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It was on SF, when the Speedhut gauges just came out, and people described how to install them. In particular the oil pressure gauge is extra troublesome, and installing the needles in the original position is a pain. But hopefully Speedhut has oversized the holes around the needles by...

Hey IJ help me some more. Reading my materials text books this doesn't really seem possible, to anneal the aluminum from overheating without melting the whole engine (pistons) down first. What is the original or proper hardness? What composition is the aluminum in the head? What temperature...

Hmmm. The head should already in annealed condition, for stress relieving after casting. Usually you need to get to 1/3rd of the melting temperature of the material to anneal and ........ Spoon feed me IJ, if you know the details! :)

Why would you even consider a hardness test? It's a test of the stock material Toyota used, and nothing you can do with the information. It's a waste of time and money in your situation.

Uhm, bettter check your sources, it is a wax type thermostat. http://www.cygnusx1.net/supra/library/TSRM/co/CO_03.html

Sorry, I have my heart set on dcrusupra87 . He's dreamy! :love:

They are different, and not worth swapping unless you're after the last ounce of power. If you use it on a turbo car it gets in the way of the coil packs. The active variable tunning of the N/A manifold will work even in turbo application, but the effective range will be pushed lower the more...

It will make a difference to the tunning of the resonator. That is if it is a real resonator not just a muffler. A muffler has baffles or fibrous stuff inside, a resonator is an empty chamber with a given volume and orifice size tuned to the frequency you're trying to suppress. But only way...

The Taurus fan is a beast. But your stock alternator will never power it without killing your battery, so unless you plan to upgrade the alternator, forget it. It's too big anyway to fit it in there without fabricating an elaborate shroud.

A jack system for wheel changes during emergencies, or to keep the suspension level? Seems like a strange exercise. Assuming it's for wheel changes during emergencies, here is what I would look into: A mechanical scissor jack just like most cars have. The screw would be driven by a DC...

Fiberglass won't work (for long) since it's rigid and the Supra panel is made of flexible plastic. You have to use a special plastic filler, made just for this purpose. Visit your local body shop supply store (look in the yellow pages). But it's way too much hassle just to get rid of the...

Yes, same on the Supra. By the way, I really enjoy reading your posts Jetcock. You put a lot of information and effort into it. Much appreciated. :love:

The stock gauge will sit in the middle through a very wide temperature range (from about 180 F to 220 F). It needs to get above about 220 F for it to start creeping higher than the mid point. It usually takes a while of beating on the car, before you can see it in the coolant temperature...

It is coming from signing up for AIM. I only ever used one particular name for AIM that I never used anywhere else, and got the same spam as you.

You seem frisky, sooooo..........what are you wearing tonight?

They are very high quality. About as good as anything I've seen from the aftermarket vendors. The color can be changed with the controller to kind of light aqua blue or bluish green. With the blue filtered overlays (it's just stickers), it's truly blue (without the hint of aqua color)...

Loki. See that "A/C coolant sensor"? http://www.supramania.com/forums/attachment.php?attachmentid=5421&d=1143096105 It's usually ground, but when the coolant reaches 234 F it opens. By that temperature, the coolant gauge in the dash should be about 80% to the red zone. Grab a voltmeter and...

You'll have to refer to the MAFT and SAFC owners manuals to see which wires are the flow outputs (Maft) and inputs/outputs (SAFC). You always have to worry about running lean. You're playing with fire if you screw something up. One switch turned wrong, and you can make your engine a heap of...

A spark at the battery terminal can only mean one thing. You have a loose or majorly corroded wire there, otherwise it wouldn't spark. Need to fix that up. With engine running you have to see about 14V at the alternator, otherwise it's not charging. When you turn the key on, does the...

Fuel cut is electronic, not really related to the fuel system. So on its own, it won't make any difference at all. Only way to use the pump and afpr to raise fuel cut, is to increase the fuel pressure to the injectors with your afpr and fool the intake sensor into showing less air being used...