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Bad diodes in the alternator will drain the battery

I'm not seeing the problem - from what I have seen at Wally World is the oils I use in my vehicles is available in 1 quart, and 4 quart or 5 quart bottles.

I, like you, use ziplock bags to bag parts. I use a index card to jot down any notes, number of screws, diagram screw location and so foth to help me remember how to re-assemble. Card goes into the bag with the parts. To help with re-dying/painting plastic interior parts, plastic primer is...

As Mikey pointed out, GM wasn't known for paint & body to be job 1. With age, you may have other issues at play. It's typical for there to be a large gap between the doors and the front fenders, especially above the belt line. Late model C3's had 4 rubber blocks installed in the drip edge of the...

If this is the factory radio, the speakers are a 10 or a 10 1/2 ohm speaker. Your run of the mill speakers from Wally World or Radio Shack are usually a 4 or 8 ohm speaker. Replacement speakers are available from Corvette vendors. When I replaced the ones in my 72 coupe, the hard part was...

Sorry for the double posting

A Chevrolet shop manual should have the wiring diagram you need. '68 to '76 models, the radio wiring should be all the same. Problem is that usually when someone replaces the factory radio, they cut off the existing power wiring plugs and speaker wiring plugs from the harness to wire in the new...

And the question?

Polished Horn Button Looks to be a early production 77 model by the polished horn button. Government decreed a recall to replace the polished horn button on 77 models, as it was felt to be a potential blinding hazard. GM went back to painted horn buttons and more than one 77 owners chose to...

Both of my '72's, one a small block car and the other a big block, have a Vette Brakes 360 lb fiberglass installed. These replaced the standard 9 leaf spring on both cars. On the Lt-1 vert, the new rear spring was paired with the 550 lb springs up front. The spring change made the car ride a bit...

Not weird, but having a half shaft come loose due to using lock washers instead of the GM specified french locks will get your attention. Especially when the banging around is just behind your butt.

I hate those little nylon velco type clips GM used on the t-tops & hard top liners. I use the 3M automotive type double side trim mounting tape to help out the stock fasteners. The 3M trim mount tape can be found at any well stocked automotive paint store. If you do decide to glue it, I would...

With the lesser offset wheel in rear, you are probably going to have interference fit from the emergency brake cable and it's mount on the side of the trailing arm. With a stock wheel, you should be able to put a P255-60 size tire on the rear. I believe the stock tire for your car was a P225-70...

Broke Motor Mounts? Strange problem. Is this a 454 swap into a '81 body? The motor mounts and the transmission mount locates and anchor the motor & transmission into the body. For the motor to move forward would indicate that the engine mounts have either broke or the mount bolts have loosen &...

I'm going to go in a different direction - have you checked to see if the resistor wire to the coil is good? You have two wires that go to the positive post on the coil. One wire is non-resistor wire and supplies 12 volts to the coil for cranking when the ignition switch is in the crank...

Are you running this without the lower bell housing cover?

The center grill, like the one in Mac's picture, was standard on all 68-69 Corvettes, wheter a front plate was required or not. The front license plate bracket was installed in front of the center grill. The 70-72 Corvettes had a similar center grill installed with the front plate bracket. 68-69...

May I suggest... That you search out either a local Corvette club to join and search out fellow club members for help or join NCRS and search out other NCRS members in your area for help.

Whenever I have gravity bled the brakes, I pull the pads out, and starting at the back, open up the bleeders on both the calipers and let it go until there is clear fluid coming out of the bleeders. Once I get clear fluid, close that bleeder and wait on the other half to flow clear. Then repeat...

Before taking out the dash and windshield, I would suggest that you look in the firewall area, especially where the windshield frame meets the door posts, carefully for trouble spots there. The windshield frame extends into the firewall area along with the door posts. It is possible to have a...