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  1. jbc426

    Wiring up for 110A Alternator question.

    I think cable sized are to small of a gauge for that current load at that distance. Using a 12V distribution lug mounted under the hood can help you manage your charging and starting circuits easier. I use a modified MADD wiring schematic including the remote voltage sensing at the battery...
  2. jbc426

    What are you using for a trunk mounted battery?

    I'm switching to a trunk mounted position this week. I have been using 0/1 gauge welding cable because of it's tough covering. I also use rubber hose to protect any abrasion or contact points. I also use like-sized ground cables from the battery to the block and chassis. Are you running a...
  3. jbc426

    Torque Converter Stall Speed help.

    Buying a top-shelf torque converter properly matched to your combination by an expert in the field is one of the best investments you can make in a car with an automatic transmission. My most recent purchase of a Circle D torque converter was this past week. The main issue the tech was...
  4. jbc426

    Torque Converter Stall Speed help.

    I'm running a stroked 5.9 Magnum with a Precision of New Hampton 3800 stall 3 disc lock-up converter into a Stage 2 Extreme Automatic's 2004R. The lock-up feature can only be activated in 4th gear, and their high quality converter is very efficient. It only drops about 350 rpm between the locked...
  5. jbc426

    5.9 magnum flywheel for factory MPFI

    Why not run OBDII out of the gate?
  6. jbc426

    5.9 magnum flywheel for factory MPFI

    I'm going through a similar situation, and the dual sync is plug and play with the Holley Terminaor X Max with CNP ignition I'm running this time. I assumed the signal it puts out via Hall Effect Sensors could be used instead of the factory crank position sensor. I didn't look at the wiring...
  7. jbc426

    Are all 5.9 Magnum flex plates the same? 904 install issues.

    The 5.9's use a weighted flexplate, while the 5.2's use a nuetral balance flexplate. If you are running a stock bottom end, use the 5.9 flexplate with a nuetrally balanced torque converter. Be sure to check the for & aft converter freeplay so the torque converter doesn't bind or have too much...
  8. jbc426

    5.9 magnum flywheel for factory MPFI

    You could also, forget about the flex plate, and use a dual synch distributor to trigger your EFI.
  9. jbc426

    727 Flexplate/TC for a Magnum

    If your stroker is neutral balanced, you can use a 5.2 Magnum flexplate.
  10. jbc426

    Flexplate and TC for a BluePrint 408 Magnum

    The 5.2 Magnum is neutral balanced, where the 5.9 Magnum is not. One of the torque converter bolt holes must be offset ground slightly to line up.
  11. jbc426

    What Oil Pan for QA1 Suspension Kit?

    Aren't truck pans rear sump?
  12. jbc426

    Bypass ampmeter through bulkhead

    I typically just bolt both sides of the amp gaug connection to a single lug on the gauge. In many cases, I add a volt gauge or have the gauge converted to a volt meter.
  13. jbc426

    Rear shackle hanger bushing question

    Don't forget to lube all the bushings up inside and out with Synthetic Disc Brake Grease. It greatly reduces suspension sticktion, squeaks and corrosion, and won't attack rubber or synthetic components.
  14. jbc426

    Early A-Body Convertible Top Replacement

    I tried it once and gave up. I don't have the skills for that type of work. I later paid a guy who specializes in top replacement, and had him use German Canvass and a glass rear window. It looks way better than the vinyl, in my opinion. I also installed Crackled back's top relay wiring kit...
  15. jbc426

    High end audio alternator

    Make sure you use the correct gauge cable for both positive AND negative from the alternator, feed your amps through relays hooked directly to a 12V+ distribution lug that doesn't go through any bulkhead connector, and use a big, AGM battery, which acts like a massive capacitor to power through...
  16. jbc426

    [Found!] PAXTON STYLE SUPER CHARGER

    Chris over at Performance Injection Equipment has a nice kit available in two performance levels. I'm using his Stage 2 kit on a Magnum based 408" motor that dynoed last week at 820hp on 11 psi. SHOP
  17. jbc426

    It’s EFI Super Victor day

    ....or, more!
  18. jbc426

    Bypass regulator expert?

    The regulator uses fuel pressure to either bypass or not beyond a certain adjustment setting. There is no electrical function in the regulator. Most fuel systems don't have a one way valve to hold previously pressurized fuel in your high pressure side of the fuel circuit. My factory Magnum JTEK...
  19. jbc426

    Bypass regulator expert?

    Do you have a full bypass return or a deadhead return set-up? See here for more info. https://www.vaporworx.com/resources/fds/1-fuel-delivery-101/
  20. jbc426

    Rowdy /6 Timing Curve Recommendations

    My Slant 6 was a Doug Dutra built Super Six with an automatic. It liked 22 initial and 32 total. I also ran the vacuum advance on manifold vacuum, so that added to the dynamic timing at idle.
  21. jbc426

    Gear Vendors question

    Nothing crude about that finished adapter. I've only seen the square plate version that wasn't finish-cut like the one you've pictured, and opted for the bolt-on bellhousing route when I looked into doing this years ago.
  22. jbc426

    Transmission swap

    You have many options regarding which transmission to run. Here are a few among the many you could pursue once you decide how much floor/ chassis modifications you plan on making. https://extremeautomatics.com/index.php?route=product/category&path=89
  23. jbc426

    Gear Vendors question

    I don't like the crudeness and size of the Wilcap adapter and used a bolt-on bellhousing instead to fit a 2004R. I did have to modify the torsion bar crossmember, but not the floor pan itself. The 2004R swap is one of the best mod's I've done to my '68 Barracuda, and it's definitely the best...
  24. jbc426

    200R4 vs A518 vs Keisler A41 fitment

    The Gen 3 Hemi and the small block Mopar use the same bell housing. I just bought a Quick Time bell to adapt a 4L60 to a small block Magnum and several years of the 4L60's come with a bolt on bellhousing. Extreme Automatics adapter ring bolts onto the front pump cover of the 2004R allowing a...
  25. jbc426

    200R4 vs A518 vs Keisler A41 fitment

    2004R's can be built to handle a lot of power reliably, and could easily handle a moderately built big block. Using a bolt on bellhousing from either Reid or Quick Time to bolt on either a 2004R or 4L60 is only a phone call or a few clicks away.
  26. jbc426

    AM radio to Bluetooth.. or other ideas.

    You can just leave the stock radio alone and functional. If you want a really nice system, install a DSP(Digital Signal Processor) with as many amplified channels as you want feeding some quality speakers. The DSP's can actively cross over the frequencies to tweeters mid-bass and subwoofers. You...
  27. jbc426

    Overdrive transmission

    While the Wilcap engine plate does work, it is is an ugly solution that even when properly trimmed can get in the way of virtually anything passing near the bellhousing. It also moves the transmission farther back in the car slightly by the thickness of the plate. Using a Reid bellhousing does...
  28. jbc426

    Any companies selling complete small block overdrive transmission assembles?

    Depending on how much power you are planing on putting through the transmission with your 440, you may want to consider a well-built 4L60. I'm putting a supercharged 408 Magnum that should be close to 730 rear wheel horsepower in my '68 A-Body, and am planning on up-sizing my transmission to a...
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