75gmck25's latest activity
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75gmck25 replied to the thread Modern center console rear a/c and heat.Many newer cars have heat/AC ducts that come off the main plenum into the console for A/C or under the carpet area to get heat to the... -
75gmck25 replied to the thread Small Block choices: A feller has too many.I used Mahle .026 head gaskets with my crate 350 and 64cc Blueprint heads, to try and make up for the low compression of the stock...
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75gmck25 replied to the thread In need of a space to work for a short time.I appreciate your motivation, but that’s a long distance and lots of gas for a 4WD squarebody . Why don’t you let the military ship...
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75gmck25 replied to the thread 1973-1980 Tailgate Trim.I have the original ‘75 tailgate with a narrow band and centered GMC, and I have a complete 80’s bed on the truck, with a wide band that...
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75gmck25 replied to the thread Gas tank pressure problem.Go back to basics and check your sending unit and fuel pump fittings. The optimum solution for fuel flow and venting is a three port...
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75gmck25 replied to the thread Another Blower fan switch/relay/resistor thread.On my ‘75 with A/C the high speed relay and the resistors are mounted on the big evaporator plenum under the hood. I’m not sure where...
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75gmck25 replied to the thread Tilt Steering Column.Has the ‘75 transmission been swapped with something newer? There was no 4 speed auto in ‘75. I’m also confused about your mention of...
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75gmck25 replied to the thread Edelbrock 750 cfm or 600 cfm carburetor for 454 stock engine..As already mentioned, first make a couple of checks of the existing setup. - Is it a 3 port fuel pump with a return to the gas tank...