Recent content by Firewood truck

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    Y pipe differences

    Thanks for the replies. I'm hoping to be able to use the Y pipe that's already there. What about intake gaskets for the GMPP intake? I'm guessing stock Vortec gaskets? Also, I've never seen this mentioned- since my truck has the SM465 trans, I know that a 12" clutch and flywheel will bolt to...
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    Y pipe differences

    Hello everyone. I am gathering parts to get ready to do the engine swap in my beater. My truck- '88 K2500 6 lug, 5.7 TBI, SM465 trans. My donor engine is from a '98 K2500 8 lug, it was a factory crate replacement engine that has about 55K on it. I have snagged a GM performance intake so that I...
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    '98 Vortec into a '88 K2500, retaining the TBI

    Hello everyone, I've been doing my due diligence by reading all that I can find on the topic, quiet a few threads have popped up with a ton of solid tech information. A quick summary of what I need to do: my '88 K2500 needs a heart transplant. IN October I did a HC test, the fluid turned green...
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    1988 K2500 courtesy lights/dome light problems

    I honestly don't remember where I got them on the site, I think tat one of the other members gave me a link to the schematics but they are a "sticky" somewhere in here. I know that doesn't help you very much. As for @Silverado68 , have you tried running a jumper cable ( or use a power probe)...
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    Firewood truck

    I've been posting in the 'introduction' section, so it's time to start a thread in here. I guess that this is the best place as my truck isn't a restoration project or an off-road toy, it's just a crusty beater that I got for a few hundred bucks in March (2023).. I set a budget and have been...
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    backlit dash switches?

    Crap, sorry about that. My turd is an '88.
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    1994 K1500 6 lug front axle to 2500 6 lug

    6 lug front diffs are the same between K1500 and 6 lug K2500. ( just be sure that the gear ratios match) I used one from a from a K1500 when I found mine was destroyed in my '88 K2500 6 lug. Absolute bolt in procedure, just a PIA to do by yourself. The diffy assembly isn't too heavy, just...
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    backlit dash switches?

    I was driving the firewood truck the other night, 1st time driving it when it's pitch dark outside. I couldn't help but notice that it was also pretty dark around the dash board. Should the HVAC and headlight switch be backlit when running/head lights are on? 1988 K2500
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    Introduction

    Hello everyone, just a small update. I've been driving the truck a bit, mainly for lumber runs and a dump run. Besides a small oil leak burning on the exhaust, the main issue has been the hydro clutch is already starting to fail. I had it in gear w/ the clutch pressed in and very quickly I...
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    1988 K2500 courtesy lights/dome light problems

    I found them in this site, they're stickied somewhere. yes, the electrics are working as they should. The speedo is still dead a lot more then it works, and when it "works" it's still off by about 10mph ( compared to Garmin GPS ). I had the doors apart recently, installing new lock cylinders...
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    3/4 ton shocks on 1/2 ton 96 yukon

    When I was looking at shocks for my firewood truck, I dove into the tech info on Rockauto being curious at the different p/n's for front shocks for the K2500, based on GVW. The AC Delco, Gabriel, Monroe, Rancho 5000's and KYB all had different p/n's based on the GVW, and the 8200 GVW ( my truck...
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    3/4 ton shocks on 1/2 ton 96 yukon

    When I was looking at the specs for the compressed/extended lengths for shocks, I found that the HD 3/4 t ( 8600# GVW) had front shocks that had almost 1" less travel compared to the same model of shock made for a LD 3/4T ( 8200# GVW) or K1500.
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    1988 K2500 courtesy lights/dome light problems

    It took a bit of head scratching, but I got onto the trail of the root cause and found this. someone has been here before! Once I got the wires cut back to clean material, a good solder and shrink tube repair later and everything is finally working like it should. I did take the dome light...
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    1988 K2500 courtesy lights/dome light problems

    @ GTG- thanks for the reply. Unfortunately the owners manual didn't come with the 35 year old truck. I have downloaded the wiring diagrams from this website, as mentioned. They didn't come with a self diagnostic tool, so I ask for help when I need some clarification. Thanks for explaining how...
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    1988 K2500 courtesy lights/dome light problems

    Thanks for that info, it helped on the trouble shooting. Have you tested the door jam switches? When they go bad, it can keep the lights from turning on. The schematics that I got from this site were very helpful. I got power up to the overhead courtesy lights, I'm just not sure if they are...
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