Why should it be such a big problem going twin turbo on a 7M? 1JZ is twin turbo.
I have a HKS twin turbo cast iron manifold. It's T3 flanged. It's from a car that did 450 hp for almost 15 years before it was rebuild. Very solide build.
Once my economy recovers after my complete rebuild...
Yes, a horror story.
The only good thing is that the engine has been built by a very good mechanic.
He is an ex-toyota mechanic and he also has a 7mgte Supra himself - going for 800 hp.
He knows his stuff. He won the European Championships in Lexus some years ago.
So that part...
Yeah, hardpipes will be done when I find a FFIM. But that will have to wait until next year. Now I want an entire summer of driving and no down time due to mechanical problems.
My story:
1. Bought the car in april 2007. I paid a Supra specialist go check it out before buying.
2. May...
Belive it or not but it was that hose in the picture above.
It had two big cracks and further more it wasn't clamped down at all.
The car drives very well now and pulls very strongly.
I don't understand how anyone can put a hose looking like that back on the car.
I know that but what I don't understand is if the two vaccum ports are interchangeable. Which one goes to the accordion hose and which one goes to the metal tube? Or doesn't it matter?
It might have been asked before and I have tried searching for the answer but I couldn't any so I'll risk asking it (again).
I just replaced my PS pump (what a pain in the ....)
Now I need to know where the two vaccum ports go.
I have the two vacuum lines but I fail to see which goes...
I had noticed that the car had been a bit sluggish since the engine had been out but I was told that it was because I had put a 2mm HG instead of a 1.2 mm.
BTW: there is a equally sized crack on the back side too.
I was going to change the PS pump today and when I had most of it taken apart I noticed the IC hose going from the turbo to the intercooler.
Firstly the clamp wasn't tightend at all. Completely loose.
Secondly it looked like this:
I don't have a replacement but I'll be ordering one...
I know someone who is running 400 hp through a stock tranny.
It all comes down to how you treat it.
Get the Suprastick IV if you want to program your own shiftpoints and lockup and to add paddle shifters.
I've decided to get a MAFT Pro setup. It comes with the wideband and has data logging capability. Should make it easier to understand what is going on and correct it if indeed it's just running a little lean.
My power goals are 400 hp so it should be adequate with some bigger injectors later...
Ok, thanks
I have a (probably) stupid question.
If I get a wideband O2 sensor would I need to run both the original O2 sensor and the wideband or could the wideband be hooked up to the ECU instead of the old sensor?
The reason I ask is that I have stock turbo knee and it only one sensor...
I had the car checked at Toyota today.
They didn't have equipment to do a leak down test. They did a compressiontest which was like the one we did ourselves. A little high on 1 + 2 cylinder compared to the rest.
The valves checked out fine except for three of them. They were too tight and...
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