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Old 11-07-2011, 10:12 PM   #397
suprachica79
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Quote:
Originally Posted by Dimman View Post
What if they're messing with us with these 'leaks'? The 210 hp/170 lb-ft number has also been floating around. And this 151 lb-ft with all the fancy tech and high compression is not making me super happy.

BMEP at hp peak is 185.7 psi
BMEP at torque peak is 186.6 psi

Again something is fishy. Those are very close numbers, over only 400 rpm. Weird.

Compare with the IS350's motor.

BMEP @ hp peak: 177.6 psi
BMEP @ torque peak: 196.4 psi

What if they 'mixed up' the numbers?

Say the car will actually make 210 bhp (maybe PS) @ 7000 rpm and 170 lb-ft @ 6600 rpm?

This would give us ~195 psi BMEP @ HP peak and ~210 psi BMEP at torque peak. As I've mentioned elsewhere the max BMEP is a bit less than a new Porsche 911 motor, so not super ridiculous.

Basically I think this 200/151 number is as bogus at the one that gave the 210/170 (@6500/4000).

So what do people think of this?

210 @ 7000 rpm (~195 psi BMEP)
170 lb-ft @6600 rpm (~210 psi BMEP)

Even though the BMEP drop over 400 rpm seems pretty high compared to other high-hp motors, but I still think it is more accurate than both the other figures that have nearly identical BMEP numbers for their torque and HP peaks (this DOESN'T HAPPEN).
I don't have a clue what BMEP is or what you just explained, but I like 210/170 a whole lot more than 200/151
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