75gmck25's latest activity
-
75gmck25 replied to the thread Starter Wiring Issues.The '73 is wired a little differently than later trucks because it has points (not HEI) and it has an ammeter in the dash. 1. large... -
75gmck25 replied to the thread Emissions question.The GVW vs emissions rules changed over the years. My ‘75 with 8400 GVW had no factory catalytic converters and very minimal emissions...
-
75gmck25 replied to the thread Replacing turn signal switch in 75 High Sierra.I did this job on my '75 GMC several years ago, and I don't remember how far you had to tear into it to get to the turn signal switch...
-
75gmck25 replied to the thread LMC AC controller has too many detents.I have not found a source for the vacuum connector attached to the back of the dash switch. Several sources sell the switches, but...
-
75gmck25 replied to the thread The squeaking is getting on my last nerves.I used poly bushings for my cab mounts, and greased them lightly as was suggested. They still squeaked when first installed, but...
-
75gmck25 replied to the thread Fuel gauge to tachometer, clock to fuel gauge.I have a '74 cluster with a factory tach in my '75, and the tach does not use any wires from the large multi-pin connector. The tach...
-
75gmck25 replied to the thread Engine mount, old or new?.I think it always pay off to go with new, but spend some time looking for a higher quality product. Maybe the off-road vendors sell...
-
75gmck25 replied to the thread power steering and input shaft.First - Set the wheels pointing straight ahead and off the ground and the steering wheel at center. From there, turn the steering...
-
75gmck25 replied to the thread Odd Cooling System issue.The factory setup in my '75 350 has the heater return hose to the radiator, and it definitely gushes into the radiator as soon as you...
-
75gmck25 replied to the thread Chevy 292 upgrades?.First, don’t make the mistake of ever calling it a V6, which you did in your 3rd paragraph. It’s confusing, and is also often a sign...
-
75gmck25 replied to the thread LMC AC controller has too many detents.The dash controller has to match the large vacuum switch bolted on the back (it’s visible in the photo of the newer switch). You...
-
75gmck25 replied to the thread Engine start issues.Make sure you have 12 volts to the distributor in start and run positions. The rod connecting the key mechanism to the electrical...
-
75gmck25 replied to the thread Is this part of the evap system?.Cruise control. The electrical wiring is to turn it on/off and adjust speed. The vacuum line running from the pod to the brake pedal...
-
75gmck25 replied to the thread Axle ratio help.Sine you apparently have a standard axle, without GovLock or other limited slip, you can determine ratios by counting wheel revolutions...
-
75gmck25 replied to the thread Blower motor.I don’t have a good explanation or rationale. However, the HVAC fan in many houses also runs on a higher speed for A/C than heat, and...
Latest posts
-
-
-
-
-
Update: The surging stopped....took me by surprise- Latest: backwoodsman