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48 Ply p15 Swap

Discussion in 'The Hokey Ass Message Board' started by old rat, Feb 27, 2010.

  1. old rat
    Joined: Oct 22, 2009
    Posts: 93

    old rat
    Member

    Have decided to upgrade my 48 Plymouth 2 door sedan (p15). Want modern reliability for daily driver and teardrop towing. Have minimum budget and would think that a single doner would be best. Ease, cost and mpg are concerns. Car has good solid frame at this time so can't see need in doing frame swap. S10 p/u or blazer or a Dakota would be best in my mind. V6 with auto. Don't want a big hp car. Any one done this ? Input please.
     
  2. Do a search in the archives...I know there is a plymouth thread somewhere that has the info your looking for.

    I searched a little and didn't find it, but I remember readingthrough it a while back. Talked about frames and motors people had swapped into there dodge/plymouths.
     
  3. ZRODZ
    Joined: Jun 21, 2009
    Posts: 449

    ZRODZ
    Member

    Sounds like a project for a slant six, maybe with a Volare front clip. Good milage, good ride, fair power and cheap.
     
  4. oldfardyfode
    Joined: Feb 9, 2006
    Posts: 227

    oldfardyfode
    Member

    p15 Question :..... Possible Solution # 1--""Roadster Jeff"" here on the Hamb is "offering to sell" a 40 Plydo with a Dakota 6 cyl chassis....He had a lotta channeling going on with it (interior pics) He may be willing to tell you everything he knows about it.... Solution 2---Mayhaps U can do it with a stock Dakota frame with dropped spindles....#3---Plydo suspensions were light years O Head of the others in ride and handling (My sorry opinion ) So mayhaps a rebuild of a stock front end especially with dropped spindles and HD shocks might do U right proud....#4.Bolt in crossmembers are available....-Some fella out in Arizona, I believe it was, was using DAKOTA front ends on old vehicles...Don't remember wether it was crossmembers or grafting on the Dodge Dakota front end....Maybe someone else will be able to give U accurate Info on this particular solution G-luck Cj.
     

  5. 46binder
    Joined: Jan 21, 2008
    Posts: 245

    46binder
    Member
    from Kenosha,Wi

    I have a 49 Dodge and have done a Dakota front subframe, it was my first and was pretty easy, followed directions from someone on the P15-D24 website, the Dakota frame actually slides into the original frame. If your frame is good, do a search, you can get disk brakes for your car, and the best change to your stock frame is a top shock mount relocation. Your suspension is good, and disc brakes and shock are all thats pretty much needed, unless you also want dropped spindles which are also available. Heres two pics of my subframe.
     

    Attached Files:

  6. old rat
    Joined: Oct 22, 2009
    Posts: 93

    old rat
    Member

    I know the front suspension can be upgrade but beyond my budget. A complete doner (and I will check out dimensions on the Dakota) is about the only way I can do it that would give me better brakes and rear end and auto trans that I can get parts or fixed while out on the road. I do a lot of travelling and camping. I need reliability.
     
  7. phukinartie
    Joined: Oct 8, 2008
    Posts: 965

    phukinartie
    Member

    Blech!! I hate frame swaps! Just do a sub frame and rear end change out, much easier and cleaner
     
  8. keep the stock suspension and use a chevy cavalier rack and pinion.

    If you put a V8 in you will or may have big problems with the headers on the drivers side with the stock steering box.

    Did a couple early 50's swaps and that was my biggest issue!
     
  9. 46binder
    Joined: Jan 21, 2008
    Posts: 245

    46binder
    Member
    from Kenosha,Wi

    I did the Dakota subframe for the same reasons, the brake upgrades, dropped discs, rack and pinion upgrades cost too much, I got the dakota subframe at the Piack n Pull on 1/2 price wednesday for $38, sold the scrap for $55, can't beat that. I don't believe you can use the whole frame, the Dakota kicks up in the rear behind the cab, wont fit the P15 profile. no problem with using the rear axle though.
     
    FNG likes this.
  10. If you can buy this issue of Speed Mechanics. It has a tech artical on how to put a early corvette 265ci engine into a 46 Plymouth(almost same as 48).

    Speed Mechanics Feb 1960

    click on link above
     
  11. old rat
    Joined: Oct 22, 2009
    Posts: 93

    old rat
    Member

    Which clip would be the best fit for the 48 p15 chassis; Dakota, S10 or S10 Blazer ? Anyone know?
     
  12. Stefan T
    Joined: Sep 15, 2008
    Posts: 2,165

    Stefan T
    Member
    from Sweden

    Up grade your brakes to discs and keep the original front suspession and upgrade the steering box to GM Opel, Saab, Chevy Cavalier r&p steering.
    The cars will work verry well on the road.

    [​IMG]

    Like this
     
  13. George
    Joined: Jan 1, 2005
    Posts: 7,726

    George
    Member

    About 10 yrs ago a guy in Sylacauga was trying to do the S10 frame swap & last I heard, back then, he'd just about given up on it.
     
  14. pugs
    Joined: Dec 18, 2008
    Posts: 498

    pugs
    Member
    from Hamburg Pa

    i would think the dakota clip would be to wide for the plymouth
     
  15. 46binder
    Joined: Jan 21, 2008
    Posts: 245

    46binder
    Member
    from Kenosha,Wi

    The pre 92 dakotas are 5 lug, and the Dakota frame is the same , slides together into the original. Don't know about the s10's, but keep it Mopar. Weigh your costs though, if you buy a subframe from a junkyard you still will have to go thru the frontend and rebuild it, same as you would the stock.
     
  16. My 2 cents... upgrade to disc brakes up front (try Scarebird), rebuild the front end, and quit worrying about putting in a subframe. As for engines, go look at what shadowmtkustomz (here on the HAMB) did to his '50 Dodge - swapped in the whole drivetrain (273 V8, auto tranny, and rear end) from a '66 Valiant and it looked a heck of a lot easier than some of the other heart transplants I have seen. He got the whole car for $400 off Craigslist and did the transplant in the driveway. Check it out.... and good luck!

    http://shadowmtkustomz.blogspot.com/
     

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