[88StAnger]

I am tired of thinking about stall converters etc. MissRedRum brought it to my attention that for less $ than a built AOD i could change over to a T5 Tremec. My question is, will a T5 2.95 Tremec with a HD clutch handle my engine 340hp/340 tq (with sticky street tires...not drags, and being driven in a spirited, but sensible way)?

[short bus]

i wouldnt **** with the swap just to put in a T5 unless it was upgraded in some way. those kinda numbers are really pushin it

[88StAnger]

The Tremec T-5 is listed by Tremec to be ford racing part M7003 Z which is a world class T-5 2.95 first gear HD transmission rated at 330ft lbs, (tremec rated it at 300 ft lbs, but with a vehicle GVWR of 5500lbs) I think it should hold my 330-340 lbs TQ if im sensible, no?

[swtguy]

Just depends on if you want an auto or 5spd, for brand new parts the swap will probably cost you more than upgrading your aod with a good stall and shift kit.

[The Diesel]

They might be rated with numbers close to what you plan on putting down, but i have seen numbrous near stock 5.0s tear T5s to pieces. Especially if you plan on running slicks in the future. But if you baby if big time it could last a while. Just dont lay on it too much and dont shift too hard. One thing that could help a little would be an aluminum drive shaft, takes some stress off the tranny.

Think about it this way. Youve got a built motor and you wanna back it up with a stock tranny. It could work, but for how long?

[redrum]

well, i havent dyno'd my car yet, but its cammed and 10:1 compression with all forged internals, and im running a WC T-5 on mine, no problems so far! :redrum:

[88StAnger]

The entire swap kit (including pedals) is 1899 (plus clutch...what, $250 or so) The Lentech is WAAAYYYYY more...plus converter...

[The Diesel]

Originally Posted by redrum

well, i havent dyno'd my car yet, but its cammed and 10:1 compression with all forged internals, and im running a WC T-5 on mine, no problems so far! :redrum:

Yeah alot of people seem to get have good luck with them. Your one of the lucky ones!

[short bus]

you're comparing an upgraded aod to a stock T5, of course itll be cheaper. doesnt mean its better.

[BlueStangChik]

I know some people that are running mid 9's on a stock T-5..

Its really up to you if you want a stick or an auto.

[coupe5oh]

Originally Posted by BlueStangChik

I know some people that are running mid 9's on a stock T-5..

Its really up to you if you want a stick or an auto.

You mean a stock g-force t-5? :blkvnm:

I dont believe 9's with a stock t-5 for more than maybe a couple passes.
to run 9's your talking 1.4 60's, i dont see stock internals holding up in a t-5, have you ever seen inside of one?
I can see how a tremec needs to be beefier to hold more power, the beefier material just aint there in a t-5.

btw, i went through two t-5's on a stock motor and e.t. streets, my current one is built a little better, but im trying to be easy on it, and im at about 285-300 rwhp now.
tanya im not trying to argue, I have seen shortly lived low 10 sec passes on supercharged cars, but that is really pushing it, even on a tremec tko.

[Hammered]

If your going to keep racing the car go with the upgraded auto now....that is what you will want in the future anyhow...

[BlueStangChik]

Originally Posted by coupe5oh

You mean a stock g-force t-5? :blkvnm:



I dont believe 9's with a stock t-5 for more than maybe a couple passes.

to run 9's your talking 1.4 60's, i dont see stock internals holding up in a t-5, have you ever seen inside of one?

I can see how a tremec needs to be beefier to hold more power, the beefier material just aint there in a t-5.



btw, i went through two t-5's on a stock motor and e.t. streets, my current one is built a little better, but im trying to be easy on it, and im at about 285-300 rwhp now.

tanya im not trying to argue, I have seen shortly lived low 10 sec passes on supercharged cars, but that is really pushing it, even on a tremec tko.

As long as you treat it right a stock t-5 will do just fine. Most of the time when people bitch about breaking their "stock" t-5s they forget about the 10-15 years its been beaten on, powershifted, ground into gear by 1st time drivers, etc...then they replace it with another $300 junkyard t-5 and wonder why it breaks again.



