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The mkiv Supra Owners Club

Torque curve graphs for TT BPU and small single


AJI
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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.

 

Must admit your torque curve looks not quite right to me, you seem to be making way more torque a lot earlier in the RPM range, than the other seq plots, other than that all the torque curves seen to start and rise in a similar manner, just that the single makes more.

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Torque (roughly)

 

Tricky GrahamC Gazboy Homer TerryS Wez

JDMTTC HybridTTC J-Seq full BPU GT35R T60

Dyno SRR Thor G-Force SRR SRR SRR

RPM

1500 160 123 --/-- --/-- --/-- 170

2000 165 145 --/-- --/-- 180 185

2500 180 170 275 210 190 210

3000 200 185 290 240 240 260

3500 270 260 270 240 350 350

4000 350 320 320 220 470 485

4500 340 360 360 280 530 500

5000 345 385 355 390 520 500

5500 340 360 350 395 500 480

 

 

Obviously not affidavit quality.

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this is all useful info for me... thanks guys.

 

Some may have read my thread earlier post about turbo 2 not spooling. All the VSVs and pressure tank have been changed and still no turbo 2 spool. Other things to check are the butterfly valves and the boost controller solenoid. (got a strong feeling it is the butterfly valves as it seems to be a heat related issue).

 

BUT if it turns out to be a knackered turbo then it may be an excuse for me to upgrade. (assuming I can find some cash)

The options are either hybrid twins or a small single. So all the graphs so far have been very useful.... thanks.

 

I've heard that single turbos are less hassle to maintain and install. But if a small single can out perform stock twins and even hybrid twins for most of the rev range then this is an obvious upgrade for me.

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