75gmck25
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75gmck25 replied to the thread cheap-ish options for my 86.The Vortec 062 vs 906 head debate is a little like debating what weight of oil to run. There is a lot of good and bad info out there... -
75gmck25 replied to the thread electrical Power while running.You definitely want to use relays or an integrated fan controller ( which has relays in it) connected directly to your battery. If you...
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75gmck25 replied to the thread cheap-ish options for my 86.Consider your long term plans: Your best long term fix would be Vortec or aftermarket aluminum heads with 64cc chambers, and use thin...
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75gmck25 replied to the thread What to secure carpet with?.I think my first effort would be to clean the metal surface well and then use carpet tape. It holds carpet down well in the home, and...
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75gmck25 replied to the thread 76 C20 454 harness mess.The 2nd battery was a fairly common factory option for towing or a slide-in camper. On my ‘75 there is a battery tray and an ignition...
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75gmck25 replied to the thread A/C connecting.The older systems often used o-ring fittings in SAE sizes 1/2”, 3/4”, etc) while newer system usually are metric (10mm, 12mm). I...
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75gmck25 replied to the thread Exhaust kit help?!.On my ‘75 K25 there is ample space for a nearly straight pipe on the drivers side, but on the passenger side the crossmember has a...
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75gmck25 replied to the thread Dash cluster problems.It just needs to be grounded, and a grounding block up under the dash is what GM used on later models that had more ground wires. You...
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75gmck25 replied to the thread Dual tanks dilemma.It sounds like you have the old 3 or 6 port solenoid with only one power wire. With no power a properly plumbed 1980 should default to...
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75gmck25 replied to the thread Upgrade master cylinder with a disc brake conversion?.There are disk brake conversion kits, so I assume they sell a proportioning valve to go with them. There are also hot rod adjustable...
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75gmck25 replied to the thread Upgrade master cylinder with a disc brake conversion?.A larger booster makes sense, but I would just use one from HD brakes on a squarebody of the same year. You also need to change the...
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75gmck25 replied to the thread Dash cluster problems.I don’t want to beat you up about it, but you need to be more clear about what you did. Apparently you left your old cluster in place...
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75gmck25 replied to the thread Dash cluster problems.If it has a voltmeter it’s not a ‘75 cluster. However, it could have been modified. The ammeter cluster connects to two wires under...
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75gmck25 replied to the thread No gas to carb.You didn’t mention replacing any rubber fuel lines. If you moved them around a lot in the process of working on the tank switch you...
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75gmck25 replied to the thread Tach needle bouncing..The original factory tach had a noise filter in the wire that connected to the distributor. The OEM filters are no longer sold, and...
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