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  1. xm20k

    Rear brakes locking up information for you

    Ya well mine has a pressure switch for brake lights so mehh. :laughing1:
  2. xm20k

    Rear brakes locking up information for you

    They do have an adjustable combo valve as well but its twice as much. https://www.summitracing.com/parts/wil-260-11179
  3. xm20k

    Rear brakes locking up information for you

    There is also this option. But requires you do some fiddling/testing. https://www.summitracing.com/parts/wil-260-8419
  4. xm20k

    Did I ruin this pinion bearing?

    We have three massive crushers that run those spherical bearings the drums are 4'x4' and weigh upwards of 5-6 tons each. I'm an equipment operator (crane, front loader, bobcat) but I also do a majority of the maintenance and repair work.
  5. xm20k

    What new tools have you got lately?

    Forgot I picked up a Craftsman socket set recently for work (company paid for it), so I didn't have to cart my stuff back and forth haven't had any complaints other than the laser etched on sizes are a pain to see.
  6. xm20k

    What new tools have you got lately?

    I've never had to have any of my stuff repaired or replaced so far, fingers crossed I don't have to.
  7. xm20k

    What have you done to your square lately??

    Same. As much as I hate electrical work, I was kind of glad mine was as hacked as it was it gave me an excuse to just replace it all. Both under dash harness with modern box/fuses and engine harness after I pulled all the unnecessary junk out.
  8. xm20k

    What new tools have you got lately?

    My stuff is all SK and there used to be one shop here that carried their stuff, but they closed during the bug and never reopened so no idea where I'd warranty anything, not that I've needed to in the past 25 plus years.
  9. xm20k

    Did I ruin this pinion bearing?

    Pinion in freezer and tap away or a press if you have one, those are easy Try installing one of these monsters onto an assembly that weighs about 5 tons, god I hate my job some days. BTW that bearing goes into a block that weights about 300lbs so it can move fore and aft and then that block...
  10. xm20k

    TH400 build

    I've seen a lot of tail housings broken from driveshafts can't say I've seen one break a bell that must have been spectacularly catastrophic. Last bell I saw break was from the engine trying to climb out over the fender when the mounts let go. I don't work on as many as I used too after moving...
  11. xm20k

    79 GMC Street Coupe - Stock Drivetrain

    350 2 bolt tH350 with 9" output/tail housing 12 bolt rear bigger brakes front and rear Not sure on gears but mine was 3.45 if I remember correctly. Also bought from Washington
  12. xm20k

    What have you done to your square lately??

    Got her ready for winter, checked the antifreeze concentration, pulled the battery, covered the tunnel ran with a heavy-duty yard bag, and put a cover on it. just in time as it snowed here last night.
  13. xm20k

    TH400 build

    Think of it like this cost of rebuild add a case because it's toast 3-400 all you find is ones with the bell removed or the wrong bell, BOP for a chevy or vice versa now add the cost of an aftermarket bell 3-400 so 6-800 on top of the rebuild, labor, etc. Aftermarket cases are around 2 grand...
  14. xm20k

    TH400 build

    You'd be surprised how many stock street cars/trucks eat the lugs out of a case and yet don't break or burn up anything else. It's why I currently have the guts from 2 sitting here, cases chewed up but internals all like new. One was a BOP case the other a Chevy.
  15. xm20k

    20’s backspacing

    Not running 20s now but when I was. 4/6 drop Front 20x8 4.5" BS with a 245/40 20x10 5.75" BS with a 275/40 Tires looked pretty equal in the wheel openings ie. top of the wheel opening at about the same height on the tire front and rear.
  16. xm20k

    Is anyone having any luck buying a vehicle from Craigslist/Facebook Marketplace right now?

    Around here it's not uncommon to find squares listed for high 4 low 5 digits that are absolute garbage, Bondo over everything and blasted with tractor paint, look it's shiny its worth 8-12k. My favorite one was a K10 that had a sale sign with 14k. OBO, because square, 4x4, short bed and shiny...
  17. xm20k

    TH400 build

    Technically that trans will now fit even more applications as the bell can be swapped to bolt up to the back of a ton of non-GM engines. Also, the bell is the failure point on the TH350/400 transmissions were as the powerglide it is the case that tends to pop first. Any trans I've ever built...
  18. xm20k

    Manual choke won't work right on 79 Rochester 3GC carb

    Due to the conversion of an automatic choke with high idle on a factory carb you have four options. Source the original parts and put it back to stock. Some of these parts may be hard to find or of questionable quality. Here and/or ebay may help. Replace the entire carb with an electric choke...
  19. xm20k

    Need engine help!! At my wits end

    The oil is on the back side of the valve. So, from that either valve seals, intake gasket not sealing allowing the cylinders on that side to suck in oil from the valley, or rocker studs not sealed allowing oil to be pulled from the valve train side. Most likely valve seals or intake gasket...
  20. xm20k

    Chain/Rope Hoist vs Lift (cherry picker)

    I have a 2-ton cherry picker converted from hydraulic to air and a 2.5-ton chain hoist that has both the chain and ratcheting arm to operate it. The hoist I can't use in the current garage not enough height but I do have an adjustable swing set style frame so I can use it basically anywhere as...
  21. xm20k

    Can anyone tell me about this step bumper? (Aftermarket?)

    Stock step bumper 2 stamped pieces to form the outer skin (face and diamond top) and three pieces of plate to make the internal box that the hitch and inner brackets bolted too. I pulled that heavy piece off of mine and swapped to a sport bumper, that is 2 stamped pieces the face and the plate...
  22. xm20k

    Heads and manifolds

    We ran single planes with nothing more than a carb and headers on stock small blocks. It would be a bit lazy just off idle but a cheap stall converter even a small one would help it not be as mushy on the bottom end because it'd allow the engine to rev up into 2000+rpm range bypassing the off...
  23. xm20k

    Trans fluid in 3 speed Saginaw

    Only stuff I know of made for old school trans with brass syncros. I haven't played with a Saginaw/Muncie/T-series 3 or 4 speed in probably over 25 yrs. https://www.summitracing.com/parts/ado-10-4014 https://www.summitracing.com/parts/ado-10-4113 Local tractor supply place may carry something...
  24. xm20k

    Biggest jobs you have completed in the shortest amount of time.

    I've built complete engines and transmissions in an afternoon but that means I have all the parts on hand. My powerglide for instance was 4-6 months waiting on parts but a 2-hour build. My 9" was an hour assembly a month of waiting on parts and an afternoon to install, my 388 was almost a year...
  25. xm20k

    1978 C15 Short Bed Step Side Leaf Spring Question

    Typical half ton springs are 4-5 leaf and overload if 7 plus an overload it probably has the heavy-duty chassis option or is a BIG TEN (don't think the steppers had the decal) or was modded by an owner that was trying to up the carry capacity. Forget what year (72 maybe) but by 80 drums were no...

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