Nope. The intercooler is a 3-row core. There are many supras making 900 wheel on a greddy 3-row, or 3-rows with similar sizing.

 

Could you explain why?

 

Because it's pointless. You are just going to add more lag to a setup that has been proven to make over 600rwhp no problem. That and the fact that their have been failures with the modified 20g turbochargers.

It just doesn't make since unless you are going for big power (over 700rwhp)

-George
GT Motorsports

 

Go big or go home.

 

I would agree unless you were to buy the greddy 20g turbos which are not modified

 

That's what I was wandering.. If you have the Greddy 18G installed already, if you were to get the Greddy 20G as a replacement what would be the issue?

This is me being curious as I may have some issues with my turbos. Want know for sure till Dave takes a look under the hood. But, preparing for some options.

 

Are you going to be making over 700rwhp everyday?

If not than its pointless, you are just going to have worst boost response for no reason.

-George
GT Motorsports

 

+1, not sure why they dont get this. i guess they like the bigger number 20g vs 18g?

 

Im very happy with my twin-baby 18 gizzles!

 

^^^ at least I'm not alone

 

It's called information gathering..

George No not going to be making 700 to the wheels, will never make that much because Its just not a fantasy of mine to put down those kinds of numbers. So far the 18g turbos have me touching myself a nite just thinking about driving my car. Was just really curious to know what the 20g upgade problem would be. Thanks for the time to answer.

 

they?

 

LOL @ people wanting to upgrade. Ive driven the upgraded Greddy kit and didnt personally like it. The lag it added vs the lack of top end punch you'd expect doesnt seem worthwhile. Not to mention out of the hundreds or thousands of Greddy kits, I have only seen 4 or 5 people (including myself) actually push the standard kit to the max.

 

Would it be simpler to create an adapter plate to go from the 3 bolt Greddy Exhaust manifold flange to a larger diameter flange to accommodate another different style turbo?

 

P.S. If a rebuild or upgrade is in order go to Forced Performance.

 

that is the easy part.......

the hard part will be that the adapter will lower the turbo..........and is it is, there is very little room to get a pipe into the inlet of the turbo. I have thoguht of doing this....many, many, many times! the cast motor mount brackets are in the way. of course, you could make all new motor mount brackets too........but now you are talking about more sutom parts. at what point should you just have custom headers made (like the SFR) manifolds?

the only way not to lower the turbo with an adapter plate would be to cut off the mounting pad from the manifold and weld a new plate with a T3 or T4 flange onto the cast manifold. the problem with that is that most welders will tell you that you can't reliably weld to cast iron and expect it to last. you may get it to work, but it will eventually fail.

what to do!!!!

 

I called Precision Turbo and Machine, and they sell ballbearing oil/water cooled turbos with the Mitsubishi flange on the turbine inlet. The guy I spoke to at Precision seemed to think that they would work with the Greddy exhaust manifolds, but someone else in this forum indicated that the Greddy turbos, which are Mitsubishi, do not use the standard Mitsubishi flange on the turbine intake, but instead use a flange that is exclusively unique to Greddy.

I have not looked into it further. You may ask Precision to send you a drawing of their turbine inlet flange and compare it to one or your Greddy turbos. Whatever you find out, please let us know.

 

I talked to precision awhile ago about a turbo swap. Sent them pictures of the manifolds and the greddy turbos. When I talked to them on the phone after they reviewed the pictures, they said they did not have anything that would be compatible.

 

ill add NO2 on the kit and have more fun than the upgrade 20G

 

Unfortunately, the mitsu flange is not anything like the greddy/mitsu flange. the mitsu is a rectangular 4-bolt flange, while the greddy is a rounded, triangular 3-bolt flange. you'd have to make an adapter. an adaprter is easy enough to have made, but as I said above....you will run into issues with being able to get an inlet pipe into the compressor. as the greddy sit now, it is hard enough. these turbos have a 3" inlet, but greddy necks the piping down to a 2" inlet to be able to clear the motor mounts and A/C compressor!