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Matt69olds
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From
Central Indiana
Joined
Jan 8, 2018
Last seen
Yesterday at 12:32 AM
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Matt69olds
replied to the thread
Throwing Parts at the Wall
.
The fast idle start is designed into the calibration. GM programmed the PROM that way to ensure the O2 sensor and catalytic converter...
Mar 22, 2024
Matt69olds
replied to the thread
I burnt it up didn't I? Take a look HEI got wet.
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Read this: https://www.gmcmi.com/wp-content/uploads/2014/05/HEI-Testing.pdf
Mar 22, 2024
Matt69olds
replied to the thread
TH400 Information Thread
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I have been searching for the unique 1-2 modulator valvetrain setup for my car to duplicate the automatic 3-1 downshift. As many high...
Mar 19, 2024
Matt69olds
replied to the thread
Electric Fan Runs After Shutting Off Engine: Where To Start
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Stuck relay? Smack the relay with a screwdriver, see if it stops. If do, replace the relay.
Mar 18, 2024
Matt69olds
replied to the thread
TH400 Information Thread
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The OW and BB calibration (I wouldn’t be surprised to find Pontiac and Chevy had their own codes for basically the same transmission)...
Mar 17, 2024
Matt69olds
replied to the thread
Need help settling a debate
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Check the wires on the pickup coil. The constant back and forth movement of the vacuum advance will bend the tiny wires and cause...
Mar 14, 2024
Matt69olds
replied to the thread
how fast is your power window?
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I did the relay and express down modification on my 81 a few years ago. The windows are pretty fast now. Not new car fast, but...
Mar 14, 2024
Matt69olds
replied to the thread
Headlight Dimmer Switch
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Have you tried to adjust the switch? It sounds like the plunger isn’t being pushed into the switch far enough to cycle.
Mar 13, 2024
Matt69olds
replied to the thread
Wiring ID help - firewall
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Disconnect the battery. Find the horn relay. There will be an orange wire (power from the horn fuse) green (power from the relay to...
Mar 12, 2024
Matt69olds
replied to the thread
Wiring ID help - firewall
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Find the black wire in the turn signal switch connector. Use a jumper wire, ground the black wire and listen for a clicking relay. Off...
Mar 11, 2024
Matt69olds
replied to the thread
Craziest antitheft idea yet.
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I’d be interested in knowing more about the gps tracker
Mar 9, 2024
Matt69olds
replied to the thread
700r4 speedo port not spinning at all.
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Obviously, you can’t have a gear with 29.4 teeth, your choice is a 29 or 30. I’d go with a 29, it will probably be close enough.
Mar 9, 2024
Matt69olds
replied to the thread
700r4 speedo port not spinning at all.
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If the cable is melted, then it’s almost a certainty that the speedo gear is stripped. The cable probably locked up, which prevents the...
Mar 7, 2024
Matt69olds
replied to the thread
Carb Opinion
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Get Cliffs book, and buy the rebuild kit from him. He has the parts to rebuild it RIGHT, and more importantly the parts to calibrate it...
Mar 7, 2024
Matt69olds
replied to the thread
Fuel mixture screws
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Or remove the mixture screws, and use a small cutoff wheel and cut a slot in them. Then you can use a regular screwdriver.
Mar 6, 2024
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