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3.54 is the only other option, its not a simple drop in part though as the 3.58 is. Unless you work with Nitro or Yukon to engineer and create a new gear ratio, no there is no other options. Ask Supraclaou what he thinks of the 3.58 setup I sent to him, I believe he is matching it up with a...

Its just the blower resistor. Cheap fix. There are 3 small coils of different gauge wire inside that vary the resistance on the fan, resulting in different speeds. The wires corrode and crack overtime. Its an easy $30 fix.

Yep. Not all 3.54 gears will fit. 3.58 is easier to fit than the 3.54 which requires more work. The Turbo A vehicles back in the day got a custom made tall ratio gear. I believe it was 3.2, but its a super rare part.

^ Agreed Any options available for an 87' 7M-GTE M/T ECU? Pi, do you have any boards made up yet?

Ok my mistake. Need to clear up the confusion on this one. The line marked 47321 is the rear line OUT from the master cylinder -> To Proportioning Valve. Also known as: Tube, Rear Brake, #1 The line marked 47322 is the rear line OUT from the Proportioning Valve -> To ABS unit. Also known as...

No, it might not be able to open in the ms time commanded by the ECU. Could be a sticky pintle, weak / damaged coil, mismatched Ω between 3 & 5, or other issues. Making assumptions for a diagnosis is never a good idea. What are each individual injectors Ohm readings? 1- 2- 3- 4- 5- 6-...

Too bad I will never venture into social media platforms again. What am I missing out on? I already feel like the old guy yelling at the kids to get off the grass. LOL I was on facebook in the very beginning when they still required college email addresses to use it. Once that requirement...

This question still applies no matter what engine you have. Have you swapped injectors around on the rail to see if the misfire follows the injector or stays on #5? This will give you a clue as to what to check next.

How are you determining that the injector is not firing? Noid light? Audio Scope? Inspecting Spark Plug? Other? Have you swapped injectors around on the rail to see if the misfire follows the injector or stays on #5? This will give you a clue as to what to check next. Have you checked the...

You have a rear line fitting circled in the screenshot above.

Definitely not clearing the brakes. I am working on choosing new wheels ATM after performing that upgrade.

Lots of questions on these turbos can be answered here: http://www.supraforums.com/forum/showthread.php?720353-SP-Precision-MKIII-Bolt-on-Turbos-Gauging-Interest-**POLL-INSIDE**/page2

Just trace the hard lines out of the ABS unit. 80's Toyota used a Bosch 3 channel system. A single hard line out of the ABS feeds the rear, 2 for the front. Locking it at the master cylinder like most vehicles is just a single line for the front and rear. The "4 way" is not a 4 way...

I cannot claim to be 100% correct on this but SP does not appear to do much beyond some machining work...if any at all. The PT6262 CHRA is an off the shelf turbo from Precision Turbo. The compressor housing and CHRA are done by Precision, they look exactly the same as the SP photos...

Start here: http://www.cygnusx1.net/Supra/TechTips/engine_error_codes.aspx Check wiring and the ignition/Ignitor system: http://www.cygnusx1.net/Supra/Library/TSRM/MK3/manual.aspx?S=IG&P=15

Yeah it is very tough to see where your air flow targets land with respect to the turbo efficiency map. I find it very strange that this information is not available as these compressor wheels appear to have quite a good reputation. Its the fly by the seat of your pants type situation. You...

Yeah I don't have any compressor maps. Garrett compressor maps are very easy to locate, these not so much. Unless someone has an inside source I see no compressor maps for a PT6262 CEA. I doubt if precision ran the testing required to create these maps.

Crap I just reinstalled my driveshaft the other day. (I have the 1st Shaftmasters Al 3" prototype) If you would have posted this last week I could have measured it :D