Tylerlp0 Posted April 25, 2014 Report Posted April 25, 2014 So i have been doing a lot of reading about this GT28RS turbo for my 1990 TGP....but i cant figure out what exactly all my numbers should be. like the A/R or turbine and the compressor wheel/housing sizes...can someone point me in the right direction? I am new to the upgrading turbo stuff. Thanks in advance! Quote
Heartbeat1991 Posted April 25, 2014 Report Posted April 25, 2014 GT2860RS is the one you want. It requires very little to install. You'll need to move your O2 sensor to the down pipe somewhere. And the oil and coolant lines need a little tweaking. Quote
Tylerlp0 Posted April 25, 2014 Author Report Posted April 25, 2014 i know lol i posted about it on the TGP forum but couldnt get any pictures of how it looks installed or any specifics on the turbo specs that i need to order one Quote
Heartbeat1991 Posted April 25, 2014 Report Posted April 25, 2014 It was probably me there too. I will post some pics on here. I seem to have trouble getting them to upload on that forum. You can google that number to find where to buy them. There are a few on eBay for about $1,200 or so. I would avoid eBay unless you can guarantee it's a new Garrett, not a knock off or rebuilt. I'll get some pics up on the next couple days. Quote
redgrandprix Posted April 25, 2014 Report Posted April 25, 2014 atpturbo.com sells them and installation supplies. http://www.atpturbo.com/mm5/merchant.mvc?Screen=PROD&Store_Code=tp&Product_Code=GRT-TBO-004&Category_Code=GRT your gonna want the t25 inlet flange turbine housing with the 5 bolt discharge and internal wastegate unless you plan on modifying your downpipe quite a bit. mine has .86a/r on the turbine side and the compressor side is the one shown in the pic with 3in intake. Quote
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