75gmck25
Full Access Member From Northern Virginia
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75gmck25 replied to the thread Optimal engine temperature for max HP?.Don't get engine temp confused with air temp into the intake. You want air temps as low as possible to get a denser "charge" of fuel... -
75gmck25 replied to the thread Steering Wheel Too Close '84 C-10.I’ve also seen some seat relocation brackets, but I’m not sure how they work. My seatback is almost touching the back of the cab, so...
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75gmck25 replied to the thread 1973 Tailgate Trim Band Replacement.No, the narrow tailgate band went well beyond ‘73 (my ‘75 has the narrow band).
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75gmck25 replied to the thread 84 Chevy 305 stock; what to swap with?.Determine your power goal and budget first. Basic 350 or 305 build (cam, intake, carburetor, headers and exhaust) is relatively cheap...
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75gmck25 replied to the thread Steering Wheel Too Close '84 C-10.Is your seat relatively new? I recently replaced the seat foam and seat cover on my ‘75 GMC, and the steering wheel clearance is now...
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75gmck25 replied to the thread 327 coughs and dies during gearchange..There is a large diameter vacuum hose (3/8”?) from the intake to the brake booster, so a booster failure could cause a big vacuum leak...
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75gmck25 replied to the thread 1973 Tailgate Trim Band Replacement.The ‘73 tailgate and band is a completely different shape than later years. The tailgate has an inset in the middle, and the narrow...
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75gmck25 replied to the thread Quadrajet Secondary issue?.Since your csrb may not be original, one of the first things to document is the model number of your Quadrajet, which is embossed on one...
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75gmck25 replied to the thread Front Windshield.If you have the windshield radio antenna, and plan to use your radio, you probably want it on the new one.
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75gmck25 replied to the thread 77 C10 HVAC vacuum line replacement through firewall.They sell packages of GM hard vacuum line at most auto parts stores. There are two sizes (diameters), but I don’t recall which is the...
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75gmck25 replied to the thread 77 C10 HVAC vacuum line replacement through firewall.The line through the firewall is GM hard plastic vacuum line, and it’s just pushed through a rubber grommet. If you take the glove...
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75gmck25 replied to the thread Quadrajet Secondary issue?.Secondaries rely on air flow and vacuum changes to open up, so you are not even close to the point where they take effect. You checked...
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75gmck25 replied to the thread 1979 Dash Pad Replacement.My ‘75 GMC has a buckskin color interior, but the dash is a little darker buckskin/tan than the rest of the interior (almost a brown)...
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75gmck25 replied to the thread 84 K10 full exhaust replacement.If you want to keep using a catalytic converter, just get an aftermarket high flow cat. They are much better flowing than the original...
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75gmck25 replied to the thread 3” header back exhaust pipe kit for 2wd?.Are you going to run full dual 3”? That is serious overkill for a 350. Spend money on things that will get you more bang for your buck.
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