Originally Posted by zmw

It's safe to assume it makes high 500s, maybe low 600s - the 6870 is a beast of a turbo but 91 octane is just a guess, and crying shame - It's pump tune was on 93 - If you were to buy a supra and only had 91 octane available, I would encourage you to get a proper 91 tune or ask alpha to give you a conservative boost map.

Originally Posted by zmw

So I just checked, it made 487whp on wastegate, I'm waiting to hear back from Alpha but I'll update this post if he replies. The car is strong - I can tell you my car on 91 in Colorado still was a lot of fun but for sure not as fun as low altitude and e85 ;P

Originally Posted by zmw

it's on proEFI tuned by probably the best supra tuner in the world, who tunes more supras than anyone else - it'll drive damn near stock and be as tame as your foot can handle - it's on a stock throttle body, stock cams, nothing that's going to make it angry or difficult to drive. If you've never experienced a well tuned 2J you just don't know. They can get mid to high 20s rolling in 6th gear, and then smoke the tires at 100mph if you want to get stupid.