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  1. streetmachine

    Big Block Mopar Mickey Thompson Valve Covers or Mopar Performance Valve Covers?

    Hello. I'm just wondering what's the better valve cover out these two choices? I tried searching here but, didn't come up with anything. I realize sometimes newer is better so that's why I wanted to ask? These will be going on a 440 with cast iron heads and Holley Street Dominator intake. Thank...
  2. streetmachine

    Smog 440 Old School Modifications?

    Just tossing ideas around but, thought about building a Day 2 type build on a 1975 440 truck (RV?) engine. The mods I'm considering is some headers, intake, and carburetor change maybe? Has 68-69 HP Manifolds on it now and stock cast iron intake with EGR Valve even. Not looking to raise...
  3. streetmachine

    Magnum Valve Cover Gaskets?

    I have a set of Mopar Magnum Valve Covers that I'm going to try to install on a 5.9 Magnum with Edelbrock Performer Heads and LA style covers. I'll be asking some questions over time so I'll start off with the first question. I'm just wondering what a good quality thick gasket is to use with...
  4. streetmachine

    Oil Pump For Stock 440

    Hello. Just to revisit the topic I'm just wondering what would be a good replacement for the factory pump on pretty much stock '75 440 street engine with an automatic? The engine came out of an RV from what I can tell. I've seen conflicting information on high volume vs a high pressure pump. The...
  5. streetmachine

    8 1/4 gear change?

    Just curious as its an idea for in the future. I have a '79 Cordoba with a mild 360, A999, and 8 1/4 rear with 2.45 gears. One of my ideas is change the gears out in the rear to say something like a 3.21 or so gear to give the car a little more off the line and for a little fun. This car will be...
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