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  1. Cuprum-74

    360 magnum swap into 82 d150 questions

    Remember keep in mind that the 5.9 magnums are still externally balanced.
  2. Cuprum-74

    Best magnum MPG?

    And yes to answer your immature question the Aircraft was built from the late 60's. And the turbine jet motors were built from the 80's. The reason I brought that up is make sure you know that I'm no rookie to mechanical work since you're fluffing yourself up with "Hey I've been rebuilding carbs...
  3. Cuprum-74

    Best magnum MPG?

    Yes and no. 650 AVS is a very good carb. Easy to tune and great aftermarket support. I've tuned mine to get around 17 mpg. Which is pretty damn good considering the fact that I have 3.55 rear ratio, 3 speed automatic (non-lockup) and an airgap manifold. 17 mpg at 70 mph at 3200 rpm's at 4500...
  4. Cuprum-74

    Best magnum MPG?

    I dunno I can rebuild a core for Around $100 which is a heck of lot better than "under $1000" plus it's simple to use. FI doesn't magically get you 5-10 mpg over a well tuned carb. I've seen plenty of well tuned carbs get well over 20 mpg. Its called overdrive, gear ratio and proper AFR. I...
  5. Cuprum-74

    Best magnum MPG?

    *Yawn* Here we go again... I have talked to numerous people and have actually seen the results of a properly tuned Thermoquad. Sorry I'm basing off of what I've SEEN vs. ones OPINION. The only reason people have problems with the plastic body of the TQ's is because of heat from the lean burn...
  6. Cuprum-74

    Best magnum MPG?

    Well: 1. Its a spreadbore. 2. Its one of the most misunderstood carburetor. Each person I come across who knows how to work these things have stated that they are the ultimate street carb. 3. They reported to have better mileage than Edelbrocks and Holleys. 4. A lot of Chevy fanatics are...
  7. Cuprum-74

    Best magnum MPG?

    Tune that carb right and you will see that easily especially with a 5 speed. Edelbrocks can be tuned for decent mileage. I used an AFR gauge with mine. I'm using a more advanced version of your 1406 (#1806 650 AVS) I get 17 mpg on the freeway with my Duster but it has a non-LU A999 auto. (I get...
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