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  1. GMachineDartGT

    Inadvertently exceeded driveshaft "Critical Speed" at Willow Springs.

    We have had countless driveline issues in the shop with shafts made by "experts". Once we check runout in three places on the shaft, that usually tells a different story. We ONLY have Dynotech make our driveshafts period. I don't trust anyone else. My Dart has mild gears (2.94) and 1:1, but...
  2. GMachineDartGT

    Low Gear 727 with 3.23s

    You are correct! When I had my automatic, I used a 999 gearset (904 unit) with 2.94s and still ran 12.60s. I love poor mans overdrive. I run a 4 speed now with a 3.09 first and 1:1 4th, still with the 2.94s on the road course. Silky smooth with an alum driveshaft and stock driveline angle. Of...
  3. GMachineDartGT

    Need a Suregrip chunk. Stock, Powr Lok, or Tru Trac?

    Tru trac is super smooth. I use it on the road course. Power locks are rebuildable.
  4. GMachineDartGT

    Tremec 5 speed.

    Better off with a T5. The TKO series is the worst 5 speed I've ever used. The shifting and the QC is poor for the most part. It was never an original equipment transmission while the T5 was.
  5. GMachineDartGT

    Seriously at my wits end

    Whatever you do don't use silicone! We use a non drying product from perfect seal called #4. Much better suited for problem areas. I like silicone gaskets but sometimes Victor tuff cork gaskets work better with an old style pan.
  6. GMachineDartGT

    Resto Mod

    Probably add a detent in the shifter for drive - (3rd). Sound like the original D is now OD.
  7. GMachineDartGT

    2.94:1 gearset

    I run this gear with a 4 speed and my small block stroker. Great combo for torquey motor. The factory had it right as this was the combo with a 360 in a bodies.
  8. GMachineDartGT

    8.75 bearing install and assembly tips

    Press. Nice and easy. I hate hammers!
  9. GMachineDartGT

    742 pinion bearing preload ?

    The gears are probably shot too. Even used bearings should have 10-15 in/lbs rotating torque.
  10. GMachineDartGT

    pinion bearing preload question

    Forget about the seal. The drag is minimal. 25-30 lbs with new bearings.
  11. GMachineDartGT

    833 to TKO Conversion

    Wait patiently for the only real solution - Jamie Passon. None of these kits actually fit correctly without floor mods to bring driveline angles back to stock.
  12. GMachineDartGT

    where can I get heavy duty leaf springs?

    Do you want good or cheap. The board sways toward cheap. Eaton Detroit is an oe manufacturer of very high quality springs. Not the cheapest though.
  13. GMachineDartGT

    Help With Rear End Gear Pattern Check

    I'd get some gear marking compound so you can see the pattern clearly.
  14. GMachineDartGT

    200R4 update

    Just call Greg Ducato at Phoenix Transmissions in Weatherfield TX and get it done already.
  15. GMachineDartGT

    Which 5 speed do I get?

    I like the Passon unit, but I hope he releases it soon. I never liked the Tremec conversions. Between the conversion bell housings that are never straight, no starter support, to the driveline angles and propensity to leak, I'll wait for the Passon unit.
  16. GMachineDartGT

    Centerforce DF or McLeod Super Street

    I am using a McCloud dual friction. They are one of the few companies left that aren't owned my a conglomorate. So far clutch is great, slightly heavy on the pressure.
  17. GMachineDartGT

    Best Automatic OD trans swap for A body car

    I did not know Quicktime made automatic bells for the GM units? I have used one of their Tremec bells, and if that is any indication of the rest of their stuff - no thanks...Its my understanding that Keisler cast a bolt on bell for the 4L60E which is a neat piece.
  18. GMachineDartGT

    Best Automatic OD trans swap for A body car

    I hate to say it, because I am not a fan of Keisler kits, but their automatic (4L60 GM) unit fits nicely due to its slender size. All the other options require surgery, and if you are retaining T bars, often results in a less than professional looking installation.
  19. GMachineDartGT

    Driveshaft length.....again.

    Why doesn't anyone have a factory service manual, its all in there...Mine doesn't cover the later 8.25 vehicles though.
  20. GMachineDartGT

    more pattern help (new pix)

    I disagree. The pattern is clearly better in the first 2 shots. I'd be trying a .035. I do agree with the B/L, shooting for .007.
  21. GMachineDartGT

    more pattern help (new pix)

    .003 is enough to make a difference. Looks like you will need to add shim to get the pattern centered within the tooth. Right now you are running off the tooth on the inside of the long side of the tooth. This is called the face. The opposite side is called the flank. If you want more info, go...
  22. GMachineDartGT

    more pattern help (new pix)

    Pinion shim is wrong. Pattern needs to be centered on the tooth betweem face and flank (long sides). Your patter is running off the face of the tooth. Pinion shim should be similiar to the orig one, probably 30-35 thou.
  23. GMachineDartGT

    700R4 GM in a Swinger?

    What does the Quicktime Bell use to locate the snout of the starter?
  24. GMachineDartGT

    victorreinz pan gasket

    Good pieces. They also come with OE seals.
  25. GMachineDartGT

    Who makes a good transmission????

    Another thumbs up for Cope - CRT. I would dream of a TCI rebuild. Looks like a spray paint rebuild to me with a crummy chrome leaking pan. I've had 2 customers with them and I'm not impressed.
  26. GMachineDartGT

    700R4 GM in a Swinger?

    Phoenix is very reputable. In fact, Greg (the owner) runs a 4L60E behind a potent sb stroker in his e body. Granted, the 700R4 is a less evolved version, and not electronic, but basically the same thing. One of these units is a good idea as they can be built to take up to 500+hp as offered by...
  27. GMachineDartGT

    Shift points at WOT..

    Purchase new governor weight from A&A. They are the only ones who make it that I am aware of.
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