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You need a piggyback to pull the added fuel from the bigger JDM 2JZ injectors. Running bigger intercooler piping and/or using a 2JZ MAP sensor won't change/trick anything. In fact, the USDM/JDM 2JZ and the 1JZ MAP sensors are the same. The only difference is the USDM 2JZ uses a MAF for...

I believe there are only two different sets of molding, one being pre-1989 and the other 1989+. Well, other than the fact turbo's have "turbo" below the driver's tail light and the 3.0 Turbo blinker grill.

Random facts I just remembered: - You will need custom 1JZ engine brackets since your car is a Pre-1989 - You'll either need a MKIV Supra high pressure power steering line or the $60ish Driftmotion line since the 2JZ's pump is on the driver's side above the A/C compressor. - You will...

7M-GTE top feed 440's fit perfectly into the 2JZ-GE rail.

I was way off from memory but was going off this for just having a code 24 as a result, 1) Fault in the Coolant Sensor or Air Intake Sensor. Necessity of function: If an open or short occurs in either of these sensors the ECU will judge the temperature to be either below -50 C or above 139 C...

A code 24 is no bueno. The ECU will set a default IAT value of 130*F and give you some fun tuning. I ended up using diodes to power on the Maft-Pro before the ECU via the accessories, then continued through another diode off the ECU power wire to keep power while on/cranking to avoid this. You...

There is a video floating around somewhere of a MKIII with a supercharger (can't recall which) and either a Holset HX-52 or HX-55 some guys in Germany did a few years ago. They were having all sorts of trouble going in a straight line from 4k rpm and up. I cannot seem to find this video from a...

Don't block them, just loop them.

Did you check to see if your cam/crank slipped a tooth and your timing is off? Misaligned timing will prevent spark as well.

I used to get 19mpg highway with a Lex/550 and stock CT26. The old Holset and Maft-Pro tuned with a wideband gave me 29mpg highway hitting between 14.7-15.1 AFR's.

I just got rid of my Code 14 which prevented me from reving over 2k rpm and gave me no spark in #6. I pretty much did all the same tests you did with continuity between IG1-IG6, continuity between Igniter to coil grounds 1-6, tested another igniter and ecu, tested another set of coils, found...

Read this for all your answers, http://www.supramania.com/forums/showthread.php?113579-Non-Turbo-to-Turbo-(NA-T)-FAQ

You will need to use your 87 ECU/harness, 87 engine brackets/mounts, and two 87 coolant sensors on your waterneck will need to be used on the 89 engine. Don't worry about the redline, the only difference is the 6M and 7M crankshafts counterbalances. I would also be concerned why the engine...

No. 2JZ-GE with lower compression, added turbo, 7M CPS modified to fit where the distributor was, and a 7M engine harness/ECU. There is a writeup in this section.

If you need a block, i've got a stock bore and stock height timing cover taking up space in my storage unit. :naughty:

Just about everything quality aftermarket is over $1k new. I would pick up a used one or worst case scenario (moneywise) rebuild your current one.

If you want your speedo to be somewhat accurate then you'll need a 3.73 (assuming your car came turbo from the factory and same tranny)

https://www.speedforsale.com/supraparts/speed-for-sale-s4s-boost-cut-control-device-bccd-p-1345.html?osCsid=d6ip6gt9dhora03cqrh3vfdrf5

I believe I purchased 1998 TT mounts way back in 2007. The photo isn't mine but shows the same mounts I have...not brackets. I purchased BIC brackets and already completed my swap.

The MKIV TT mounts I have look like this,