75gmck25's latest activity
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75gmck25 replied to the thread Transmission line locations.Once it warmed up it doesn’t really make any difference. Some folks recommend the radiator cooler being the last before it goes back to... -
75gmck25 replied to the thread Cig lighter phone holder issue.I have mounted one under the dash. I also ran a fused line (25 amp rating) through the firewall and directly to the power junction, so...
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75gmck25 replied to the thread Bypass hose.On many squarebody trucks the heater return hose runs to a fitting on the radiator instead of the water pump. When I remove my radiator...
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75gmck25 replied to the thread AC redo after sitting disconnected for a long time.Are all the hoses still connected? Any idea why it quite working? Do you know what refrigerant and oil was used the last time it was...
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75gmck25 replied to the thread hei vacuum advance stop plate.Base timing on a stock SBC was usually set to about 4-8 degrees BTDC (measured at about 650 rpm idle, vacuum advance line disconnected...
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75gmck25 replied to the thread AC control vacuum lines.They usually sell it at the parts store in two sizes - GM hard vacuum line. You can splice it with small sections of rubber vacuum line...
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75gmck25 replied to the thread Problematic Starting - rotate crank before starter engages?.Also make sure it’s installed with real Chevy starter bolts. They have a knurled section that helps everything to align properly...
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75gmck25 replied to the thread Unable to identify steering column piece.They sell replacements in a kit to repair a GM ignition rack. Check yours carefully for cracks, and replace it if any part of it seems...
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75gmck25 replied to the thread No Defrost.You can use a hand vacuum pump to pull vacuum on the actuator and see if it works. If it still works, then it’s probably the lines to...
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75gmck25 replied to the thread Belt squeal (while accelerating)/alternator question.I have used the same 15445 Belt with a 12si on my ‘75 350 for many years. The only time I get a short belt squeal is if the battery is...
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75gmck25 replied to the thread 2.5” exhaust kit for 85 suburban?.If you have a relatively stock vintage 454, slightly smaller exhaust will not make much difference. Just make sure you get good flowing...
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75gmck25 replied to the thread 2.5” exhaust kit for 85 suburban?.There are many 2 1/4” kits, so they are reasonably priced and easy to find. There is only one off the shelf 2 1/2” kit for 2WD vehicles...
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75gmck25 replied to the thread Fitech efi on 350 question.The FiTech “wet manifold” design is similar to many other aftermarket EFI systems. Individual port injection is better overall, but...
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75gmck25 replied to the thread Taller tires for my 1976 K20.Was there ever an OEM “lighter” version of the 8 lug steel wheels? All major manufacturers used the same 8 lug pattern for a while...
