|
roseytvr
Original Poster
629 posts
47 months
|
Guys
I have been researching gearboxes for my Griff, in particular what I might need for a 375 bhp motor. The concensous seems to be that i could be getting close to the margins for a standard T5 but obviously a lot will depend on driving style.
I will probably refesh the input shaft bearing but take my chances with my box and if it lets go look at the CTS Quaife option.
The question is are all T5s (Griff/Cerb/Tuscan/T350) all the same or are they spec'd for differnt torques? Am I right in assuming the T5 standard in the 4.5 AJP is generally upto the job in standard form and is this any different to the T5 in my 96 Grif?
Thanks
|
|
|
V8 GRF
5,792 posts
79 months
|
All TVR T5 boxes are more or less the same. If you want to stay with a T5 type then you need to look at a Tremec TKO500/600 which as the numbers suggest are beefier (and heavier as a result) versions that will take the corresponding lbs/ft torque. Tremec bought the rights to the T5 from BW so it's the same design just beefier http://www.tremec.com/performance/tko.html
|
|
|
wadsapple
1,147 posts
56 months
|
As i am told the lighter T5 came from the Ford Sieera 4x4 and the one we all would like comes from the Ford Mustang.I think i'm right in saying the Mustang box was used in the AJP cars.
|
|
|
Russell Mc
444 posts
20 months
|
T5 wasn't fitted to the 4x4 Sierras only the 2wd ones. Mustang box has fewer splines on input shaft and gear lever in different position.
|
|
|
phazed
6,721 posts
73 months
|
The Mustang box is larger and heavier iirc.
|
Advertisement
|
|
|
Russell Mc
444 posts
20 months
|
Tail housing could be different lengths especially on some Chevy applications. Different gear ratios but no size or weight difference
|
|
|
PascalBuyens
2,544 posts
151 months
|
Walford said: How many horses is a stock TVR T5 good for
I have read on here that even a realy low tuned Chevy LSx 375bhp will eat it Standard T5 is rated to 350 lbs ft of torque. And even a tuned S6 can tear it apart...
|
|
|
450Nick
3,473 posts
81 months
|
It depends how you drive, I run over 400bhp and even more than that in torque through mine, and its fine. The generally accepted limit is around 450bhp, though you can break one with much less if you enjoy dumping the clutch and aren't very smooth in the gear changes. At 375 it should be fine!
|
|
|
macdeb
3,817 posts
124 months
|
 you can destroy any gearbox if you drive like an idiot. Would still like the definative answer though.
|
|
|
pmessling
1,101 posts
72 months
|
i was under the understanding that there was two versions, the standard and world class or something along them lines. and that the cerb had the latter of the two
|
|
|
neal1980
1,946 posts
108 months
|
pmessling said: i was under the understanding that there was two versions, the standard and world class or something along them lines. and that the cerb had the latter of the two From my understanding all the TVR T5's were WC. They are different from a sierra cosworth one I had one on my garage floor. The TVR ones are American based, (mustang I think rings a bell). I was running 420bhp and 550lbft on R888's and didnt break it...they are strong boxes if respected 
|
|
|
bionicjim
236 posts
8 months
|
I was thinking of converting mine
Into a 6 speed I can't spell the word but the same as a bike
|
|
|
DAVEY DEE
504 posts
23 months
|
|
|
phazed
6,721 posts
73 months
|
|
|
dbv8
5,692 posts
89 months
|
|
|
phazed
6,721 posts
73 months
|
What would this forum be like if we didn't take it all seriously?
Or do you mean a loose woman, (like a bike?)
|
|
|
DAVEY DEE
504 posts
23 months
|
|
|
bsdnazz
569 posts
122 months
|
|
|
Hoover.
4,867 posts
111 months
|
two different gearings available here, 1 for Cosworth & 1 for TVR http://www.gearboxman.co.uk/infot5.htmlI'm sure they used to do a 6 gear conversion, but that may have been on the the LT77 box..... can't remember as it was along time ago I was looking into it.
|
|
|
TVR_owner
3,305 posts
60 months
|
Hoover. said: two different gearings available here, 1 for Cosworth & 1 for TVR http://www.gearboxman.co.uk/infot5.htmlI'm sure they used to do a 6 gear conversion, but that may have been on the the LT77 box..... can't remember as it was along time ago I was looking into it. They did indeed offer a 6 speed T5.
|
|
