Alright, so before i had decided to use a T3 turbo, i purchased a T25/28 manifold. ( i know i'm an idiot.) Either way, i'm stuck with it so i must make the best with what i have. I've realized that I have a few options:

- First off, I can have an adapter plate made. Garrett T25 --> T3 pattern. However, as another member pointed out, the manifold will flow like **** do to the porting differences.

- I can have the manifold professionally modified by a machine shop. This would hopefully include the following: Having the manifold holes filled, re-tapped at the proper specs., and ported. (this option seems the most logical, however, i'm on a tight budget and would love to try and do this on my own. Time is also of the essence.)

- Last but not least, what i'm currently leanding towars. I'm thinking i can actually grind out, or drill a wider hole where the current one exists. The holes I'm speaking of are the mounting holes on the exhaust housing on the T3 turbo. They aren't that far off from the holes on the manifold. Let me show you in some pictures.

 

You can swap housings for what you'd pay a shop to modify that one.

 

i'm thinking of widening the holes myself. My uncle is pretty handy with this kind of stuff and has assloads of power tools. Isn't that possible?

 

I made a T25/T3 plate once and from what remember your gasket is going to line up like ***.
You're either going to cut into the bead of the T3 gasket to get the T25 bolts to go through it, which will ruin the sealing surface, or you're going to use a T25 gasket and the exhaust flow is going to burn away the material that overhangs the hole in the mounting flange and you'll end up with a .250 wide strip of gasket on one side of the flange and a .100 wide strip on the other.
I would either fill and remachine or make an adaptor. All things considered the fill and machine will be your cheapest option, not to mention an adaptor will place the turbo anywhere from 3/8" to 1/2" lower in the engine bay (depending on how thick the plate is that you use). Also- if you try to center the inlet to the turbine with the outlet of the manifold, you'll end up tapping the flange for one set of studs, putting them in and welding them in place, then when you tap for the other set some of the threads will end up going into the studs you welded into the other side (yes, it's hard to explain but trust me, that's how they line up).
If you send the mani here I could fix it for you.

 

How much would you charge me to fix it for me? Fill, and re-tap for a T3.

 

Alright brandon, i e-mailed you more pictures of the manifold. Thanx for helping out a fellow H-T brother! Please let me know what you can do. Thanx a million.

- 0ptimus