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Speedometer accuracy
1987 Silverado 1/2ton original 2wd automatic converted to 4wd manual. (Th350 I believe, to SM465 4speed) Hello all! I’ve got a question regarding my speedometer. I swapped the transmission about 10 years ago but just recently decided to try and get my truck road ready again. The speedo cable...- 87chevyDB
- Thread
- Replies: 1
- Forum: Transmission & Transfer Case
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8
87’ Silverado vacuum lines
Hello all! I’ve got a 1987 Silverado TBI. All of the vacuum lines that are related to the TBI and emissions need replaced. And I’m not totally sure they’re all there that are supposed to be there. Question 1. There’s a larger one off the back behind the throttle body coming out of the intake...- 87chevyDB
- Thread
- Replies: 4
- Forum: Engine & Performance
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8
Rough idle/ intermittent starting problems
Hello all. I have a 1987’ silverado single cab king bed I’m working on. On some days the truck runs like a brand new one and on other days it won’t start at all. No rhyme or reason. Attached are the current codes I’m getting. Recent work I’ve done in hopes of resolving this issue are as follows...- 87chevyDB
- Thread
- Replies: 7
- Forum: Engine & Performance
