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  #1 (permalink)  
Old 12-25-2008, 04:01 AM
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39 buick

Im new here Im building a 39 buick 4 dr I need help with ideas do I build new frame I have a Z28 sub for front end if I want does anyone already build a good aftermarket sub frame any advice from anyone HELP

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Old 12-25-2008, 08:24 AM
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1939 buick

See the wiki on this site for one of the best guides to that era buick olds
and pontiac suspensions even if you want to go with a subframe the info
is worth reviewing. Fatman makes a stub for this model if you feel ok
with the mustang 2 suspension on a vehicle of than weight- I don't.
the frame could be cut and a subframe graft done for a vehicle with a
closer weight match. There are a couple of places you can get disc brake
kits to mount to the existing suspension if you want to try that route also.
Good luck with your car- I am also slowly working on a 39 buick and they
are a nice ride but little aftermarket support. Merry Christmas- Jim
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Old 12-27-2008, 03:39 AM
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RustyOcala39

O Man there is so much to do I thank you Im afariad the Mustang 2 is a little light
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Old 12-27-2008, 06:45 AM
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1939 buick

I am using a disc brake kit from Mikes (510-501-6299) AND SCAREBIRD also
makes a kit fot these if you want to stay with original frame. I have talked to
a couple of people running original front ends with the front shocks having
the oil removed and tube shocks installed- they seem satisfied with this
setup. The rear end is a tourque tube so I am changing to an 8.8 from an
explorer. Is yours a model 41 or one of the even larger ones? Jim
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Old 12-27-2008, 10:02 AM
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Forget about the sub frame, they are way too wide for that car. And don't think you are saving money by using it either. By the time all the dust dies and you have bought the parts to rebuild the Camaro stuff it really isn't saving much money at all. The MII is the way to go.

Brian
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Old 12-27-2008, 11:03 AM
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Quote:
Originally Posted by jetnow1
Fatman makes a stub for this model if you feel ok
with the mustang 2 suspension on a vehicle of than weight- I don't.
- Jim
An after-market Mustang II derivative suspension would be just fine in your Buick. Your car is not as heavy as you might think, and the old Mustang II's are not as light as you might think (remember they were available with V-8's with A/C and P/S and automatic transmissions). Using a Heidt's front suspension with the tubular A-arms and eliminating the lower strut, and upgrading to 11" brakes, you will have a nice working suspension. If you have the width, a C-4 Corvette front suspension is the best. The earlier units 84-87, were a bit narrower than the later units. If you go this route rather than the sub-frame, you will also have a nicer looking chassis with a higher resale value.

Andy
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Old 12-27-2008, 07:47 PM
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39 frame

I am building a 39 olds business coupe. I think it has the same frame from the fire wall forward as your car. I used a frame stub from a 92 chevy caprice, and it worked perfect. The power steering gear didn't have to be moved and the front sheet metal sits down great. I had to move a small section on the left inner fender panel for the power steering pump and cut out for the upper a arm supports on both sides. By moving the outside frame rails out about 1 inch i was able slide the olds frame into the chevy stub about 8 inches and then weld it in. I cut the chevy frame off just in front of the steering gear and the front sheet metal sits right down over it. I moved the motor mounts back so the engine just clears the firewall. If I can figure out how I will post you some pictures.

Good luck
Mark
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Old 12-29-2008, 05:52 AM
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39 buick

one other item to watch on this year buick- they used a frame that ended
at the rear axle on the early models- using only the sheetmetal to hold
the rear. It did not work well- they changed to a full frame for the balance
of the model year. They also came out with a kit to reinforce the rear- if
you have the short frame you might want to reinforce the rear also. Jim
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Old 01-04-2009, 01:28 PM
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39 Olds Coupe Frame

Mark, I also have a 39 olds business coupe that I want to upgrade this spring. I has the stock frame and brakes that I'm sick of. I read the WIKI talked about in this post BUT don't like the idea of trying to find a set of '59 olds or pont lower control arms. Where did you join your original and caprice frames together? Do you have any photos of you frame project? If so could you email me some. I want to get as many ideas and input as possible before I decide to start cutting the frame.
Thanks,Randy
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Old 01-04-2009, 02:07 PM
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front suspension

The buick/olds frame does not lend itself to the mustang 2 front end due to
the frame configuration- thus the frame stub Fatman offers to change the
front of the frame to work. Seems about the same as doing a frame clip,
but without the limitations of the mustang 2
weight and brakes. The 1939 buick starts at about 3600 lbs stock- granted the straight 8 is heavy butso is any v-8 when you add automatic, air, etc.
IMO by the time you buy the frame stub, the mustang 2 front end parts, the
big brake option you would have more than doing a frame clip doing a sraight
rebuild and you still have to mount the front sheetmetal either way.
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Old 11-10-2009, 04:55 AM
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Hi,finding a frame for me was diff. I am building a 39 pontaic and couldn't find a frame that would work.seeing that my floor boards were so so I ended up using a 79 chevy 1/2 ton long box 2 wheel drive frame,took out 18 inchs out of the frame where it dropps,I cut out the floor boards and layed the body around the frame.I build a sub floor with 3/4 sq. tubing and sheet metal.I have 2 in drop spindals in the front.seeing that the firewall is so narrow it narrowed down my opptions.you proble would believe it uless you saw it but it really came out great,almost as though it belonged!
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Old 11-10-2009, 04:19 PM
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my 2 cents

I'm a first timer, my 39 Pontiac deluxe Coup is my first hot rod...350/700R4. I took all the front end stuff out, from horn button to spindle supports. I put in Fat Man dropped spindle supports, (just bolt in)....I torch bent my steering arms down a bit to get rid of bump-steer. I welded up some shock mounts to the stock lower A arms and Frame. The shock supports on the frame did not require any alteration of the body. The only problem was finding shocks that were not gas filled and had the right length and compression/rebound rate for the front of the car. It needs about 7-8 inches of movement.
I cleaned the stock parts, put them all back together, greased her up and drove it all summer. I have yet to take it up to X-way speeds for extended trip, but around town it works fine. I plan on yanking the stock column this winter and installing a 55 Caddy wheel, column, power steering!
I like my huge stock drum brakes, my car has power brake booster now and that sucker will launch you out onto the hood if you stomp on the peddle.
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Old 11-11-2009, 06:19 PM
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I have a 37 Olds with a Fatmans Stub frame. It went on like a dream. A little trimming on the inner fender panels and had to drill a hole in the front brace for the radiator mount. Haven't been on the road yet, so not sure how it will ride.
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Old 11-14-2009, 08:52 AM
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After doing some reading I have decided not to chop my frame off. I was able to find a full set of upper and lower control arms from a 1958 full size chevy. The lower bolt right on to the 39 olds frame and the only thing I have to fab s the mount for the upper. After that I will be installing a disc brake kit for a 1970 impala from CCP that includes dropped spindles and master cylinder with booster and it all bolts right up to the control arms. I will be adding a rack and Pinion so I will have to fam mounts for that but that will be it. I will have up to date disc brakes and steering without cutting up my frame. Next thing I need to do is find a good rear end to replace the '55 chevy rear that is in the coupe right now.
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Old 11-15-2009, 09:00 PM
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http://www.crankshaftcoalition.com/w...ension_upgrade


Nice the chevy parts will work also, post up some pics .

Also if anyone else is looking for these parts, I have the complete setup including upper lower Pontiac arms, spindles, disc brake kit, shortened inner tie rod assembly.
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