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  1. J

    Tire size confusion.

    My 73 has 16.5, regular rims. Last year, only one tire shop was willing to order them for me. Probably will have to switch to 16s nest time I need new tires. J. B.
  2. J

    What year box do I have?

    You have a 74 - 77 or so bed. If the 2nd pair of bed to frame bolts is much further apart from the 1st pair than the 3rd and 4th pair are, then you have a 73 bed. The original 73 bed floor was one year only, but you no longer can get replacements for that year. You have to drill your frame to...
  3. J

    What year box do I have?

    The late 76 - 87 tailgates are all physically interchangeable, even though they are a little different, but if 80s tailgate is used on a late 76 - 80 or so with trim, the bottom tailgate trim piece will not line up with the lower bedside trim pieces. J. B.
  4. J

    Engine lag

    Ticking sound? You might have a sticking intake or two, in addition to vacuum leaks and/or partially plugged idle/low speed circuit in the carb. J. B. .
  5. J

    Engine stumbling/stalling in drive

    If your vacuum advance receives ported vacuum, you probably won't have much if any vacuum going to it at idle, but if it receives manifold vacuum, you will receive enough to advance the timing about 5 - 7 degrees at idle speeds, maybe more. J. B.
  6. J

    82 Sierra Grill alternatives

    If you can't find a replacement grille, you can try the Hot Rod stainless grilles that you can get through Brothers, LMC, etc. Beware that they don't have any place to put an emblem though. J. B.
  7. J

    Coolant Hose Popped Off the Thermostat

    You saw steam, not smoke. Your radiator cap might be frozen, so that the center plunger can't be pushed upward by excess water pressure. Liquid can't compress, so excess volume has to go somewhere. Good think you didn't crack open any part of your radiator.
  8. J

    Olds 350 diesel to sbc swap

    Too bad you have already done the work. I would have suggested that you replace the heads and intake with Olds 350 gasoline heads and intake. That 350 diesel, as bad as it was, is indestructible when converted to gasoline. J. B.
  9. J

    Olds 350 diesel to sbc swap

    If it is only a few gallons, it won't hurt. Just fill it up with gasoline. After you run one tank of gas through it, it will be free of all diesel. J. B.
  10. J

    Changing gear ratios: opinions/suggestions wanted!!

    If you really use it as a 4X4, I would go with 4:10, but otherwise 3:73 is better with an automatic. If you have a 454, then I would go with 3:73 if you really use it, otherwise something around 3:50 would be better. Automatics will allow you to pull taller gears than a standard trans will. J. B.
  11. J

    Look mom, no cats!

    Sharp!
  12. J

    Can I use this hole for filling oil?

    You are NEVER supposed to go 10,000 miles between oil changes, unless you really like frequently rebuilding your engine. J. B.
  13. J

    Building a new motor for my 79 C10 - would love some advice!

    Depends on what you are going to use it for and what kind of power you want. I first would think about the differential gearing. Your truck is not light, so I would stay away from super-tall gearing. It may increase mileage out on the open road, but it hurts acceleration. If you have a...
  14. J

    Collapsed upper radiator hose

    You need a new radiator cap. Also, see if you can buy hoses with a spring inside. That spring prevents collapsing. J. B.
  15. J

    Who is or has run a 307?

    I once drove a 70 or so Nova with a 307, and that car FLEW, even with PG, much faster than a 73 or later 350, as tuned for best performance, not emissions, but you are right, they were not really cammed for high performance.
  16. J

    Who is or has run a 307?

    There are communities that have a limit on non-op vehicles, especially those in an HOA. One of your neighbors probably called in on you. J. B.
  17. J

    Daughters ‘87 needs to ride smooth.

    As her truck is 2WD, the front springs should be pretty soft for a truck. The rear springs, if you want a smooth ride, should be 4-leaf packs. If it has 7 leafs each, you need to swap them out for the 4 leaf packs. Also, use factory-spec tires, as they are fairly low pressure tires. That is...
  18. J

    Hello from the Netherlands

    Nice! Great looking Square! What kind of bike is that? J. B.
  19. J

    Spark plug foul up

    Sounds like either bad rings or bad valve guides with missing seals. Maybe both. You can try one heat range hotter, that might do the trick until you rebuild the engine. J. B. J. B.
  20. J

    Windshield Wiper Intermittent Function

    Now I know where to start so I can fix mine. J. B.
  21. J

    350 sounds like a diesel engine

    Very often true, unless you catch it right away. J. B.
  22. J

    350 sounds like a diesel engine

    Sorry, typo. I meant crank pins are .030 undersize, but one has a .010 undersize bearing. It will be too loose and might make noise.
  23. J

    350 sounds like a diesel engine

    When you say "Sounds like a diesel", do you mean that it sounds like excessive clearance in the connecting rods? Loose piston pins? If the noise is right near the oil filter, I would check my connecting rods, starting with the rear-most rod. You could have one that overly large inserts for a...
  24. J

    Fluid Changes

    Same here. I refuse to use water-thin oil, as I want lubrication, not .1 more miles per gallon. J. B.
  25. J

    Idle Mixture Screws Do Not Adjust Anything on 1974 454.

    Slave labor.

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