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Old 06-01-2010, 05:03 AM
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help me identify this front end

this is the front supension that came on my 36 chevy when I bought it. it was built back in the seventies. at first I thougt it was a standard mustang 2 setup until I tried to replace the calipers. the calipers are bigger than the standard MII and the brake hoses are larger diameter also. I want to convert to tubular conntrol arms and eliminate the strut rods also. the calipers have DELCO cast in them.




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Old 06-01-2010, 01:32 PM
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That looks like an MII that has had the 69-77 GM calipers added to it. These calipers have larger pistons than the 78-up "metric" calipers, so they provide more clamping force for the same line pressure.
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Old 06-01-2010, 05:40 PM
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thanks, so what would these GM calipers be used on?
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Old 06-01-2010, 07:06 PM
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Quote:
Originally Posted by 71corvette
thanks, so what would these GM calipers be used on?
69-77 Chevelle, Malibu, Monte Carlo, Cutlass, Regal, 69-81 Camaro, Firebird, 69-79 Nova, 69-77 Grand Prix, Lemans, El Camino, .
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Old 06-01-2010, 07:35 PM
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so should standard MII tubular control arms work? I measured them against the TCI ones I have on my 50 truck and they seem to be about the same
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Old 06-03-2010, 08:58 AM
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Quote:
Originally Posted by 71corvette
so should standard MII tubular control arms work? I measured them against the TCI ones I have on my 50 truck and they seem to be about the same

Yes, they will work as a direct replacement with the welded sleeves to carry the pivot bolt. You'll just want to specify the arm length as they have a couple options. The weld sleeves are included when you buy the arms.
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Old 06-06-2010, 07:31 AM
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one more question, would the rotors be for the same applications as the calipers?
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Old 06-07-2010, 05:19 PM
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Quote:
Originally Posted by 71corvette
one more question, would the rotors be for the same applications as the calipers?

The rotor will be specific to the spindle. Luckily, that spindle is very common so you can get the Chevy 4.75" pattern rotors just about anywhere. CPP has some fairly cheap cross drilled ones. You may want to verify the backspacing and overall diamter between the two so you won't need new caliper brackets.

Part#'s
ARGX-8110L (LEFT)
ARGX-8110R (RIGHT)

You can get bearings and seals from them as well.

-J
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Old 06-07-2010, 06:43 PM
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hmm intersting ive enver seen rotors with holes in them like that except maybe on 1 ton trucks etc, hmm. is that what is found on the 77 older stuff?

ive never really had any cars that old, they are too rare here,

ive only had 60s and 70s trucks trucks, so i am not sure,
also never seen calipers that say delco moraine on them., thats pretty odd looking to me also. interesting...
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Old 06-07-2010, 09:15 PM
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[QUOTE=slow4dr]The rotor will be specific to the spindle. Luckily, that spindle is very common so you can get the Chevy 4.75" pattern rotors just about anywhere. CPP has some fairly cheap cross drilled ones. You may want to verify the backspacing and overall diamter between the two so you won't need new caliper brackets.

Part#'s
ARGX-8110L (LEFT)
ARGX-8110R (RIGHT)

You can get bearings and seals from them as well.

-J[/QUOTE

so you think standard MII rotors should fit theese spindles? I have a TCI MII setup on my 50 chevy truck maybe I should try swapping a rotor.
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Old 06-07-2010, 09:20 PM
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Quote:
Originally Posted by fast68
hmm intersting ive enver seen rotors with holes in them like that except maybe on 1 ton trucks etc, hmm. is that what is found on the 77 older stuff?

ive never really had any cars that old, they are too rare here,

ive only had 60s and 70s trucks trucks, so i am not sure,
also never seen calipers that say delco moraine on them., thats pretty odd looking to me also. interesting...

well the car is 74 years old and judging by the crushed velour interior and lacquer paint I would say it was customized sometimes in the 70's. the right rotor has holes the left does not.
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Old 06-07-2010, 09:33 PM
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Fast 68 thanks for making me take another look at my pictures, my front track width is wider than i like and looking at that rotor explains some of it. look how deep that rotor is. it's almost like having wheel spacers
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Old 06-08-2010, 12:18 PM
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Quote:
Originally Posted by 71corvette
Fast 68 thanks for making me take another look at my pictures, my front track width is wider than i like and looking at that rotor explains some of it. look how deep that rotor is. it's almost like having wheel spacers
I would definitely try your other rotors on these spindles as they should work no problem fitting on the pin. I really think the only issue you may encounter is the caliper brackets due to the offset on the rotors.

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Old 06-12-2010, 10:04 PM
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Quote:
Originally Posted by 71corvette
so should standard MII tubular control arms work? I measured them against the TCI ones I have on my 50 truck and they seem to be about the same
Looking at the pics of that crossmember, I would not put the tubular a arm conversion on it..It's not boxed, it looks like fairly thin material and the tubular a arms/ pivot tube don't do well when installed in a crossmember like that. It really looks like a donor car crossmember, which is about all anyone had back in the '70s...Those are really thin, and not suited for the tubular arms at all. There have been several threads about MII tubular A arm crossmember failures..

Here's one pretty good one that discusses some of these points.
IFS failure = tragic results

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Old 06-12-2010, 11:15 PM
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Chevelle rotors will fit a Mustang spindle, if you use a combination of GM and Ford bearings, with the right seal. The telltale for this will be the spindle nut, the conversions use a thin nut, about 1/4" thick, with a thin captive washer on the back. Unfortunately, the kits are not all the same. Some used 69 to 72 rotors, some use 73 to 77 rotors, and some use 78 to 87 style rotors. unless you know which jit was used, you will have to compare parts to get the right one. All the kits use the samw GM Delco Moraine calipers.

I agree that crossmember looks too thin for tubular control arms, but you could use a tubular strut rod with the control arms you have now.
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