.

Have you ever actually ran a 484/284 in a car? Give us the specs on the engine.

I've ran a ton of them, my Demon had the P4120235...

LESS than 10.1 to 1 compression
Pulled VERY good down low. (with a tunnel ram and 2x4bbl too)
Made tons of low end power.
Idled solid as a rock in neutral and in gear.
EXTREMELY drivable, it was a great package.
Pull "zero" vacuum? Get real, my Demon had POWER BRAKES, it never had a hard pedal in the 10 years I regularly drove it on the street.

The car was fairly well known as I had it out all the time, in the middle of winter in 6" of snow even. I drove it year round for close to a decade. My wife went shopping in it quite a bit.

Could it be you guys who don't like the MoPar Performance stuff are setting up your cars WRONG, then blaming the parts instead of the tuner..?


Take a look- 484/284, tunnel ram, two four barrels and it passed AirCare emissions testing without detuning at all every single year, from 1991 until 2000.

I raced alot of cars in that time in the lower mainland of B.C., ask around how poorly my combo worked, most people asked if the car was a roller cam, and we would all laugh.

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yes i have. Will the car run? sure it's a 440. last one was a67 coronet 9:1 440 906 heads with a little work, 2200 convert, headers, CH4B intake 750 Eddy car and 3.55's it was a DOOOOOOG. Put in a Summit 488 cam and it ran great. The old style 484's and 509's like to run form 3k up. I also had a 69 Charher w/ a stock 73 440 that somebody put a 509 in...doooog.
Glad yours worked. what gear? what stall?

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