5 Speed is IN and kicking!

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chemeng

New Member

Feb 21, 2004

93

0

0

Louisville, KY

Aug 24, 2005

#1

• Aug 24, 2005

• #1

Just got my '65 Fastback with some improvements. Added a Tremac 5 speed and Tri-y headers. What a jump in performance. I installed a posi with 3.55's last year and saw a little improvement, but dumping the Cruise-O-Matic was the best decision yet. Had a little clearance issue with the headers and the power steering cylinder, I had the drop bracket but had to extend it down another quarter inch to clear. She really screams now, gonna be expensive keeping rear tires on her! Mike

 

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race-rodz

New Member

Jul 31, 2005

44

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0

Aug 24, 2005

#2

• Aug 24, 2005

• #2

just outa curiousity... what are you running for clutch linkage? cable, manual, hyd?

 

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chemeng

New Member

Feb 21, 2004

93

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0

Louisville, KY

Aug 25, 2005

#3

• Aug 25, 2005

• #3

Went with the manual linkage, wanted the original look, but today's performance. Mike

 

red65

Member

Apr 12, 2003

411

0

17

Ann Arbor, MI

Aug 25, 2005

#4

• Aug 25, 2005

• #4

Which trans did you install? Is it the Tremec T-5 (same trans as Fox-body Mustangs) or one of the heavier units (TKO, TR3550, etc...). I have a T-5 in mine, but am counting the days until a little over-enthusiastic driving blows it apart, but have heard that the TKO / TR3550 / etc is a tight fit that requires some 'massaging' of the trans tunnel. By 'massaging' I mean cut out and replace...

What's your experience?

 

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Cbarton

New Member

Feb 27, 2003

176

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0

Santa Ana, CA

Aug 25, 2005

#5

• Aug 25, 2005

• #5

Did you have any clearance issues? How do the angles look?

Chris Barton

 

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chemeng

New Member

Feb 21, 2004

93

0

0

Louisville, KY

Aug 25, 2005

#6

• Aug 25, 2005

• #6

It's the Ford Racing Super Duty T-5 but has Tremac stamped into the case. The angles are the same as my old Cruise-O-Matic. Had to massage my bellhousing to accept the starter, but the tunnel had no clearance issues. I replaced the old '65 motor mounts with the newer design '66 mounts to clear the headers away from the shock towers. The headers are pretty close to the starter also, I am sure the extra heat will reduce my starter life. Mike

 

66P51GT

New Member

Nov 7, 2003

721

1

0

Cerritos, CA

Aug 25, 2005

#7

• Aug 25, 2005

• #7

Check out G-Force: http://www.g-forcetransmissions.com/tran_gt-5.asp

Bullet-Proof internals for your T5.

 

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cgstang

New Member

Mar 5, 2004

16

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0

Aug 25, 2005

#8

• Aug 25, 2005

• #8

I put a tremec in my 68 fastback with minimal clearance issues. Since the tremec is basically a top loader with an overdrive. If you have a top loader 4 speed bell housing all you need is a spacer plate or a shorter input shaft. They are both available at about any mustang part supplier. I think I got mine from CJ's. If I remember right the shifter hole had to be enlarged. Your going to need a new crossmember and driveshaft work. Best money spent though. It's nice cruising around 80 at 2800 instead of 4k!

 

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chemeng

New Member

Feb 21, 2004

93

0

0

Louisville, KY

Aug 25, 2005

#9

• Aug 25, 2005

• #9

Did not have to enlarge the shifter hole, but the driveshaft had to be shortened and balanced. Cost me a hundred bucks to do the work.

 

zookeeper

Founding Member

Aug 25, 2001

3,415

63

109

Rogue River, Oregon

Aug 25, 2005

#10

• Aug 25, 2005

• #10

Just out of curiosity, what RPM are you turning with the 3.55's at about 65mph? Does the Tremec have the same fifth gear ratio as the regular T5?

 

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chemeng

New Member

Feb 21, 2004

93

0

0

Louisville, KY

Aug 25, 2005

#11

• Aug 25, 2005

• #11

The tach says 2300 RPM at 65 mph. 5th gear is 0.63:1, not sure what the regular T5 runs. I think there is a T5 option for a lower 5th gear. Summit Racing sells them new for $1,150.00. Not a bad deal.

 

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66stang302

New Member

Aug 25, 2005

3

0

0

Aug 25, 2005

#12

• Aug 25, 2005

• #12

Just curios. Did you have any clearance problems with the manual trans? I have a 66 conv, & I was looking into the Tri-y's. Some catalogs say to modify, others don't. Any info is good info.

 

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race-rodz

New Member

Jul 31, 2005

44

0

0

Aug 25, 2005

#13

• Aug 25, 2005

• #13

66P51GT said:

Check out G-Force: http://www.g-forcetransmissions.com/tran_gt-5.asp

Bullet-Proof internals for your T5.

Click to expand...

i can attest to the bullet-proof upgrade...... 416" windsor on drag radials. with the first motor (306 mechanical roller afr heads) i broke 1 reg T5...and 2 world glass T5's... normal street abuse..never attempted to drag race the car knowing the tranys would prolly break...after upgrading to the g-force guts... i havent had a single problem.

i run a wilwood hyd slave cyl, and tilton clutch master....... also running shorty headers which cook the crap out of the slave o-rings.... i usually replace them about every oil change....... so im looking for a better way while im in the "upgrade" mode.

 

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chemeng

New Member

Feb 21, 2004

93

0

0

Louisville, KY

Aug 25, 2005

#14

• Aug 25, 2005

• #14

Had to make a small dent to clear the starter and lower the power steering drop bracket another quarter inch, but fit great otherwise. Highly recommend, the sound is incredible.

 

66P51GT

New Member

Nov 7, 2003

721

1

0

Cerritos, CA

Aug 26, 2005

#15

• Aug 26, 2005

• #15

race-rodz said:

world glass T5's...

Click to expand...

Freudian Slip... <grin>

 

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race-rodz

New Member

Jul 31, 2005

44

0

0

Aug 26, 2005

#16

• Aug 26, 2005

• #16

ya ya.... i saw it..and was too lazy to edit it... i figured everyone would figure it out