75gmck25
Full Access Member From Northern Virginia
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75gmck25 replied to the thread 87' a/c brackets.Old R4 compressors are not great. Look for a kit to adapt a Sanden or Seltec and get the brackets they use. -
75gmck25 replied to the thread New memeber old mechanic 73 chevy 350.Welcome! Check the rear end to see if it’s a 14 bolt FF, which are used on the high GVW C20’s. Brake work on a FF is harder because...
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75gmck25 replied to the thread Vortec Head Timing With Progression Ignition.Vacuum advance is not related to performance tuning, since as soon as you open the throttle the vacuum will drop and the vacuum advance...
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75gmck25 replied to the thread 1980 C10 Cruise Control Switch 407437.Most common brand is probably Rostra, but Iditit and Dakota Digital also have them. Problem is that they are about $400 and up. GM...
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75gmck25 replied to the thread 75 Chevy SWB 4x4 adding a saddle fuel tank on driver's side.It’s a relatively easy mod once you get the parts. The fuel filler hose is not very flexible, so it has to match the filler setup (hole...
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75gmck25 replied to the thread Intermittent cruise control.I would start by checking the wires for chafing or breaks. The controller relies on a reliable signal from the speed sensor on...
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75gmck25 replied to the thread Power loss with aggressive acceleration.What type of carburetor is on the 6 cylinder? When a 4 barrel has this type of symptom you would usually check to make sure the...
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75gmck25 replied to the thread 1991 Suburban 3/4 ton: TBI to Holley Sniper conversion - stupid, or worth it?.To some degree, a Holley Sniper on the stock TBI heads and cam is like putting lipstick on a pig. Lots of shiny new parts, but probably...
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75gmck25 replied to the thread Bed liner paint..I’ve seen a few factory trucks (don’t recall the brand) where they used a bed liner-looking paint to protect the rocker panels. Not...
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75gmck25 replied to the thread Loose timing chain replacement.Also, if you get the idea to upgrade to a double roller chain, be ready for some more work. In most cases the extra width of the double...
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75gmck25 replied to the thread What’s the best way to fix/clean up this wiring problem?.First figure out what all those wires are going to, so you understand what you have. Also, is this an auxiliary battery? Those large...
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75gmck25 replied to the thread Instrument panel light question.My ‘75 did not have a light to tell you the parking brake was on, but it does have a wire going to the proportioning valve, which turns...
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75gmck25 replied to the thread Instrument panel light question.Taylor, I think the picture you posted is of a newer truck than the 74/75 era. For the older trucks I think it was just a single wire...
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75gmck25 replied to the thread Instrument panel light question.I have a spare instrument panel out of my '75 with gauges and a clock, so I looked at the wiring. I believe the correct ground is an...
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75gmck25 replied to the thread Instrument panel light question.It is almost certain to be a ground issue. When a ground is bad, devices “find” other paths to ground, and lights go on and off. Did...
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