Author
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Topic: Need some info. on Tremmec.
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WANARNM
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Member # 587
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posted
I think its time to upgrade to a different tranny. (Broke last night ) Well i need to know what the 3550 and TKO are rated at. like in how much HP can they handel. Thanx. JR.
-------------------- 89’ Hatch. Completely stock.
Posts: 1390 | From: San Jose | Registered: Nov 2001
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JoeT
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Member # 298
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posted
They're rated more at torque then at HP, as HP is a function of RPM and I suppose trannies tend to break on sheer twisting forces, not sustained twist at rpm.
anyways, rated figures vary. 3550 is 350 ft/lbs to 400 ft. lbs depending on who's doing the talking. Seem to be pretty dependable down to the high 10 second range in a 3200 lb. car. Work with your standard 10.5" OE mustang clutch/pressure plate assemblies.
TKO internally is the same thing as a 3550, but has a bigger input/output shafts. Requires a different yoke on your driveshaft, and a unique clutch specific to TKO's. You can re-use your pressure plate. The rating is 400-500 ft/lbs. I'm pretty sure. These guys survive into the 9's as is I am told.
I am pretty familiar with the swap, I used a McCleod SFI (Steel) bellhousing and a spec stage III clutch and a UPR firewall/quadrant with the stock ford cable at the same time. I just completed the swap about two weeks ago.
TheBrain runs a TKO in his heavy old 'vert, and John91coupe had a TKO as well. Some other guy here has a 3550 too.
-------------------- 1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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FoFF
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Member # 1717
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posted
The TKO can take up to 650 hp I think.
Posts: 503 | From: Oakland, California | Registered: Aug 2002
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racercosmo
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Member # 1864
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posted
www.ttcautomotive.com Click on products at the top of the screen, then light duty, then 3550. That will have all the specs you need.
-------------------- Beauty is in the eye of the beer holder
Posts: 973 | From: Marin | Registered: Sep 2002
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WANARNM
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Member # 587
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posted
Thanx for the replys guys
I might go with the 3550. What will i need to do the swap? Will i be needing a new drive shaft, bellhousing? What exactly will i need. Thanx. JR
-------------------- 89’ Hatch. Completely stock.
Posts: 1390 | From: San Jose | Registered: Nov 2001
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cobraman_1994
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Member # 467
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posted
dont quote me on this, but im pretty sure that it will swap right in as is
-------------------- 86 GT
Posts: 4882 | From: eldorado hills | Registered: Sep 2001
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racercosmo
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Member # 1864
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posted
You will need a new bellhousing, and I think the driveshaft will need to be longer.
-------------------- Beauty is in the eye of the beer holder
Posts: 973 | From: Marin | Registered: Sep 2002
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Stimson
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Member # 51
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posted
Pretty much everyone gets away with the stock drive shaft. As for the bellhousing, you can get an aftermarket one or find one from a '83 (if I remember right) V8 mustang.
Posts: 2373 | Registered: Jun 2000
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93PONY
Mr. Valve Events
Member # 60
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posted
I've got a 3550 in my Cobra. Strong little tranny. Heavy Bitch though!
For some reason, the tranny bolted right up to my bellhousing. Most (including TTC) say you need a new bellhousing. Maybe I have an older Tremec.... Anyway, there are several housings that work. Ford has a part# for the 95Cobra R bellhousing that used the Tremec. Stock length DS works fine. I've got an FMS aluminum.
Tip: Grab some GM syncromesh from a dealer near you. That stuff will help your tranny shift smoother/last longer & doesn't find leaks like RedLine.
The swap is as simple as changing a clutch.
-------------------- www.advancedenginedevelopment.com SCT dealer Dynotuning
(916)715-7569
Posts: 4266 | From: Fair Oaks, CA | Registered: Nov 2000
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WANARNM
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Member # 587
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posted
thanx for the info guys.
-------------------- 89’ Hatch. Completely stock.
Posts: 1390 | From: San Jose | Registered: Nov 2001
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cobraman_1994
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Member # 467
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posted
quote: Originally posted by 93PONY: The swap is as simple as changing a clutch.
so in other words it sucks if its your first time! lmfao
-------------------- 86 GT
Posts: 4882 | From: eldorado hills | Registered: Sep 2001
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93PONY
Mr. Valve Events
Member # 60
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posted
You know what sucks.... My very first tranny swap was going from an Auto to 5-spd in my first 4 banger 81 POS mustang. Now THAT sucked ASS! What the Hell was I thinking!?!
Shit, compared to that, pulling this motor & rebuilding it was a piece of cake!
-------------------- www.advancedenginedevelopment.com SCT dealer Dynotuning
(916)715-7569
Posts: 4266 | From: Fair Oaks, CA | Registered: Nov 2000
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racercosmo
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Member # 1864
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posted
quote: Originally posted by st5150: Pretty much everyone gets away with the stock drive shaft. As for the bellhousing, you can get an aftermarket one or find one from a '83 (if I remember right) V8 mustang.
Sorry, the 94-95's may need a longer driveshaft.
-------------------- Beauty is in the eye of the beer holder
Posts: 973 | From: Marin | Registered: Sep 2002
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