75gmck25's latest activity
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75gmck25 replied to the thread RockAuto- 4x4 front drive shaft, '81 K20 -Rock Auto.I replaced my entire front driveshaft years ago, from a place called Driveshaft Specialists in San Antonio. I lived there, so it was... -
75gmck25 replied to the thread Drop In Voltage from Windows and AC on.I had similar symptoms when my alternator was going bad. With lights and blower on it would drop down to about nine volts at idle, but...
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75gmck25 replied to the thread After installing aftermarket tach the truck will not start.I speak from experience - if that tach lead connected to the HEI is grounded, it stops the engine from starting. In my case ( on a Ford...
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75gmck25 replied to the thread 350 small block.That’s a really good tip, and one I forgot about since I do it all the time without thinking. If you don’t move the pedal to the floor...
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75gmck25 replied to the thread 350 small block.Most stock smog-era SBC’s will handle up to 12 degrees base timing without any pinging issue. They really have low compression. Have...
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75gmck25 replied to the thread QJet Questions.You need a battery or a 12 volt power supply for testing, not a battery charger. Even a bunch of D cell batteries taped together can...
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75gmck25 replied to the thread 350 small block.For a carbureted engine, it sounds like it works as designed. - on a cold engine the choke closes a flap in the carburetor to reduce...
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75gmck25 replied to the thread 454 engine rebuild and intake gasket leak.I also found that the old bolts for my stock intake on an SBC were just a little too long for the thinner flange on the intake. I'm not...
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75gmck25 replied to the thread HEI module dwell time..IIRC, .060 plug gap was an early spec for HEI, maybe when they were trying to improve the burn for emissions. Later on they found it...
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75gmck25 replied to the thread No chassis electrical.Another possibility, since you have power to lights, but apparently no ignition-switched power. During your restoration, did you...
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75gmck25 replied to the thread No chassis electrical.Do you remember hooking up the instrument panel ground? Should be a black wire up under the dash, and on an ‘87 connected to a ground...
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75gmck25 replied to the thread Best header back exhaust package for a 1985 K10 short bed.Most universal kits (priced under about $125-$150, without mufflers) have instructions for both short and long bed trucks. You just...
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75gmck25 replied to the thread Lost ignition!.If you can jiggle it enough to get it to turn the key, then you should be able to access the release and remove the lock cylinder. Then...
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75gmck25 replied to the thread C20 - Trailering vs. Camper Special.I have only seen the 11,000 GVW rating on a C30 or K30, and I think it was a 4 door crew cab. Someone has done some swapping of...
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75gmck25 replied to the thread C20 - Trailering vs. Camper Special.Not sure about your year of truck, but for my ‘75, the Camper Specials have a Teepee emblem in the trim on the side of the cab. I have...
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