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  1. GTX63

    Carb Swap?

    The Qjet was the factory go to 4 barrel on GMs for 20+ years for a reason. Believe it or not, brand new they used to start with little more than a turn of the key and a single pump on the pedal. I buy my rebuild kits from Quadrajetpower.com. Edelbrocks are popular replacements because they are...
  2. GTX63

    Oil pressure sending unit on manifold 305

    That is the OE wire and factory boot on one of my k10s. The wire comes thru the bulkhead connector and into a loom. The video below might help. If you cannot locate the wire or it is gone, you can run a power wire from the oil pressure gauge terminal (sending unit side) directly thru the...
  3. GTX63

    New from Tennessee..

    Welcome from Fentress County, Tennessee.
  4. GTX63

    Spray vs Plastic Bedliner

    I've used both the DIY bed liner and had one sprayed. My opinion is that if your aim is to build a high end truck, don't do it. Don't put any sort of liner in. Or, throw a rubber bed mat in on the days you head to the home improvement store. If you are using your truck as a daily driver and you...
  5. GTX63

    Rear end gear ratio change or transmission change ?

    If you cannot get on the freeway, then without you giving us your current gear ratio, we would have to assume you are spinning 5K @ 65mph? Probably going to need a few more specifics to understand what is going on. Rear gearing if you know it, tire size and what you consider as highway speed...
  6. GTX63

    I just bought a John Deere tractor!

    Made before the corporations realized that stuff built to last forever meant fewer trade ins and repeat customers.
  7. GTX63

    Parts

    Welcome to GMSB Rocky top. If your handle is your locale, I am east of you by about an hour. I'll be heading over to Knoxville this Thursday and would be more than happy to haul off the radiator and air cleaner. You can PM me if you want.
  8. GTX63

    Myth or fact

    The 400 small block would be a good example.
  9. GTX63

    sbc 350 oil pressure from 60 to 5

    Not intending to start a debate, but if you still have the original Gen 1 SBC, you might consider avoiding weights below 10w40, unless it is specifically made for older motors.
  10. GTX63

    How much oil pressure is to much for a stock 350

    As for is it too high? I am aware of street/strip set up running 80 psi+.
  11. GTX63

    How much oil pressure is to much for a stock 350

    If you have the original set up in your 1977, your oil pressure gauge is mechanical, with a copper capillary tube running from the motor to the dash. If it is newer, it bases the pressure on the resistance of the sending unit, and runs thru contacts and circuit board, son it might be off a bit...
  12. GTX63

    Fuel tank to Gauge wiring

    No diagram but I can give you the layman's version. Fuel gauge issues are either A bad gauge A bad sending unit A broken wire/ground or failing circuit board Attached to the back of the fuel gauge are three male terminals. 3, 6 and 9 o'clock. The 6 o'clock is the ground. The 3 o'clock is the...
  13. GTX63

    Front Brakes Grabbing

    Just because, check your rear shoes for adjustment.
  14. GTX63

    Broken main bolt

    I wouldn't say the vintage car/truck market is dying. It may at some point become more of a niche, but all one has to do is look at all of the shows and drags across the country to know the square body market is alive and well. That and the prices for old iron. With the prices and regulations...
  15. GTX63

    What U-bolts are you guys buying?

    I would not advise reusing U bolts. Cutting them off saves a lot of wear on an impact gun when they are rusty and original. I have purchased replacements from O Reillys, Rock Auto, LMC without any issue.
  16. GTX63

    Busted Alternator Bolt

    For comparison, late model trucks are notorious for bolts shearing off due to rust and poor metal composition, ie LS exhaust manifold bolts. If a bolt shears off on an old squarebody truck motor, it was likely cross-threaded and the guy doing the cross threading knew to stop tightening just as...
  17. GTX63

    Broken main bolt

    The head bolts were garbage, and after sending the block off to a machine shop, discovered the main and rod bearings were poorly manufactured and out of spec. Yes, he was a newbie builder but that doesn't make the fault his. If a torque spec is 80 ft lbs and the bolt breaks at 90 or 100, it is a...
  18. GTX63

    Back in the fold

    I like those old Ford trucks from the 70s. There needs to be variety. My dad was a Ford and Mercury man, as well as his brothers. Somewhere along the line I went wrong and have owned nothing but Chevy and GMC from day 1.
  19. GTX63

    Loud Knock After Replacing Intake Manifold

    This is where you stop and confirm. Put everything else to the side. A piece of metal, even tiny, can wreck an engine. Run the camera thru the cylinders and look for damage. Or just pull the heads now. It is a couple hours and even if you do not find that nut, or debris, you can know what the...
  20. GTX63

    Lost my rear end.

    I had an 85 K10 with a rear end that was trashed. No bearings, and chunks of the pinion gear laying at the bottom of the housing. I bought another junk K10 for 1K and swapped out the rear end, so the motor and transmission, fenders, radiator and made my money back, plus I had the rest for spare...
  21. GTX63

    Chevy C10 "Build"

    Look at this truck before the guy towed it home and then after. Notice the types of parts and the methods he used to complete much of the repairs. Then guestimate how much you think he has in that truck.
  22. GTX63

    Loud Knock After Replacing Intake Manifold

    Upload a video of your engine running.
  23. GTX63

    Rear axle replacement

    I think the guy in this video was going to do a simple bearing swap until he discovered the rear end was total trash and probably 1 mile from doing the same thing your truck did. Without any bearings, that little C clip doesn't have much help.
  24. GTX63

    What motor is best for a swap on a K25

    Welcome to GMSB. I hope you aren't a one and done but your questions begs questions so come on back. Upgrade how? A used 305 that runs and doesn't smoke or leak oil is an upgrade over a used 305 that smokes and leaks oil. What specifically do you want and in what order? Durability...
  25. GTX63

    Plans for the summer.

    If you watch any of the "Will this 1931 GMC Chicken Truck Start and Run and Drive 1100 Miles?" type videos, a go bag full of tools and a co pilot is the norm. As long as you way point the O'Reillys, NAPAs, Auto Zones and Walmarts on your route, you always have safe harbors. Harbor Freight sells...

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