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  1. MikeB

    Temp Sending Unit

    Always a good idea to check sender resistance in hot water at a few temperatures (like 100, 150, 180, 212)because I have found them to vary significantly among brands. I just got a new G1852 for my 69 C10, and had to add a 15 ohm resistor in series with it to put the needle in the middle of the...
  2. MikeB

    Temp Sending Unit

  3. MikeB

    Temp Sending Unit

    RockAuto shows 1985 sender for gauge is AC Delco #2134793 1973 uses AC Delco #G1852 You might also want to check out the AC Delco parts catalog here: https://parts-catalog.acdelco.com/catalog/catalog_search.php
  4. MikeB

    Camshaft input from experience.

    Sounds like a good combo. I'd bet you've had at least a few guys ask why you're not running a 750!
  5. MikeB

    Camshaft input from experience.

    A cruiser with a 3.42 axle, tall tires (28-29"?) and and an OD trans with lock-up converter would like something around 215-220 degrees @ .050 lift, and a 112-114 LSA. You don't want to be running down the highway at 2000 RPM or less with a cam like the ones recommended above. With 10:1...
  6. MikeB

    350 small block with m12 crank bolt?!

    Yes, that's the only thing I can think of. It would strange, but using a new 12mm bolt may be the way to go. I don't know what else can be done other than replacing (or possibly repairing) the crank.
  7. MikeB

    What you reckon it's worth? 76 GMC Sprint

    I know a guy who recently sold a decent one, running and driving, for around $12K. Interior needed a little work and original paint was worn. This one looks to be worth less than half that much if you sell it as is. If you can get it on the road and replace the missing trim piece under the...
  8. MikeB

    Differential gear conundrum

    I recently used this stuff instead of a gasket. Be sure the follow the instructions. After applying to one side, you let it set for an hour with the cover bolts just hand-tightened. Then you torque to spec and wait a day before adding diff lube. Not great for someone in a hurry, so shops...
  9. MikeB

    SAE or synthetic

    Well, there is plenty of info on the web about 5w-30 conventional vs. 5w-30 synthetic at very low temperatures. The test below was done at -40C (which happens to be -40F). So, yes, that's not something we're not likely to encounter in most places in the US, but I suspect 5W conventional oil...
  10. MikeB

    SAE or synthetic

    An advantage synthetics have is they flow much better on cold start-up. Very important in cold climates. Also, it's NOT a matter of SAE vs. synthetic. It's conventional vs. synthetic. SAE is Society of Automotive Engineers. So even Mobil 1 can be "good old SAE oil." That said, I use...
  11. MikeB

    removing rear leaf packs eyebolts and U bolts without a torch

    Yes, and then use an impact wrench and black sockets.
  12. MikeB

    Bouncing speedometer

    I've always found that graphite cable lubricant will fix the needle bounce, unless the cable is very old, kinked, or installed using a very tight turn. Even a brand new (especially imported) cable might be dry. I saw grease and oil suggested in another forum. DO NOT use those.
  13. MikeB

    How quick is your Square?

    Wow! Engine specs, trans, gearing?
  14. MikeB

    How quick is your Square?

    That's a good thing, right?
  15. MikeB

    Dual carburetors on 250 I-6?

    I replaced a tired 250-six and 3-speed manual in an 82 C10 with a 350/TH350. Trans crossmember stayed in the same location and driveshaft didn't need to be modified. Same would be true for a Muncie, and I assume a Saginaw 4-speed as well. AutoGear sells an all-new Muncie replacement with a...
  16. MikeB

    Dual carburetors on 250 I-6?

    Thanks Mike, ill keep it in mind! However, I have since ordered the 4bbl Clifford intake (with the adapterl and a 2bbl Weber. I hope this will give me the performance I can use, as well as finally solve the s#!tt¥ carburetor/intake setup that has plagued my truck with issues pretty much since I...
  17. MikeB

    Dual carburetors on 250 I-6?

    Back in the early 90s I had a very basic 81 F150 with the 300-six engine. Later bought an 81 C10 with a 305 for my son. I have to say the Ford had better throttle response, was more fun to drive, and a heck of a lot easier to work on. Of course the Chevy 305 was hampered by, wait for it, a...
  18. MikeB

    Dual carburetors on 250 I-6?

    duplicate
  19. MikeB

    Dual carburetors on 250 I-6?

    A 4bbl manifold with a Holley 390 vacuum secondary carb, or even an Edelbrock 500, would not be overkill at all. The small primaries are good for crisp throttle response and the secondaries open no more than required by engine demand. And you won't have to mess around with rare multiple carbs.
  20. MikeB

    What glass setting tape for vent window? (No LMC)

    I have used two-sided adhesive tape designed for attaching side trim. Use lots of Windex on both sides to keep things slippery so you can maneuver the tape and glass into place.
  21. MikeB

    Ring and pinion swap

    Carrier "break" for 8.5" 10-bolt is 2.56/2.73. That means 3.73 gears would work with your carrier even if your truck had 2.73 gears. Simply google it. Also, I would opt for a crush sleeve eliminator kit (spacer+shims). That way you don't need to torque the pinion nut to 300 lb/ft or more to...
  22. MikeB

    Opinions on an Engine Swap for 81 C10

    I'd go with option #3. I ran the basic 350/265hp Goodwrench engine in a 69 C10 for several years, and it worked great with an Edelbrock #1406 600 cfm carb and dual exhausts. It made good torque at low-mid RPM and got decent fuel mileage. I also put them in a friends' vehicles -- a 55 Chevy...
  23. MikeB

    Lowering kit is lower than expected... issues!!

    Hopefully, but they won't help if the tires are rubbing the fender lips on turns. That's an expensive fix! 1-inch taller springs would solve both the inner fender and fender lip problems.
  24. MikeB

    Mutha trucking Vintage Air

    Start video at 10:45 to see control panel installation.
  25. MikeB

    carburetor size on a 350

    Yes, but the Q-jet primaries are tiny for great throttle response, and the secondaries open just enough the satisfy engine demand, which is not 100% open on a 350. That was the beauty of those carbs. You could probably put one on a 265 and it would work just fine running around on the tiny...

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