You'd be suprised how many t-5 guts I have seen, and most of them were broken when someone overshifted and broke a fork, or had issues with 3rd gear, both are usually driver error.



I didn't feel like wasting too much time looking on the other forums, but ran across this on Turbomustangs:



http://turbomustangs.com/forums/show...stock+t%2A5%2A



No they aren't bulletproof, but if you buy a new tranny from Tremec/Ford, get a good shifter (pro5.0?) WITH STOPS adjusted correctly, and get a reasonable clutch (motorsport heavy duty should work just fine). You could also go with 3.73's instead 4.10s to keep your fuel economy and performance inline.



From the 1/4 thread:

Originally Posted by 88StAnger

The engine is not an FMS engine, but was build by West Coast Mustangs and a like engine was dynoed in their test mule to produce the 340/340 using a cobra intake and aftermarket exhaust (cats still on the car though). The cam used is an FMS X303 cam 224/224 .542. The heads are milled Gt40P heads with a 10.5 compression ratio. 1.6 RR's were used. I am using a knockoff (professional products, I believe) of the Edelbrock Performer series intake manifold. My goal is to beat stock LS1 6-speeds on street tires.

340 still seems a bit high, and a t-5 will also help you to reach the 250-260rwhp with less parasitic drag. Keep in mind that "340hp" rating is without any accesories. I think the understood figure is about 15% loss for a t-5 and about 20+% for an AOD.



If you plan on driving it on the street, again the 5-speed is the winner. The beauty of a clutch is being able to take off wherever you want-no worries about spilling your coffee on the daily drive, but when you want that 4k launch RPM (or higher) its as easy as revving the engine and dropping the clutch.

-Tanya

[enouf4u]

i went 11:50 on a 4cyl trans and it lasted a year
10:80 on a stock t5 and it lasted till i sold it

[coupe5oh]

Originally Posted by enouf4u

i went 11:50 on a 4cyl trans and it lasted a year
10:80 on a stock t5 and it lasted till i sold it

Damn dude. :redrum:

well I will admit my first two trannies had a stock dildo shifter, i now have the b&m ripper with the stops, I hope it will survive all next summer, and some bottle passes when i get it on...

[Sick88lx]

Originally Posted by coupe5oh

You mean a stock g-force t-5? :blkvnm:

I dont believe 9's with a stock t-5 for more than maybe a couple passes.
to run 9's your talking 1.4 60's, i dont see stock internals holding up in a t-5, have you ever seen inside of one?
I can see how a tremec needs to be beefier to hold more power, the beefier material just aint there in a t-5.

btw, i went through two t-5's on a stock motor and e.t. streets, my current one is built a little better, but im trying to be easy on it, and im at about 285-300 rwhp now.
tanya im not trying to argue, I have seen shortly lived low 10 sec passes on supercharged cars, but that is really pushing it, even on a tremec tko.

The lady is right.....our black coupe ran for over a year with a STOCK t-5 with a best of 9.81 @140mph. And that was with a regular FMS clutch...

[Cammed95Z28]

1. he doesnt have a built motor
2. a stock t5 is fine yes do the swap
3. your engine isnt even gonna make 300 to the wheels
4. i know someone making 320 to the wheels on a MUSTANG dyno doing just fine cutting 1.6 60s and running high 11s with a 99+ v6 t5 if you want to try that route... i am not making any promisses though


your stall will be good out of the hole and consistant from a stopl, but so am i with a manual and slicks

its a mater of prefrence, are you a good enough driver to make up the et difference between the built stalled auto and a t5? do you want topend for highway or good ets, or both?

[88StAnger]

Actually, my motor was built by a company in california who dynoed the their at 290rwhp (they had a car with an identical setup in it) and ran 11.99 with slicks. 340hp is what they calculated at the flywheel using the loss percentages for the T5 transmission. I plan on using Dunlop 8000 245/50/R15 (trying to keep stock rims for stock appearance b/c i want it to at least LOOK stock, if anything it will make it safer in the parkinglot).