Recent content by jbc426

  1. jbc426

    Let's see some cool evac systems.

    I used a bolt-on -12AN bulkhead fitting that I modified to fit in the valve cover under the sheetmetal baffle that comes on the Mopar Performance valve covers (baffle is not pictured in last photo). I cut it to clear the rocker arms and the baffle, drilled a bunch of holes through it and then...
  2. jbc426

    Blueprint 408 in '63 Dart?

    My older USCartool Chassis Stiffening kit came with tubular, front-under radiator brace and tubular under-fender braces that boxed in the shock tower upper mount. I also welded the shock towers to the inner fenders, as mine were pulling the spot welds through the inner fender and used the...
  3. jbc426

    Blueprint 408 in '63 Dart?

    Didn't see all the previous posts before posting. Looking good! Do you already have an 8 3/4 or Dana 60 and disc brakes on the car? Have you swapped in stiffer suspension? Which transmission are you going to run? Have you figured out how to upgrade your fuel and cooling systems? Are you...
  4. jbc426

    EFI diagnosis/ engine stumbles at 1/2 tank .

    Does this happen even if the car is being driven smoothly on level road with no motion that would cause fuel slosh? If so and it's happening earlier, it's not likely a cavitation issue. You should pull the sending unit and pump and check the lines for leaks with air pressure and soapy water...
  5. jbc426

    Air Gap hood clearance

    On my '68 Barracuda, it's one single compartment with water drainage openings under the fenders near the hood springs. I found a half-dollar-sized rust spot that was all the way through the paint in that area. I had to wire brush, treat and repaint it. Man, that rust repair business is no...
  6. jbc426

    Air Gap hood clearance

    https://www.ramairbox.com/parts.html Make sure you measure and check your angles carefully before ordering. I'm convinced it improved my performance measurably too. There's a significant amount of air pressure in the cowl, as evident by the blast of air that comes through the cabin vents when...
  7. jbc426

    5.9 Magnum Street Build - with dyno numbers

    Might be a good idea to dress the edges of the contact witness marks on that piston.
  8. jbc426

    5.9 Magnum Street Build - with dyno numbers

    Weeeell, I'm your huckel berry, so here's the dyno sheet from my 5.2.....It's in it's prime. :lol:
  9. jbc426

    custom dash layouts- Show us what ya got!

    Not about the custom dash part per se, but while you have everything out, take the time to throw a couple Bulk Pac's of Dynamat Extreme or similar resonation dampening mats on every flat surface. It isn't so good at keeping heat out, but it is great at reducing noise and panel resonnation. And...
  10. jbc426

    Soft brakes on 4-wheel disc conversion

    Not sure if this needs to be said, but that the larger the bore size, the more the pedal pressure will be required to produce the same line pressure.
  11. jbc426

    Oil be darn

    Dwayne Porter is a great source for checked out and ported heads. You can drop ship him a set, he'll work his magic, and send them to you done.
  12. jbc426

    Oil be darn

    Did you mention if you have headers or not? Grabbing a set of checked-out, CNC ported heads with larger valves would wake your motor up nicely without taking away too much if any bottom end. You can gasket match your intake to the heads yourself.
  13. jbc426

    Soft brakes on 4-wheel disc conversion

    No, it just cushions the initial shock wave to the rears brakes, but does not reduce the line pressure otherwise. The web page goes over the function of it nicely. It is not a proportioning valve, which can be nice when track/driving conditions change; but is often used as a bandaid for...
  14. jbc426

    Air Gap hood clearance

    I use a wad of aluminum foil on top of close clearance items to verify adequate clearance. I didn't have to run a drop base air cleaner on my '68 Barracuda hood, but it is very close to rubbing.
  15. jbc426

    Soft brakes on 4-wheel disc conversion

    Yah, the Disc/Drum Metering Block won't work with 4 wheel disc, as you know. I am using the over 1 inch bore MC on my power brake booster car (E-Body w/4-wheel disc), and it works nicely. I did have to go with the just under 1" bore on my manual brake set-up (A-Body w/ 4-wheel disc) to get the...
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