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You guys didn't even look at the test data :3d_frown: It's not going to "appear" to be any problem...do an oil analysis and see how much silicon shows up. Of course a fine abrasive inside the motor should not be a problem either when you look at it from the outside ;)

You know what...me too. I give up. Good luck with whatever you and your friend decide to do.

That's just it...guys don't think about HOW THIS REALLY WORKS and crank up the boost. The result is a blown motor. You can ignore the math if you like (and even make smart remarks about it), but it is the way it REALLY WORKS and boost measured in psi MEANS SQUAT. For it to be valid, the...

The turbo is limited by the housing and compressor wheel. However, a couple things you can do to deliver max efficiency: - Exhaust manifold - port the stock one out or go with a header type. - IC piping - 2.5" should be sufficient - IC rated CFM flow - 2.5" inlet/outlet...core flows what...

I added to post #21. I understand...but, that assumes someone is going to take the time to fiqure it out. I'm just trying to help you get an accurate answer ;)

No, you asked "How much boost is the walbro good for?" sounds a lot like "how much boost can a walbro hold" to me ;) I didn't say boost doesn't increase HP...I said psi doesn't mean squat. It's turbo flow in CFM that produces HP. There's a difference...one a lot of guys do not understand...

Ok...so, you are saying a fuel pump should flow the same for 10 psi on a CT26 as 10 psi on a 4088? Think about that ;) The question should be "What is the Max HP the flow a Walbro can support?" -or- "I want to make 450 HP on a 4088 turbo, will a Walbro flow enough fuel to support this...

LOL...that is really funny. Rich has more knowledge about working on and building these motors in his little finger than you will likely ever have. Typical - you are confusing boost psi with turbo flow. A 4088 turbo is going to flow a LOT more air at 10 psi vs an upgraded CT26 at 10 psi...

You're pretty new here, so I'm going to let you in on a few things: - This car has few simple answers...more than one guy has spent a boat load of hard earned $$$ and it not work. (just like you are trying to do) - Few people give complete info, hence the questions. Lost count of the...

No...drop in an AC Delco and be happy ;) http://www.duramax-diesel.com/spicer/index.htm K&N filters are crap...that is unless you like dust in your combustion chambers.

You could alway put an '89+ bumper on it ot something like a Gracer from Shine ;) I honestly think it looks pretty good myself.

What exactly did you rewire? Here's how to read ABS codes: http://www.cygnusx1.net/supra/Library/TSRM/MK3/manual.aspx?Section=BR&P=51

Just don't over dose ;)

:3d_frown:

Might want to have your injectors cleaned & flow tested anyway...I would pay particular attention to #3 ;)

I would check and make sure the tranny electrical connector is on nice and tight ;)

If an injector cuts out on ya...it will go lean. Really fast and it can happen on a single cylinder too ;)

Doesn't happen? Why don't you just post exactly what it's doing vs us playing a guessing game?

Hard to say from a pic, but the edge looks round and pitted...i.e it went lean and melted the piston.