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  Mustangsandmore Forum Archive
  Ford Thunderbird
  3.8 to 5.0 swap

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Author Topic:   3.8 to 5.0 swap
83T-bird
Journeyman

Posts: 12
From: SC
Registered: Jan 2005

posted 01-07-2005 05:23 PM     Click Here to See the Profile for 83T-bird        Reply w/Quote
I have an 83 Ford Thunderbird with a 3.8L in it. I'm going to be swapping it to a 5.0L out of a newer model cougar. I know I need the thunderbird motor mounts for the 5.0, but can I use the factory crossmember. Also does anyone know if the factory tranny will work with the 5.0L?

N266fords
Gearhead

Posts: 1662
From: Sierra Vista ,Az USA
Registered: Apr 2003

posted 01-07-2005 05:40 PM     Click Here to See the Profile for N266fords        Reply w/Quote
welcome To M&M I can't help you, but someone will be along shortly I am sure.
Enjoy the best ford site on the Net
Bruce Williams

[This message has been edited by N266fords (edited 01-07-2005).]

Mooney
Gearhead

Posts: 2357
From: Marietta, Ga
Registered: Oct 2003

posted 01-07-2005 06:17 PM     Click Here to See the Profile for Mooney        Reply w/Quote
Well, heh from just reading, it sounds like you might have quite a task on your hands. But heres a link that seems to be pretty informative.
http://www.coolcats.net/tech/advanced/ho_swap.html

Good Luck and Welcome to M&M
Luke

83T-bird
Journeyman

Posts: 12
From: SC
Registered: Jan 2005

posted 01-09-2005 11:12 PM     Click Here to See the Profile for 83T-bird        Reply w/Quote
thank, you for your replies, and for the website link. It is a very informative site. It answered alot of my questions. Yes, I have my work cut out for me, but it will be worth it in the end.

393Bird
Gearhead

Posts: 188
From: Clarksville Tn.
Registered: Feb 2004

posted 01-13-2005 11:36 AM     Click Here to See the Profile for 393Bird        Reply w/Quote
For the amount of work it will take, I would consider doing a 351 swap instead. They fit in the Fox body very easy. Mine is the later MN12 series, and takes a lot more to do a 351, but that is what is in mine.

------------------
1993 Tbird
393 stroker, 3500 RPM converter
http://members.tccoa.com/393bird/

STEVEB
Journeyman

Posts: 75
From: ottawa on. canada
Registered: Sep 2004

posted 01-13-2005 04:05 PM     Click Here to See the Profile for STEVEB        Reply w/Quote
The K frame is the same for a 3.8 or 5.0L use motor mounts for a 5.0L mustang,yes your aod(I take it its an AOD) will bolt up to the 5.0L,but you may want to have it checked out,you'll need a t.v. cable from a 5.0L mustang if you're going to run EFI,if you're going to run a carb,then you'll need a cable like the one available from Lokars,you will also have to get a flexplate for a 5.0L mustang.

Hope this helps

Steve

Moneymaker
Administrator

Posts: 29200
From: Lyons, IL, USA
Registered: May 99

posted 01-13-2005 04:28 PM     Click Here to See the Profile for Moneymaker        Reply w/Quote
83 T-Bird with a 3.8 is probably a C-5 with a lock up.

------------------
Alex Denysenko
Co-Administrator and Moderator

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83T-bird
Journeyman

Posts: 12
From: SC
Registered: Jan 2005

posted 01-14-2005 07:21 AM     Click Here to See the Profile for 83T-bird        Reply w/Quote
I had originally planed on using the 351. But was recently offered a 302 with keith Black flat top pistons, and a 5.90 cam, for around $500.

Finding 5.0L mustang parts should be easy there are hundreds of them around here. Thats one reason why I went with the T-bird instead of the mustang.

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