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Manual Swap w/ Speedometer?

I've got a 1991 C1500 reg cab truck that I am currently doing body/paint for, I was thinking about refreshing the drivetrain while I already was working on it. It's got 200,000 miles on the original 305 motor and 700r4 transmission, so I won't feel too guilty about taking it apart. I want to...
- DylChrFla
- Thread
- Jun 16, 2023
- manual swap overdrive speed sensor
- Replies: 2
- Forum: Transmissions
Code 44 91 C1500

I’m been having trouble getting my truck to run correctly. I have an idle surge and it starts rough on cold mornings. I occasionally get code 44 lean exhaust. My fuel pump, fuel filter, O2 sensor, and many other parts are less than a year old. It holds perfect vacuum according to a diagnostic...
- DylChrFla
- Thread
- Dec 7, 2021
- Replies: 5
- Forum: Engine Performance + Maintenance
Diagnosing Rough Idle Hell

I’ve been battling a rough idle with my 1991 305tbi C1500 pickup for months now and I’ve gotten no closer to solving the issue. When cold it idles smooth and warms up normally. At idle when fully warmed up it has an intermittent miss/shake. When it does miss it puffs some smoke out of the...
- DylChrFla
- Thread
- Jun 3, 2021
- diagnose idle rough
- Replies: 77
- Forum: Engine Performance + Maintenance