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  #91 (permalink)  
Old 01-07-2009, 09:45 AM
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S10 to 49 Olds

Glad you decided not to cut the frame. You are going to be happy with this setup. I can't get the Wiki's to open today, so I'll have to go from memory.
As Chieftan stated, the upper control arm is mounted at an angle (from level) for anti dive. I used 8 degrees (about 1/2 inch as I recall). If you are talking about the upper A not being 90 degrees off the frame, yes, it is angled back to create the positive caster.
For spindles, the 58 Pontiac ones work great. I still have a set, as I went with the drop spindles. Drums for the 58 were still available last year from O'Reilleys, or they can be converted to discs.
Note; the lower ball joint mount on the 58 Pontiac A frame is very wide. Other than the stock ones, and the custom setup from CPP, I didn't find any other spindles that would work.
I stacked 1/2 inch of shims in my setup at the static position. Might be a little much, but I had the engine in and measuring to set up both side exactly the same was tough, so I wanted extra adjustment room. Also the extra room allowed me to try several different caster settings. For some reason the car tracks better at 2 - 2 1/4 than it did at 3 +, which surprised me.
Good luck.

Chieftan, did you get yours on the road yet?
I haven't started the Stude. Decided I needed a hauler first, so I'm working on a 54 pick up, with a 500 caddy in it. drop me a line.

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  #92 (permalink)  
Old 01-07-2009, 09:53 AM
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s10 to 49 Olds

One more thing ( It's a ***** when the old memory won't pull up the trivia like it used to). I can't remember if we confirmed the application for the 39 Olds.
If the info isn't in the WIKI, let me know. Size of the lower A frame, symetrical design, and mounting holes width on the cross member should be all you need to check.
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  #93 (permalink)  
Old 01-07-2009, 12:14 PM
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39 olds frame

Hi Guy's,
I have never done this before so your help is WELCOME and THANK YOU!
Before I start any thing I'm going to compare the 58 Pont lower arm measurements I got from earier in the post and compare them to the 39's lower arms. Then If that is a go I will take the Coil Spring out of all 4 corners and level it front to back and side to side at the ride height I'm looking for.
So far I have decided to go with '58 Pont Arms, '63 Pont Spindles, Scarebird Adaptor plate and '77 Pont Rotor and Calipers. This will be cheaper than the $699 CPP wants for there Complete Drop Spindle Brake kit for '67-70 Chevy.

I attached a couple photos that I would like both of you to look at just for clarification. Am I understanding both of these right?
Thank You,
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  #94 (permalink)  
Old 01-07-2009, 12:35 PM
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Also I forgot to tell you that I have access to a Camber/Caster Wheel Alignment gauge so I hope this will make my life a little easier? I was going to go with 3 deg + Caster at Static Set-up because my coupe already has power steering on it. Is that OK or to much? As for the Camber is .5-1 deg + about right?
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  #95 (permalink)  
Old 01-07-2009, 12:59 PM
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s10 to 49 Olds

The first picture is correct. 8 to 10 degrees. If you go 10, check for binding in the upper ball joint to spindle area.
Second picture. That is not an optical allusion. the mount is not parralel to the frame, neither is the lower. Exactly how much angle will be a funtion of how much positive caster you build into the static setup. 3 degrees is a great place to start.
Having a gauge is a big help. Not sure I understood your camber specs. I mocked mine up at 0 camber on both sides. Things have a tendency to change with the full weight of the vehicle out on the tires and tire size can change it. Starting at 0 is safe.
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Old 01-07-2009, 02:03 PM
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Thank you very much, you answered both questions. The second photo was the one I really didn't understand. Once I get all the parts rounded up and the temp here in Wisconsin gets above freezing I will start putting it all together and let you all know how it turns out.
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Old 01-08-2009, 07:20 AM
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After totaling everything together last night and comparing the prices it is $160 more if I use the Drop Spindle brake kit from CPP and I get a NEW Master cylinder,Booster and hardware. So I'm going to use there Kit.

Oldguy829, When you used CPP's Chevy Dropped Spindle did the Ball Joints from the '58 Arms fit in the spindle holes without any modification? If not what did you have to do?
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  #98 (permalink)  
Old 01-08-2009, 09:34 AM
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s10 to 49 Olds

Yup, the kit was cheaper than piecemeal, and it all worked together.
From memory ( here we go again) The ball joints and spindles were compatible. As noted, I did have to shave the outer A frame a bit.
You may have an issue with the steering arms. I ended up with Chevelle arms to match the throw on my R&P, so I can't remember if the original arms fit the chevy spindles.
If not (bolt pattern) you will need chevy arms. You mentioned power steering. Good time to review the steering geometry. Is the pitman arm the same length as the original? Are you using the original tie rods? If all the steering is original, you will need the steering arms to be the same length (pivot length, not overall) as the original and at the same height and ackerman. Relatively minor job to bend them to match.
Don't panic, we can deal with that when you get there, just giving you a heads up.

reminder - the 7 inch booster is not ideal. Go larger if you can, or dual diaphram.
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Old 01-08-2009, 02:51 PM
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As long as I am tearing the whole front end apart I'm planning to spend $40 for a used Cavalier R&P and get rid of all the OLD steering components. As for the kit from CPP I have a choice of 7,8 or 9" booster.
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  #100 (permalink)  
Old 01-09-2009, 11:21 AM
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s10 to 49 olds

If you have room, go for the 9 inch.
Check out the wiki on the cavalier rack install. One issue is the length of the steering arms. To get them in sync with the rack travel I used Chevelle front steer arms and flipped sides to make them rear steer (slight grinding to fit the spindle but I may have had to ream them to fit). If you use the stock chevy arms they are too long and will reduce your turning radius.
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  #101 (permalink)  
Old 10-22-2010, 04:57 PM
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My father ran a small booster in his 34 ford and it turned out to be inadequate. I would run as big as will fit.

Last edited by Onefunponcho; 10-22-2010 at 05:02 PM.
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