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I've plotted a 7M-GTE running at a pressure ratio of 2.4 (about 20psi boost) for two rpms (5500 and 6500) on compressor maps for the 57 and 60-1 setups. The 7M data comes from figgie's spreadsheet, so look there for the assumptions. Target is 400 hp. 57: This looks like the best match to the...

You can view the page at http://www.supramania.com/forums/content.php?130-CPS-Rebuild-(56k-keep-playing-your-PS2)

Fess up! Who was it? :biglaugh: [excerpted from LA Times......] More than 100,000 people have ascended skyward in Irvine's balloon ride to get expansive views of Orange County, take panoramic photographs and even make the occasional marriage proposal. But imagine the shock the pilot of...

I bought a NAPA Gold oil filter today and realized that the fluted canister does not fit my trusty oil filter cap wrench that has fit every other filter brand for the 7M. Any recommendations?

The Supra qualifies at 18mpg combined! :biglaugh: The new “cash for clunkers” program, which was signed into law on June 24 provides subsidies of up to $4,500 toward the purchase of a new car or truck if your trade-in is a clunker. The law defines a clunker as a vehicle that gets 18 miles...

While they are fresh in my mind, some comments on replacing the lower control arm cam bolts that have seized in the bushings. First, Comadreha's guide covers just about everything you need to know. http://www.supramania.com/forums/showthread.php?t=84302 In the guide he says that it is...

Smog test today. Had to pay an extra $20 to cover the new LPFET test, grrr. I've been tracking my emissions over the years, and HC has been creeping up. Today I passed the 15mph test at 104ppm with the limit at 106ppm. A/F has been creeping down as well, and is at 14.68 today. Original cat...

It's remarkable that after nearly 20 years the Toyota Computer Control System (TCCS) engine management computer used for the 7M remains a mystery as far as the public domain is concerned. Partly, this is because it uses a proprietary Denso microprocessor with zero official documentation...

Look what just came in the mail today. Its a driver's roof side ventilator louver. I thought these things were matte, but that's just 17 years of exposure. Its actually supposed to be gloss black!

Continuing the discussion on airplane maintenance started in the thread on Eagle rods........ Does anyone remember Aloha Airlines flight 243. A severe example of fuselage fatigue caused by very high number of short inter-island flights. On April 28, 1988, Aloha Airlines Flight 243 Boeing...

If you ever wondered what the stock temp gauge was trying to tell you, here it is. It is designed so that it basically doesn't move over an operating range of about 90 to 110 degC, then it shoots up. Basically its useless except as an overheat indicator. PS. the y axis is plotted as a...

I have been having a differential gear oil leak from my left oil seal. I replaced the seal twice, the second time being very careful to put it in straight but it still leaked. So, I pulled the half shaft out once again and took a good look at it. It had a barely perceptible groove in it where...

Thought it would be interesting to compare my emissions with and without the 1st cat. Bottom line, removing the 1st cat increased my HC and NO significantly. My low speed HC is now at 80% and that is a little too close for comfort. I've seen my HC emissions climb with every test since they...

I would paste the article here since it is short, but don't want to cause copyright problems. so here is the link. Can Ford/GM compete with a company that can make a 268hp V6 for $1000 and puts it in everything including the Sienna minivan I just bought...

I have been having a differential gear oil leak from my left oil seal. I've replaced the seal twice, the second time being very careful to put it in straight. It still leaks. It is especially bad in the first mile from a cold start, which leads me to believe the differential breather may...

Does anyone have a scan of the owner's manual (86-88) detailing the operation of the Supermonitor? I just got mine installed in my 90 and most of the functions seems pretty obvioous, but the diagnostics function is not so clear. Quite a PITA to install by the way. If anyone wants my wiring...

I'm replacing the side axle seals on the differential. Does anyone know if the seals should be driven all the way until they botttom out? This seems to put them a good 6mm below the top of the seal bore. Or should I tap them in until they are flush with the bore?

I thought I should forward this email from the supras email list from the man himself, Michael Bringle..... I tried to send this out earlier, but I think I don't have my new mail set up quite right. So ta-da CygnusX1 has gotten a face lift and reorganization! I have also upgraded the...

One of my recently rebuilt injectors from RC Engineering is stuck shut. There was actually two but one fixed itself after about 10 minutes of idling. Before I pull the rail and send the injector back to RCE, I thought I might try running 2A at 6V DC through it to see if I could simulate WOT and...

I finally got around to installing my 3" downpipe and elbow, and have run into a problem at the connection to the front of the cat. The downpipe appears to be about 1 inch too short, so that when I bolt it to the stock hanger/cat everything gets pulled forward and up, and fitment is poor...