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You don't use the brakes? The loads on these bushings are axial when you hit the brakes. LOWER CONTROL ARM - Part Number: 48730-14020 x 2 As long as the bushings are available this should be a lifetime rebuildable part. ARM - Part Number: 48720-14060 x 1 This is a bigger problem. If the...

Stock bushings are discontinued? Or are you referring to the front control arm bushings which never were replaceable. I should caution you that there is a very good engineering reason why that is the case for the fronts.

Only decision at this point is whether to remove the head, or remove the whole engine.

This is a repost, but seems like it is needed here: The Vf1 output has three different types of Vf output. • O2 Sensor Feedback Mode • Diagnostic Mode • Learned Value Mode 1. Oxygen Sensor Feedback Mode. * T1 and E1 Connected (In the diagnostic block.) * Engine Running at...

N/A is 4.30:1 all years, 87-88 Turbo is 3.91:1, 89-92 Turbo is 3.73:1.

Race track or not,the Supra turbo stock could hit 150mph and this was verified by all the car mags of that era. Having the car throw a drive shaft would be a pretty embarrassing event for Toyota on their flagship car. Also, only the auto came with 3.73,so that is your best case compared to the...

The calculator I reference above is an idealized solution, and ignores some real world details. It gets you close, but a real manufacturer is going to use a 3D FEM solver from Ansys or similar and actually solve the problem properly. That takes money, expertise, and expensive tools which the...

If you read the whole thread you'll find that the critical speed of that driveshaft was 80mph. So it was not a defect or impact, but bad design and ignorance of its limitation. At the very least, everyone with an aftermarket DS should know their new critical speed e.g...

Neither of which can do 150 mph stock. Anyone remember this (pictures seem to be AWOL, too bad they were impressive): http://www.supramania.com/forums/showthread.php?50167-Finally-4-months-later-but-would-you-expect-less&p=719571#post719571

Front Kevin M brackets with Diamond Audio D364.5 Rears in factory boxes are Infinity Kappa 42.9i 4" 2 Way Speaker

Have you looked at the W58 in the SC300? That might still be available.

Stock ECU is fine with those mods. Check for ECU codes, especially 31.

Yeah, that's a tough one. Most common failure on those components is the internal position potentiometers. Typical failure mode is hunting of the servo. Do you see that behavior by observing the control arms? Since the parts are discontinued, your best bet is to pull them apart and rework...

Based on street driving its at least 2:1 longer wear on the rears. You could look at using dual piston Previa calipers as they are a direct fit. Unclear if it would buy you anything though. I think you really need a bigger disk to make a difference. previa caliper assy: 47730-28200 pads...

Any AC compressor is big load on the engine, as much as 10hp, so yes it will be noticeable on engine performance especially at low rpms where the engine is not making much power. A long term oil problem will result in the compressor seizing.

Good deal. By the way, an injector balance test is quick and likely would have pinpointed this fast. Pull each injector clip one by one and check the idle drop. Need to be fast as the ECU will correct the idle speed back to spec. Can also be done by monitoring fuel rail pressure drop if you...

7M is sensitive to vac leaks, even really small ones. A crack in the accordion tube, or small leak at a vac accessory will cause driveability issues at low engine speeds.

Check that the EGR is not FUBAR.

Code 22 is for the coolant sensor. Without it the engine defaults to 80C, so cold starts are going to be tough. It should still start though, but be tough to keep running until it warms up. You probably have another issue as well such as a bad CSITS...

I'd check the cooler bypass before pulling apart the engine. Can't think of too many factory performance engines without squirters.