1937-1957 Buick Oldsmobile Pontiac suspension upgrade - Hot Rod Forum : Hotrodders Bulletin Board
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Old 06-09-2010, 10:13 AM
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1937-1957 Buick Oldsmobile Pontiac suspension upgrade

BIG PROBLEM!!

Hello all I need some help!! I have just finished following the Wiki for upgrading the front suspension for 1937-57 BOP. My '39 olds looks great but I have hit a snag!! I used the 65-70 chevy spindles from CPP that were in the wiki BUT I don't have any steering arms. The Olds arms won't fit and the wiki says you can use stock 65-70 arms but I can't find any!!

I would like to take the next step and install a Rack-n-Pinion as in the Swapping to rack and pinion Wiki BUT in the wiki it says

"On the 41 Pontiac upgrade covered in the wiki “37 - 57 Buick Olds Pont suspension upgrade” we were able to replace the original 65-70 Chevy steering arms with a set from a 55-57 chevy

I called Speedway Motors and they told me the 55-57 arms will not fit my 65-70 Spindles. I NEED SOME HELP!!!!

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Old 08-01-2010, 10:55 PM
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37-57 bop suspension

I noticed your post has not been responded to . Has anyone sent you a pm with a possible answer. I'm checking closely since I wanted to do the same thing with a 37 buick coupe. I hope we can touch base so that I can hear how things went for you once you located a pair of steering arms.
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Old 08-02-2010, 05:32 PM
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Trying to make it work

No one offered any info or ideas so I was On My Own.
I did find a used set of 65-68 steering arms. I don't know how well they will work becouse they bend in toward the center of the car but I will try them.
I'm also using the original olds center link and inner tie rods (with a little machining to adapt them to '70 outter rods). I hope to have it all back together and on the ground this weekend. I will take some photos for you.
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Old 08-02-2010, 06:55 PM
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Thank you. Photos will be worth a thousand words. Just a thought. The tech article said something about switching the sides the steering arms are used on to make them work properly. Please recheck the article again for clarification.
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Old 03-14-2011, 09:27 AM
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37-57 bop suspension

Have you upgraded your '37 Buick suspension? I also have a '37 Buick project and would like to upgrade to ball joints. I would be very interested to hear how things went for you. Did you use the '63 Pontiac spindles or the '65-'70 Chevy drop spindle and what was the resulting height of your front end?
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Old 03-14-2011, 01:43 PM
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1937-1957 bop suspension upgrade

I have a 1937 Buick Roadmaster (81 Sedan) that I'm just starting work on. The car was bought used in 1942 by my Grandfather (Mutt owned Ace Garage in Denver for many years).
I'm considering performing the upgrades described in:
wiki/1937-1957_Buick_Oldsmobile_Pontiac_suspension_upgrade
and
wiki/Swapping_to_rack_and_pinion_steering.
Can anyone answer the following questions:
1) In the supension upgrade, the '58 Pontiac spindles were swapped for '65 - '70 CPP drop spidles because the vehicle sat too high. Were the drop spindles required to make the vehicle to stock height or lower?
2) Was stock engine in the '41 Pontiac used for that upgrade?
3) How low was the front of the car with the drop spindles?
4) Has anyone lived with this type of conversion for a while who can share long term results?
Thanks,
Mutt's37Buick
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Old 03-20-2011, 09:19 PM
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Brake up grade

Shoot i to was thinking of doing the disc brake up grade but maybe i'll wait the 57 olds is a heavy old beast to stop with the drums though .
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Old 03-23-2011, 08:02 PM
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I bought a front disc brake kit for a 55 Pontiac chiefton last summer. Got it from ABS Brake parts in Orange,CA. Not sure if they have exactly what your looking for, But they do some custom stuff too. The kit I have uses the stock spindles, making it fairly easy. I have personally installed their stuff and didnt have any issues. Hopefully they might be able to help you out.
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Old 03-24-2011, 01:03 PM
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Thanks for the advice
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Old 03-25-2011, 08:08 AM
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hard to find parts.

