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There shouldn't be any risk with a stock alternator, as the system is designed so that the stock alternator cannot source enough current to cause problems with the stock wiring. The issue you are referencing is only a concern if the stock alternator is replaced with a higher output unit without...

I just wanted to add my agreement with this point. If your alternator can produce a lot of current and your battery is dead, then you could easily overload the stock wiring through the bulkhead and ammeter even if you haven't added any loads to the system. A dead battery will draw quite a bit...

Hi there. Looks like you have a fun build in front of you. The 8.25" differential may be stock for that car. I have one in my car that I am pretty sure is original to the car. I did some investigating and it looks like they did use the 8.25" in some Coronets in 1969. If you find the cover...

My 69 Coronet 500 has an 8 1/4. It is a 318 car. Cheers!

Just wanted to throw in my experience. I have the Firm Feel upper control arms and have been happy with them. I have Torque Thrust II front wheels, 18" diameter and 9" wide, with 0 mm offset and have had no clearance issues. When I first assembled the new front suspension, I did my own front...

You can buy at least some Packard 58 terminals through Mouser Electronics. Note that Packard 58 is only for the female terminals, the male terminals were never updated and Packard 56 male were still used. Mouser lists the female terminals as Aptiv (formerly Delphi, which I think was the...

Yes, polyurethane bushings are built the same as any conventional bushing like brass and such. The shaft rotates inside the bushing, making it a sliding joint, which requires lubrication, you can get lower control arm shafts with a grease fitting if you don't already have them. One other thing...

This shouldn't be necessary with poly bushings as they are a sliding joint, whereas the rubber bushings are bonded to the inner and outer sleeves and set to their relaxed position when the car sits at its normal ride height, so suspension movement causes the rubber to stretch when the car sits...

As mentioned above in message #7 tires are critical when it comes to handling. That would be the first place I would look when trying to improve handling. Sadly, there isn't much of a selection of good handling tires available in the stock rim sizes. I wound up having to switch to 18" rims to...

I made up some aluminum hub centric adaptors for my Cragar SS wheels and found some of the correct dimensions for my Torq Thrust II wheels when I upgraded. Making the adaptors for the Cragars was kind of a fun little lathe project. I prefer to have the adaptors in since that was how the...

Unfortunately, I am away from my shop right now so I don't have access to the manuals that came with the lifts. My floor was not designed with a lift in mind, but it met the thickness requirements. I think the minimum thickness for mine was 5.5" and 3500 psi concrete. Mine are an older lift...

I have a couple of these lifts in my shop and you are incorrect about the anchors. The ones supplied with the lift are female anchors that you drill into the floor (there are specifications for the concrete and floor that have to be met for using the anchors, but they were easy to meet). The...

A brake system is not completely sealed, there is a vent on the master cylinder reservoir, at least on many systems. A small amount of air will move into and out of the reservoir due to heating and cooling, and the small amount of moisture in that air can condense in the reservoir due to the...

I agree with what is said here with one minor correction. DOT 5 brake fluid has a higher dry boiling point (260 C) than DOT 3 (205 C) or DOT 4 (230 C). There is also a DOT 5.1 fluid that has the same glycol base as DOT 3 and 4, but has the same boiling point as DOT 5, which uses a silicone...

Your best bet is probably to spend some time on Tire Rack's web site looking at the specs for some candidate tires. In the specs they have minimum and maximum recommended wheel width from the manufacturer for the specific tire you are looking at (make , model, and size). Since different aspect...

When I did my home alignment, I just used an electronic angle measuring (tilt) gauge. I removed the wheels from the front and blocked up the brake disks on top of a cobbled together set of turn plates (two layers of 3/4" plywood with garbage bags used as the bearings). This got the car to level...

Just thought I would throw my $0.02 in here as well. If you are happy with the ride in general, I would just increase the front anti-roll (sway) bar size and then add a rear bar to make the handling balance again as has been suggested above. Increasing the torsion bar stiffness too far will...

I would suggest checking the input voltage range for your LED lights before worrying about installing relays. Many of them are specified to work down to 9 or 10 Volts, which should not be a problem. I just installed LED headlights in my 69 Coronet without relays and have seen no issues while...

One thing to be aware of is that the two vent lines inside the tank are not interchangeable. One is longer and reaches to the rear of the tank, and the other is shorter and only reaches the front of the tank. My understanding is that this was to ensure that one would always be above the fuel...

I would just want to add that changing the lower control arm bushings (which I have just finished) requires pulling a good bit of your front suspension apart. If you change some of the other parts, you may have to pull them apart again later to do the LCA bushings. I did mine separately after...