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75gmck25
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From
Northern Virginia
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75gmck25
replied to the thread
Truck runs very very rough
.
The other time I had a really rough funning truck was when I was replacing a thermostat and the carburetor accidentally sucked in a...
Today at 8:22 AM
75gmck25
replied to the thread
Truck runs very very rough
.
General rough running is often due to one or more spark plugs misfiring, or there is a vacuum leak. For example, I once had a backfire...
Friday at 6:59 AM
75gmck25
replied to the thread
Engine not starting
.
Since it’s a hot start issue, fuel is probably the issue. However, as already suggested in previous posts, also make sure the HEI has...
Friday at 6:37 AM
75gmck25
replied to the thread
Ignition Switch
.
What is the exact problem? Doesn’t turn over the starter at all, turns over and doesn’t fire, etc. You also have an ECU, injectors...
Tuesday at 6:48 AM
75gmck25
replied to the thread
AC Not Getting Cold
.
Usual recommendation for R134a charge is about 75-80% of the R12 charge, so you are in the ballpark. It’s also usually recommended to...
Monday at 8:06 PM
75gmck25
replied to the thread
Compressor not turning on.
.
My refrigerant question was not planned to be complicated - the simple question is whether he know what refrigerant and oil is in his...
Jul 6, 2025
75gmck25
replied to the thread
Compressor not turning on.
.
Do you know what refrigerant you have? R134a is available from any auto parts store, but the older R12 (Freon) is much harder to find.
Jul 5, 2025
75gmck25
replied to the thread
Junction block wire started smoking when try to start?
.
If you crawl under the truck and clean off the wiring terminals on the starter, one of them is the S terminal (solenoid). It may be the...
Jul 2, 2025
75gmck25
replied to the thread
Junction block wire started smoking when try to start?
.
Sounds like the wire running from the ignition switch to the starter solenoid. It runs over from the fuse block area to the back of the...
Jul 2, 2025
75gmck25
replied to the thread
1986 K30 bulkhead connector wiring needs replacement.
.
Don’t you have a pick and pull somewhere near you? When I lived in San Antonio there were several with old squarebody trucks and you...
Jul 1, 2025
75gmck25
replied to the thread
Rotate 350 «backwards»
.
Take off the outermost belt on the crankshaft pulley, and use a rubber strap wrench to turn the pulley. It gives you good leverage from...
Jul 1, 2025
75gmck25
replied to the thread
AC Condenser Question
.
I used an aftermarket parallel flow condenser when I converted my A/C, and in hindsight I’m not sure it was really needed. The stock...
Jul 1, 2025
75gmck25
replied to the thread
Dreaded radiator sizes
.
AFAIK, the height listed in the specs is measured as the height of the core (only the finned area). I bought a Champion all aluminum...
Jun 24, 2025
75gmck25
replied to the thread
Dreaded radiator sizes
.
I have had some success with going to the Rockauto or LMC web sites and looking at the radiator options and sizes for the year of the...
Jun 24, 2025
75gmck25
replied to the thread
Engine cranks but doesn’t start. I believe it’s my timing in my distributor.
.
If you did not loosen the hold down bolt and rotate the distributor, the timing should not have changed. This assumes you got the wires...
Jun 24, 2025
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