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V6 - V8

  • Thread starter Thread starter masterflex
  • Start date Start date Aug 21, 2008
M

masterflex

New Member
Aug 21, 2008
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Aug 21, 2008
#1
  • Aug 21, 2008
  • #1
V6-vs-V8

I have a 99 with a 3.8 5 speed manual shift, all factory. I want to put a 1985 302cid. carburated in it. Do I need to swap the trans.? Will my cuurrent bellhousing bolt to the 302 ? & flywheel ? Any advice greatly appreciated .
 

cruisinV6

New Member
Mar 16, 2003
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SE Minnesota
Aug 21, 2008
#2
  • Aug 21, 2008
  • #2
Do a search on here, there have been so many threads and posts on this issue. Just so you know, its probably more work than you want to do. You have to switch out everything from motor, trans, rear end, and many things you probably haven't thought of.
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,274
17,963
224
Massachusetts
Aug 22, 2008
#3
  • Aug 22, 2008
  • #3
masterflex said:
I have a 99 with a 3.8 5 speed manual shift, all factory. I want to put a 1985 302cid. carburated in it. Do I need to swap the trans.? Will my cuurrent bellhousing bolt to the 302 ? & flywheel ? Any advice greatly appreciated .
Click to expand...



Unsure if the 3.8L and 5.0 share the same bolt pattern. I know 94-95 5.0's and 3.8's have different bellhousings, so you may have to pick up a 94-95 5.0 t-5 bellhousing. The t-5 from your car is actually rated at 300 ft-lbs which is stronger than the T-5 availble in 1985.

Don't use the 1985 flywheel. It's a 10" flywheel. You'll want an 87-95 5.0 flywheel and a 10.5 clutch.

You'll also need to revamp the fuel system to a carb-style setup, change the fuel pump to a lower volumn pump, run new fuel lines and bypass the PATS system i beleive in order to start the car with much of the EFI engine harness removed.

Hopefully you can handle such a project
 
M

masterflex

New Member
Aug 21, 2008
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Aug 23, 2008
#4
  • Aug 23, 2008
  • #4
Mustang5L5 said:
Unsure if the 3.8L and 5.0 share the same bolt pattern. I know 94-95 5.0's and 3.8's have different bellhousings, so you may have to pick up a 94-95 5.0 t-5 bellhousing. The t-5 from your car is actually rated at 300 ft-lbs which is stronger than the T-5 availble in 1985.

Don't use the 1985 flywheel. It's a 10" flywheel. You'll want an 87-95 5.0 flywheel and a 10.5 clutch.

You'll also need to revamp the fuel system to a carb-style setup, change the fuel pump to a lower volumn pump, run new fuel lines and bypass the PATS system i beleive in order to start the car with much of the EFI engine harness removed.

Hopefully you can handle such a project
Click to expand...

thank you for the replay ! now I at least have a direction to pursue. ? will a T45 trans. work ?
 

Mustang5L5

That is…until I whipped out my Bissell
Mod Dude
Feb 18, 2001
43,274
17,963
224
Massachusetts
Aug 23, 2008
#5
  • Aug 23, 2008
  • #5
t-45 won't bolt up to a 302 block
 
D

dlascorpio21

New Member
Sep 1, 2008
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0
Sep 1, 2008
#6
  • Sep 1, 2008
  • #6
tb & plenum

hey anyone know if you can swap a 99-04 v6 plenum and throttle body for the same year gt's plenum and throttle body, or what would i need to do to make it work?
 
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