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One other advantage of aluminum is it is more torsional...it absorbs the twisting torque from the tranny better than steel. Plus it is less noticeable concerning resonate vibrations from the drive train.

LOL...don't exactly use this logic myself when buying a filter, but the Wix is a very good design. That spring valve you saw is a bypass valve designed to allow oil to continue to flow if the filter clogs or if flow exceeds filter capacity. The Wix has it at the opening of the filter, most...

The DSS drive shaft SupraSport (and others) sell have length issues...i.e. they were an inch too short. I have an aluminum one from JawsGear, fits perfect and is very high quality. If I remember correctly, it was a bit cheaper than the DSS shaft. Jaws can also make a 1 piece from chrome...

Read this: http://minimopar.knizefamily.net/oilfilterstudy.html#n1515 IMO, best bang for the buck is Wix or PureOne. I read one review on the standard Toyota filters (made by Purolator...not a PureOne type)...not that impressive. Toyota does (did?) carry a resin type filter made by Denso...

This is correct...the discussion was actually about one of those magnetic oil filter wrap-around gizmos. Definitely not worth the $$$ spent for it. Using a magnetic oil drain plug will not hurt anything, but will not provide much benefit either. The size of the plug is either 12x1.25mm or...

Been to Al Dhafra...feel lucky we got out of Saudi...then you would have zero drinks ;) In any case...Happy B-day Sgt and get yourself home safe so you can spend a few of those TDY bucks on the Supra. A little something for the wife would be good too...hows the price of gold in the UAE these...

Getting the wheel shafts clear and getting the differential in to place. Two people with a couple of tall screw jack stands and a lift makes it a lot easier ;)

Are there any fitment issues with the longer core? And what are the inlet/outlet diameter options? Are the cores for both IC's the same a Spearco design wise?...i.e. the straight through bar & plate the Spearco uses? Any pressure drop or efficiency numbers for both cores?

Check the rubber lines from the ISC to hard pipe to accordion hose. Check your plug wires and test the coil packs per the TRSM. Specifically, what plugs and what wires are you using?

The volt meter is not that accurate, but yours appears normal. Have the battery tested at a parts store...could have a dead cell. Here's the TRSM spec for alternator output using a voltmeter...13.9-15.1 volts: http://www.cygnusx1.net/supra/Library/TSRM/MK3/manual.aspx?Section=CH&Page=4

Nope...tried this a few months ago trying to pass AZ emissions. The JDM ECU had a minor effect on NOx and no effect on EGT. The car failed emissions for NOx...I had to install an EGR in order to pass.

The problem you are going to get into is pressure drop if you oversize the IC too much...be careful about this on the eBay IC's. Spearco IC's have a straight through fin design...a Spearco rated at 1000 CFM will not have a big pressure drop and will definitely be an improvement over stock. If...

It's tight, but you can get the EGR on without pulling the manifold (I did it). Loosen the fitting nut on the EGR tubing...a ratching wrench helps too. Make sure the EGR is clean and the valve functions before you put it on...don't want to do all this and it not work ;)

That's not bad at all for the 20 psi numbers...you are getting a psig increase over critical velocity, but it's almost linear. What you have to watch for is a big jump in a psig increase. I think you should go with the 2.5" pipes...it will keep velocity up and only a small drop in efficiency...

I would go with Plan A...2.5" piping with 3" IC inlet/outlet. Make sure the IC is sized to flow at ~ 750-800 CFM. The same applies to the TB...err to the little larger size. You are really close to the velocity you want and it appears you are hitting the "sweet spot" in the compressor map...

Or excessive play in the U-joints.

What is your fuel pressure at idle...vac line attached?

Yeah...looks about right to me too. If you can get the actual map for the BOSS, it would be a good thing. The term "better" might not be what you're looking for performance wise for a street turbo. With this housing at 6500 rpm, 15 psi, and 616 CFM flow...2.5" piping puts you at critical...

Here's a little "light reading" for ya Toyota ECT: http://www.autoshop101.com/forms/h16.pdf http://www.autoshop101.com/forms/h17.pdf Here's the shift schedule in the TRSM: http://www.cygnusx1.net/supra/Library/TSRM/MK3/manual.aspx?Section=AT&Page=40 Inside a torque converter...

You know...you're right...I hate brain farts. :3d_frown: The C - C rod length is 152mm. Stroke is 91mm...fixed! Actually if you convert: 2954 cc = 180.26414 cubic inch on a stock motor. :runaway: ....LOL