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  1. F

    Turn signal assembly

    I tried replacing just the cam that the turn signal arm secures to but the plastic piece behind the plastic cam is so brittle retaining snaps were breaking off as I was trying to reassemble it.
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    Turn signal assembly

    Before I get too involved is this plastic piece you see here replaceable or do I have to replace the entire turn signal unit with wiring harness? It goes into a 1980 GMC k35.
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    What year 454

    Thank you!
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    Death wobble

    I will check it more thoroughly, I thought I saw the driver's leaf spring move forward just a little so I need to look at that carefully
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    Death wobble

    Can you see the cracks without removing the steering box?
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    Death wobble

    Will worn out leaf spring bushings cause the death wobble?
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    Death wobble

    It's a real k-30 ordered that way from the factory in 1979! I just watched a video on how to rebuild those kingpins, and from memory that's exactly what it's got on it.
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    Death wobble

    Does a GMC four wheel drive front Axle have King pins?
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    Death wobble

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    Death wobble

    I just did a few tests there's play in the pit and arm connection there's play in the rod that goes from the right side all the way to the left side and I'm thinking there might be play in the driver's ball joints, the passenger side seem to be tight, or tighter than the driver's side but all...
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    Death wobble

    I have a 1980 GMC one ton dually k30 is what it's called I guess, it has a standard 4-speed transmission with a 454 engine it developed a death wobble a while ago when my son had it, my son said he changed the stabilizer shock and that fixed it but only for a while and now it is back, the...
  12. F

    Front Windshield

    Thank you for the replies! It does have the inner antenna for the radio, they're on the internet for $120 to $150, jegs has them for $127 free shipping. It's cheaper than I expected!
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    Front Windshield

    My 1980 GMC regular cab K30 needs a new windshield, what years will interchange?
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    What year 454

    I found these numbers and letters above the timing chain cover but I'm not sure how to read them, I'm trying to find out what year this 454 is if someone can help me figure this out that would be great!
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    Quadrajet Primary Shaft Bushings

    I've rebuilt several quadrajets and I just use lacquer thinner it dissolves everything and it comes off clean!
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    454 year

    My 1980 GMC came with the 400 from the factory my brother installed the 454 out of one of his other trucks but I don't remember what year, how do I identify the year of this 454? Or how do I identify anything on this 454?
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    Big block running hot. Can’t figure out the issue

    Checking that the carburetor providing the correct amount of fuel so you're not running lean would be the next step I would do knowing what I know, because your problems and all the cures you've tried to fix your problems is exactly what I went through 15 years ago! I did everything under the...
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    Dual tank switches and valves

    I failed to mention this is in my 1980 GMC 1 ton dually
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    Dual tank switches and valves

    I am trying to get my fuel tank situated, I have dual tanks one was already replaced but I'm looking at this valve two-way valve, does anybody have a diagram of this valve and where the lines go? It's the valve that switches from one tank to the other
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    Big block running hot. Can’t figure out the issue

    Proper AFR is 14 to 1
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    Big block running hot. Can’t figure out the issue

    Leave most carburetors are efficient at 14 to 1.?
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    Big block running hot. Can’t figure out the issue

    Here is something to consider, years ago I had a Pontiac 455 that I rebuilt from the ground up, everything was brand new, bought remanufactured quadrajet 4 barrel, engine had lots of power but I felt it could have a little more, sitting they're at idle the engine temperature would slowly creep...
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    Two piece drive shaft bolts

    1980 GMC k 3500, Does anyone know what size bolts hold this two-piece driveshaft flange onto the output of the transfer case? It's the output that connects the drive shaft to the front differential
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    Two piece front drive shaft

    The drive shaft that came with my truck is about 3 in Long then it should be, it came with the automatic transmission from the factory, my brother put a standard transmission in and now the front two piece is too long, I've been looking for a replacement but I can't find one the exact length of...
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    17-in rims

    I spoke with a guy at Motorsport tech and he hears of these issues all the time, he's very familiar with the rim hub diameters of a lot of vehicles and he makes lots of adapter rings for these older square bodies being converted to larger hub rims, I've decided to have some custom-made that will...

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