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  1. 88sclb350

    Can’t seem to get all air out of rad

    Trying to bleed my cooling system and I bought one of those funnels that goes on rad cap but it was junk and just leaked everywhere the “Chevrolet” cap didn’t fit well. So I’ve been trying to just bleed it with the rad cap off, truck running, heat on high and blower on high, revving it up...
  2. 88sclb350

    Brake booster shot?

    88 k1500 5.7 and had this truck for a year never had a vehicle with vacuum boosted brakes so I don’t know. Basically my brakes have half of the pedals travel applying no brakes until the pedal is halfway down then I can feel the pedal actually applying the brakes. The brakes work ****** to...
  3. 88sclb350

    How to diagnose a bad clutch fan

    Truck is getting hot sometimes but I’ve done all kinds of cooling repairs and the truck runs good besides idling at a stop light on a hot day or going up my steep hill to my house. I’ve never heard my fan kick on which could be because they’re quiet I don’t know. But I’ve driven other vehicles...
  4. 88sclb350

    5W30 or 10W30, synthetic or traditional? Opinions wanted

    I’ve just heard so many things from different folks, read things on this forum and Reddit but I just want to raise the question again. I have an 88 k1500 350 with 150k on it. I’m not a great mechanic but to me it is about as good as you’d expect an engine to be in a 30+ year old truck with...
  5. 88sclb350

    Need help getting an entire parking brake cable setup

    Did a brake job on my 88 k1500. New everything besides cable. Well took it for a test drive today got back and my driver side drum was smoking when I got back. I heavily am leaning on bad cable because it’s rusted to hell and never used and for some stupid reason after doing my brakes and I...
  6. 88sclb350

    How do I know if I have a 4l60e or 700r4

    88 k1500 5.7 with D overdrive 1 and 2. Doesn’t look like stock trans or torque converter given how rusty all other parts are. How do I know if it’s a 4l60e or 700r4 and which one do I hope I have? Meaning which one is better and why
  7. 88sclb350

    Need a cheap exhaust system for my 88 k1500 5.7 and need help making sure I buy the right stuff

    88 k1500 5.7 with so many holes in my exhaust system from the y pipe down stream that I’m thinking of putting a new system on it. My truck isn’t nice but the 350 can still sound decent without a bunch of leaks. So I’m looking for a cheapo system for a not great truck just to make it sound a...
    • 88sclb350
    • Thread
    • cheap exhaust exhaust system
    • Replies: 8
    • Forum: Exhaust
  8. 88sclb350

    Bleeding proportioning valve?

    So did a rwal delete on my 88 k1500 5.7. Getting ready to bleed my brakes and master cylinder (because it ran dry due to my rear lines bursting through during last bleed) and I’m wondering if I need to bleed the proptioning valve as well or will that be bled as the rear lines are bled? I’ve...
  9. 88sclb350

    Are these flares good enough?

    Working on my 88 k1500 and needs new brake lines and I like doing work myself but never done brake lines. My step one of the flare does not seem to go down straight now matter how hard I try it ends up going off to one side. I lube everything up and be very careful to be level with everything...
  10. 88sclb350

    Body mount brackets worn down

    put new body mount bushings on my single cab long bed 88 gmt400. Cab is still sagging because the brackets are rusted out some but still attached to the frame solid. I can’t weld and don’t have a welder and to be honest don’t want to pay anyone to fix this cause it’s not the nicest truck I just...
  11. 88sclb350

    Seeing mixed answers on using a NBS master cylinder with an obs that has a vacuum booster

    Can I buy and install NBS master cylinder with the fitting that's also required right onto an 88 1500 with a vacuum brake booster, some places i see people say you cannot, some people say you should not. Looking to get a better brake pedal and was hoping to do this swap but now not sure if i can...
  12. 88sclb350

    Tired of these bad brakes and need advice

    1988 k1500 5.7l with read 10in drums and disc brakes up front and rwal. Bleed my brakes today for the second time still to no luck. I’ve adjusted the rear drums to be just barely rubbing, front brakes are good. Brand new fluid and I’m no expert but little to no air in the lines. I even saw a...

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