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  1. MikeB

    Rear wheels are sucked in way more than front. K10. Adapters? BAD IDEA? pics inside

    If you don't like the recessed look, maybe you can find some rear wheels that are the same width but with less backspacing? Or wider wheels with the same backspacing. Keith may know the guy who invented the wheel. :)
  2. MikeB

    How much oil pressure is to much for a stock 350

    That's perfectly fine. I suspect the OP's engine will do the same. I've always been happy with 45 at highway speeds and and 15-20 at idle in gear. And that's about 60 or so on cold start-up. Oil weight will make a difference. If too much pressure is freaking you out, try 5W30 or 5W20.
  3. MikeB

    Fuel Hose OK ?

    Odd man out here. I've been using name brand fuel hose (like Gates) forever. I've also used SAE 30R7 and 30R9 EFI hose. Both types have served me well for many years with no ill effects. Found this: SAE 30R9 hose is designed for use with EFI systems that use hose clamps and have working...
  4. MikeB

    Turbo350 w/shift kit slamming 2nd gear

    Man, that's for sure! Seems like GM got it right the first time, unlike the 700R4 that had all kinds of issues up until when, 5-6 years into production? I have never run into anyone with a 700R4 in a pre-82 vehicle who didn't have some kind of issue with it.:confused:
  5. MikeB

    How do yall ground your Alternator?

    Actually, the threads will probably be M8x1.25.
  6. MikeB

    Turbo350 w/shift kit slamming 2nd gear

    Guess I got tired of wading through the muck that people were throwing at each other. Next time I'll just PM Nick.
  7. MikeB

    Turbo350 w/shift kit slamming 2nd gear

    Earlier I had asked a question about changing fluid and filter in a TH350 at 10 years/10K miles, even if the trans works great and the fluid is still pink. In return I got a question about the fluid type and modulator age. Answers are: I don't know the fluid type, and the modulator is much...
  8. MikeB

    Do I need an Alternator upgrade?

    Nevermind.
  9. MikeB

    New to Forum, long time owner

    Nice find, especially for up north!
  10. MikeB

    Factory charge wire gauge

    Yes, that would work. In fact, I once installed an EZ Wiring kit and that's exactly what they recommend -- a second wire for higher output alternators. Heck, American Autowire kits include 6 ga wire and 175 amp Megafuse! Haven't been able to figure out that math, but they said they came up...
  11. MikeB

    Turbo350 w/shift kit slamming 2nd gear

    I'll second that! Always wanted to rebuild one myself, but never got past the valve body, modulator, and playing with the governor. My truck's original TH350 is working well and doesn't leak, so I have no excuses to play with it! BTW, the trans fluid and filter were changed more than 10...
  12. MikeB

    Turbo350 w/shift kit slamming 2nd gear

    You hit the nail on the head about the issue being hole sizes. That was 20+ years ago, but some of it is coming back to me! Please explain how lazy shifts be firmed up with and without a rebuild? Thanks.
  13. MikeB

    Turbo350 w/shift kit slamming 2nd gear

    I once had a TH350 with a harsh 1-2 shift after I installed a B&M "Shift Improver" (ha!) kit. I called TransGo and their guy told me why the cheap B&M kit caused my problems. Ended up going with a TransGo 350-1&2 kit, which gave me firm but not harsh shifts. I've used two more of their kits...
  14. MikeB

    Factory charge wire gauge

    I don't know when GM went to metric wire sizes, but my 82 used metric wires with the size expressed in square millimeters. As I recall, the charging circuit wires were a 5, which is around 11 gauge. So you should use 10 gauge if replacing it. If you have a factory schematic, you will see the...
  15. MikeB

    Wiring Harness journal

    As for shrink tube, have you used the type that shrinks 3:1, or maybe 4:1? It's really nice. Also the type with glue inside.
  16. MikeB

    Wiring Harness journal

    I'm a little late to the game, but here's a good video (down the webpage a little) on how to crimp those Packard/Delphi terminals. Watch and listen to the do's and don'ts. https://americanautowire.com/products/double-and-single-crimper-set-510587 There a lots of less expensive crimping tools...
  17. MikeB

    how to hook up manual choke 1405

    What is your transmission type? If it's Turbo Hydro 350, then its "detent" cable will need to be attached to the bottom hole on your carb lever where a return spring is currently connected. Then it will need to be adjusted. Google "TH350 kickdown cable adjustment" and you'll probably find...
  18. MikeB

    Rear Brake Options 87

    Even the 2"x11" brakes with finned drums work very well. An optional brake package (JB5?) would have used 2-3/4" wide shoes. Keith would know for sure. Do use name brand shoes, and do not machine the drums. Problem with that is the shoe arc would be different than the drum arc, causing the...
  19. MikeB

    Do I need an Alternator upgrade?

    I think that 94-amp 12SI would be more than adequate for most applications. I've used 10SI (50-60 something amps) and 12SI 78-amp alternators in a few vehicles over the years. All had HEI, most had A/C, but no power windows, electric cooling fans, or high-powered sound systems. While GM was no...
  20. MikeB

    Water on drivers floor

    My 82 had that problem due to poorly applied seam sealer under the cowling. Over the years, the leaks rusted and ruined the fuse panel. I like SEM seam sealer. The nozzle screws on. One is included with the sealer, and you can buy a bag of new ones for cheap at Amazon. Water leak...
  21. MikeB

    Is there such a thing as Cams for Dummies

    Choose a modern cam with similar duration to stock, but with more valve lift. Of course you've got to find the stock cam's specs first. Also, forget "advertised duration", because it can be all over the map depending on how it's measured. Use duration @ .050" for comparisons. On another...
  22. MikeB

    10W-40 for Chevy 350

    https://www.compcams.com/11-32-umbrella-seal.html I had a self-inflicted problem where I pinched a couple valve stem o-rings many years ago, which let oil run off the retainers down the valve stems. These seals solved the "white smoke on startup" problem 100%. I think mine were Fel-Pro. They...
  23. MikeB

    Muncie 4 Speed In A Truck?

    There were 3 versions of the Saginaw 3-speed. The one with the lowest 1st gear (higher numerically) was sued in the smaller 6-cyl engines and couldn't handle very much torque. A version with 2.54 1st (less torque multiplication) gear was used with 305 and 350 trucks. As for Saginaw 4-speeds...
  24. MikeB

    What the He!! was I thinking?

    You're a brave man. I can't even begin to imagine the work required.:oops:
  25. MikeB

    Might have Over-torqued Rod Bolts 250 I6

    I seriously doubt 45 ft/lbs would have hurt the rods and required them to be resized. In fact, I'd say "no way". The only thing the little extra torque did was stretch the bolt some more. I'm surprised a bolt broke at only 5 ft/lbs over spec. It must have been over-torqued and stretched too...

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