Torque curve graphs for TT BPU and small single

I've tried searching for this but failed.

Does anybody have a picture of a torque curve from a BPU Supra Twin Turbo and also a small single turbo Supra ???

I am interested in the comparative torque delivery between the fastest spooling single turbo and the slightly tuned stock twins.

Cheers.

I've got a dyno result from my bpu in my garage. It displays torque/bhp etc. I don't have the other though.

I've attached my dyno result anyway, so hopefully its half of the puzzle

Be aware that the torque & power scales are different:

Feel free to plot that over Wez's with a paint/PS program.

I have a dyno plot of power and torque in my garage

thanks guys.

So from what I can make out.... to produce the torque generally seen by a TT at 2500-3000rpm you have to be up at 4500-5000rpm on a small single.

(Although the small single then shoots up to a higher level than the max point on a TT system)

The only thing putting me off going for a small single at the moment is the rate of torque increase throughout the rev range, especially when it is so high up the rev range also.

I'm just getting the feeling that this would cause problems mid-corner on a track situation.

If however the major increase in torque took place much lower down the rev range I may well be tempted to go small single. (Say for example at 3000-3500rpm).

What about hybrid twins? I think Tricky Ricky has a nice set up. I'm looking forward to seeing his at our next meet.

A GT35R will kill a stock setup from

A GT35R will kill a stock setup from

 

and if your below 3000RPM on the track you shouldnt be on the track

A GT35R will kill a stock setup from

 

 

I think that would be my choice if I went single. Sounds like a good all-rounder.

http://www.mkivsupra.net/vbb/showthread.php?t=115397&highlight=dyno

Heres the thread with mine... PDF... opps. Twins running in TTC mode at 1.2 bar... capable of more

Well that's quite a convincing graph never to go TTC.

Well that's quite a convincing graph never to go TTC.

Well then it will be interesting to see what my car gets at full boost running the sequential turbos.

Well that's quite a convincing graph never to go TTC.

In defence of TTC (well i have to really;))

220 to 385 ftlbs in 1500 RPM on grahams isn't bad, mine on std tubbys is worse:(

However despite what it looks like on a RR graph (and remember the odd loadings they generate;))

on the road you would be surprised;)

But it's area under the curve that counts, it's no use gaining loads of bhp or lbs.ft in 1000rpm if you've got two fifths of naff all until 3.5k.

I've tried searching for this but failed.

 

Does anybody have a picture of a torque curve from a BPU Supra Twin Turbo and also a small single turbo Supra ???

 

I am interested in the comparative torque delivery between the fastest spooling single turbo and the slightly tuned stock twins.

Here you go. This is Terry Saunders GT35 versus my BPU TT running 1.2bar. Both are 6spds run on the same rolling road.

As you can see the torque delivery low down and in the mid range is considerable. Terry's has twice the torque at 4k rpm.

Here you go. This is Terry Saunders GT35 versus my BPU TT running 1.2bar. Both are 6spds run on the same rolling road.

 

As you can see the torque delivery low down and in the mid range is considerable. Terry's has twice the torque at 4k rpm.

bloody hell... I think I need a GT35 conversion....

So basically we're back where we started lol.

Never could fathom why mine is so grunty below 3500rpm, both SRR & G-Force show the same thing, I use the G-Force one as it's much clearer.

Here you go. This is Terry Saunders GT35 versus my BPU TT running 1.2bar. Both are 6spds run on the same rolling road.

 

As you can see the torque delivery low down and in the mid range is considerable. Terry's has twice the torque at 4k rpm.

Still bugger all below 4,000 RPM:p

Maybe a GT3075R is a good option if 450bhp at crank is enough power for you?

Still bugger all below 4,000 RPM:p

eh? Maybe I'm reading things wrong, but from looking at the graph Homer put up the GT35 has more torque that the stock sequential system fom 3000 on and between 3 and 4000 I think this would be considerably more than running in TTC - or am I missing something?

Homer, that graph is shocking!

They both crush the TTC until about 3500rpm, where the TTC doesn't need to do the changeover, and then Tricky's TTC follows my sequentials until 6500rpm.

Ah right, so between 3500 and 4000 ish, the TTC has a bit more torque whilst the seq changes over. Still prefer the low down driveability of the seq, as much of my driving is between 2-3000

cheers