We've got a 37 pontiac in the shop, 400 sbc and posi pickup rear, front has not had any work done on it. I've decided it would be easier to trim off the spring pockets off the outside of the frame , box the\outside of the rails and swap in a Jaguar sedan front suspension. My son also has a 36 olds sedan . body off and the frame looks the same as the pontiac. the jag swaps on pickups put them down low. the whole jag fronts or rears go for $ 100 each around here at pull your own yards.
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Old 03-25-2011, 08:38 AM
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Thanks very much for the feedback.
So far I have not received any direct experience answers to my questions on the two wiki articles.
1) What model & year Jaguar is your front susp. from?
2) I saw some pictures of a chevy sedan with a rear jag suspension at: http://www.cars-on-line.com/50127.html. Spoke with the owner and it's an aftermarket suspension custom set up and cost him $4K. It looks very cool.
3) Have you ever installed a jag rear end or know how difficult it would be?
4) Would you mind sending some pictures of the cutting, boxing ,and install of the new front suspension? This would be a great help because this will be the first time I undertake this.
Thanks
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Old 03-26-2011, 03:54 AM
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jag conversions

Jag suspensions are very popular in the UK, Austraila, New Zeland and there is quite a bit of of info posted on their Rod web sites. a couple guys that post here on HR have used Jags. I currently have 4 jag rears on pallets 2 xjs fronts and 2 F 40 fronts. for our projects. We put a XJS rear in my son.s 22 Dodge lakester. Jag rears are popular in T buckets and there is info on the Tbucketeers and NTBA sites. We used the plans from CCR for building a T bucket, The Jag plans are only $ 5. I copied the Jag brackets and used them to cut the stuff on the optical tracer plasma at the college street rod class. I had some problems . I think the copy machine distorted the prints. The next time I will use the prints to redraw my patterns on white card stock paper. We cut up the rear jag cage-crosmember to use as drill pattenrs for the 3/8 steel plate we used. Most reccomend using the stock rubber mounts for the front suspension. It allows stress points to be better distributed through to whole crossmember. For detailed info you can go the the HAMB website. a lot of pictures and builds shown there/ search Jaguar and you will probably find a dozen builds. They had a list of the years, dimensions, wheel track, width gear ratios available. etc. the Jag rear is a bit different than the US Dana 44, some parts can be used with Mod's.
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Old 03-26-2011, 09:54 AM
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Hi Timothale,
Thanks so much for the info. This looks like a real option that would save some cash and provide a great handling safe ride.
Pictures of the front suspension mods as they are done to your '37 Pontiac would be a tremendous help since it would match my Buick.
It would also be helpful if you could show the boxing of the rails.
My car was my Grandparents car, and is my first street rod, so I want to do it right.
Thanks,
Mutt's37Buick
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Old 03-26-2011, 02:14 PM
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car projects are on hold

I am in the middle of remodeling the kitchen, and before it will be done, the snow will melt and I will be daylight till dark running the backhoe. and tractor working on the farm. We also are building a duplex, in any spare time. The hamb guys might have some info. have you seen the 57 buick posted there with the jag conversion? search jag ifs or jag irs. the jaguar xjs sedans 70's and thru about 86 or 7 that have the disc brakes in the center are the easiest. the years overlap in the late 80's between the F 40 and xjs. the F 40 moved the brakes out to the wheels and are usually not used for swaps . somewhere on the hamb wad a couple pages of model and dimemsions.

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Old 03-28-2011, 10:55 AM
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Man you've got a lot on your plate.
When I feel pressured I'll think of what your doing.
Thanks so much for the leads on HAMB they are pretty well written with lot's of pictures.
My biggest concern is cutting off spring pockets, boxing correctly, and correct set up.
I found a book at the library that shows install of a Mustang II front on a Buick end named "Project street rod : the step-by-step restoration of a popular vintage car / by Larry Lyles". It will probably be helpful too.
Good luck with all your projects.
Thanks
Matt's37Buick
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