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I haven't used them in the arms and would not in the trailing arms but have them for motor mount and trans mounts in my mild 72 cruiser. We ran poly mounts in my sons car and they failed in that application in no time. He is running solids mounts and a full cage now, stiff vibration city is what...

So now you know where the noise is. There won't be any issue leaving it but look at the pin to see if it's worn. The fit is pretty loose in the caliper and pad hole. As Toolbroke mentioned the axles and rotors were assembled, riveted, then final turned on the axle center so the rotor surface...

The trim rings are used on stock rally wheels, if you have the aluminum slotted ones then you don't have trim rings. Use only a dab of grease, you don't want to get any on the pad or rotor. With these old cars there are a lot of noises if the parts are old or original. See if you can duplicate...

Look for rust at the u-joint caps and play in them when twisting. If you remove the shafts the joints should not bind up or have play in them. Pull a cap and look to see if there are any marks or wear on the crosses. If you go that far and the joints are old replace them with spicer solids. I...

For the brakes I had like that I found the pin was out of round and replaced the pin. I can't say I have heard air in the calipers causing that. If there was air in the system from caliper pumping, rotor runout over 005", or excessive bearing end play you would experience a spongy peddle and...

The pad pin can cause this, they are sloppy in many of the pad holes or some do wear.

The IRS on these cars gets abused and worn, all affecting alignment. Assuming your shop knows to start with the rear and go to the front, what was the issue exactly? As mentioned there is Toe and Camber on the rear. Before you bring the car anyplace else take a close look yourself. Areas to...

Yeah, 411 & 456 are st gears for sure. They came with the optional engines and CR trans. A solidly built SB or BB will hold up fine with them. We ran them a lot in the Ole days! My buddy blew apart his 68's 411 on the street and he went to 456's. It was a stout 400hp 350 but once on the highway...

Glad to hear you have the car back and you're on the road. GM gears will have GM, the date, and tooth count stamped in them. They are a good gear set. There are 6 bearings in the diff, 2 axle, 2 case, and 2 pinion. The axle bearings are not shimmed. The case bearings are, in stock form they...

I understand the frustration with imported parts today, the sad fact is it is not going to come back to the USA like we once had. I had to throw out 8 good screw machines with custom enclosures because all the work was sent to China. 100 people lost their job because assembly work was shipped to...

Again I am sure we would get 10 different answers if we asked 10 different people. I base mine on what has worked for me and what Eaton recommended, that is non synthetic. I know others use their favorite gear oil and some don't add in the limited slip additive and life is good. I can say I once...

Yes as mentioned there is a procedure for breaking in new gears. This is what I recommend with every vette diff I build from 250 hp cars to 1000hp 12 bolt conversions. 1- Use 2 bottled of the GM posi additive. This is not the same as it once was and 2 bottles are now what I use and recommend...

I just saw this thread. very impressive work. Looks like you have room to work and don't have to worry about cold weather which is great. I'll be watching.:thumb

PS- the 71-79 308 complete diff's are your best bet to build up. They are usually out of low powered automatics and worth about $300.

Ah, a 69 diff is a bit different. Some things to know about a 69. Has the wider carrier ( housing ) which is better then the 63-66's had First year for the better Eaton posi, but some early 69's had left over 1st design Eatons Posi used 10-18 spiders, not as good as the 71-79 10-17 spiders...

Hey Bob, Well I didn't want to sugar coat anything. Now there will be guys out there that will tell you they abuse the heck out of their 80-82 DANA diff and it's fine. That may or may not be true but I won't change my stance on them. Yes you should be able to find complete 80-82 online, how...

That is impressive. Last year I rebuilt Jack Panzica's 66 diff ( actually it was a 68 diff in his 66) that had 300k on it before the posi imploded. This was an iron unit with Eaton posi. These are much stronger diff's then the 80-82 DANA's so that is a lot of miles on the diff but I bet they...

30 years ago - about 500 miles in my 69 when I was using it as a DD. Ct to VA Beach and back. Now when I go out for drive in my 72 for the day about 150-200 miles. I was out all day today and clocked about 200 miles and about 3/4 of a tank of gas.

I have run 180* T stats in my C2 & C3's without any issues at all. I drove my DD 69 vert through CT winters and never had to wait longer then the engine getting warm to have plenty of heat. I think about 75 they moved up to 190-195* Stats for emissions along with choked exhaust and retarded timing.

Hi Bob I have heard the BB vs SB diff comparisons for years and have rebuilt a ton of them. I never saw a difference between the BB & SB diff's other then the axles and stampings. I have not seen an axle break at the yoke so while the "HD" term for the cap axles has been tossed around for years...