Difference between T-45 and TR-3650?? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 10 Old 04-12-2002, 04:56 PM Thread Starter
 
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Difference between T-45 and TR-3650??

What are the differences in these trannies. Less problems in the newer TR-3650? Please inform me... thanks...

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post #2 of 10 Old 04-12-2002, 05:14 PM
 
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TB--good question--I thought I was just stupid but I would like to know also-- posted this to keep it at the top and maybe some transmission expert can help us ratman

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post #3 of 10 Old 04-12-2002, 05:20 PM
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Real easy go to tremecs websight. They will give you the complete breakdown on each.
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post #4 of 10 Old 04-12-2002, 05:24 PM Thread Starter
 
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CMAGLIO- from stangnet.com says...

this is what i can extract of any importance from the article:

-TR3650 has 360lb/ft torque capacity vs. T45 325lb/ft

-No speedo gear in TR3650 (I thought late model T45 had no speedo gear as well)

-Reverse is synchonized

-TR3650 new "multi-rail" shift linkage, i guess a little smoother than T45 supposedly

-TR3650 is filled with premuium sythetic ATF (mobil1) as the factory oil as opposed to Dexron III in T45

-Drain plug is on the bottom of the TR3650 vs. the side of the T45

Says the switch from TR3650 to T45 is a total bolt on affair with only minor modifications to the back-up lamp switch pigtail, and if it is a pre 99+ mustang the speedo needs to be converted to electronic instead of gears.

This is the title of the article "Shifting Evolution: TTC-Tremec's new TR3650 5-Speed combines the shift-ability of the T45 with the durability of the legedary TR3550"

In the real world though I have heard of some serious problems with the TR3650 including some crappy 1st gear lockout above a certain MPH and other annoyances like that... I have also heard it has not proven itself mroe durable than the T45 but who knows...

also.

may I have the link to Tremecs web site...???
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post #5 of 10 Old 04-12-2002, 06:07 PM
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I don't have any problems with the 3650 in my 02GT. Some peeps try to downshift into first but most manuals won't go into first gear above a certain speed. Peace

P.S. Their website really needs to be updated. Nonetheless there is some useful info on the site.

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post #6 of 10 Old 04-12-2002, 06:36 PM
 
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THANKS for info TB-- made a copy very good summary! WOW somebody finally put a drain plug on the bottom!!! I bet it took 4 years of engineering school to figure that one out--when I was 15 yo I asked my dad why the plug was on the side instead of the bottom and he kind of looked at me funny!!
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post #7 of 10 Old 04-12-2002, 09:01 PM
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This one is EASY....

The difference between the T-45 and TR3650 is that it will take just slightly longer to blow the 3650 up versus the T-45...

They are both crap, the TR3650 is just in a bit better package.

T-45
TR3650

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post #8 of 10 Old 04-13-2002, 01:23 AM
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There WERE some shift fork (1-2) problems in the first ones put in the later half of 2001.

other than that there have only been only a few total blow-ups and melt-downs that i've seen (and i look constantly on this and other boards, and i work at a dealer and check for them).

Only time will tell if it is better; it is still a relatively new unit.

the 2002 model year is only a few months away from turning into 2003 model year and there haven't been any apparent defects or major failures that i've seen.

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post #9 of 10 Old 04-13-2002, 01:28 AM
 
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Fixer, I agree, I've talked to a couple people who had complete failure with the 3650, but for the majority it seems to be pretty tough, no major problems. Maybe just a bad batch in some 2001s. I work mine pretty hard, still tight, maybe a little noisy, but no probs.

There was this guy at the track tonight with a 5 speed 5 liter running like low 11s aborting each run at some point. It's pretty impressive to see a 10 second 5 speed car, no question. I'm wondering what kind of tranny they are running.

Jeff
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post #10 of 10 Old 04-13-2002, 01:31 AM
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Quote:
Originally posted by nomore4bangers
Fixer, I agree, I've talked to a couple people who had complete failure with the 3650, but for the majority it seems to be pretty tough, no major problems. Maybe just a bad batch in some 2001s. I work mine pretty hard, still tight, maybe a little noisy, but no probs.

There was this guy at the track tonight with a 5 speed 5 liter running like low 11s aborting each run at some point. It's pretty impressive to see a 10 second 5 speed car, no question. I'm wondering what kind of tranny they are running.

Jeff
ususally its either a tremec TKO or a Tremec 3550.


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