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  • 1965 - 1973 Classic Mustangs -General/Talk-
  • Classic Mustang Specific Tech

G-Force and Tremec Transmissions for a 70 Mustang?

  • Thread starter Thread starter wickedmach1
  • Start date Start date Jul 18, 2004
W

wickedmach1

New Member
Apr 8, 2003
376
0
0
Austin, TX
Jul 18, 2004
#1
  • Jul 18, 2004
  • #1
Anyone have expierence with G-Force transmissions? Thinking of using my T-5 case and use the G-Force internals for the 70 Mach which will have a 393 stroker pushing around 450 - 500 HP. I know the Tremec 500 and 600 are out, but am worried about the fit. I don't want to cut the tunnel and I want standard, so the C-4 or AOD is not an option. Anyone have a 69 or 70 Mustang that has performed this modification? Please help.
 
6

65racecoupe

Founding Member
Mar 24, 2002
1,066
0
0
Tempe, AZ
Jul 18, 2004
#2
  • Jul 18, 2004
  • #2
Well, in my 65, I was really worried about my TKO swap.

My 302 engine does tilt back a couple of degrees, but it is not bad. That is just because the TKO is taller than a C4 or Toploader. I didn't do any cutting, nor did 2bav8 in his 66 coupe.

With a 70, you should have the room, if I am not mistaken.

As far as the G Force transmissions go, it seems like a good idea. I found out about that after I already had my TKO. If the G Force trannies do work, then you have about 30 less pounds (70 vs the TKO's 100) and a little less HP drain.

I do like my TKO. It is my favorite modification. I love shifting, and I love the overdrive.
 

Hack

15 Year Member
Mar 23, 2004
1,945
13
69
Minneapolis
Jul 18, 2004
#3
  • Jul 18, 2004
  • #3
If you do a search of the forum you will find a few long and detailed threads on this subject. I haven't done the swap, but I'm planning on it eventually.

From what I've read here and other places, the bottom line is you have to cut the tunnel to keep a stock angle on the drivetrain. The kits available from the aftermarket change the angle of the drivetrain.

However, there are several people on this forum who have put a Tremec in their Mustang without cutting the tunnel and have plenty of miles on the combo with no adverse effects.
 
G

gp001

Founding Member
Jun 30, 2001
4,401
0
66
So. Cal.
Jul 18, 2004
#4
  • Jul 18, 2004
  • #4
You could always go with a Richmond 6 speed
 
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