Changeing 3 bvolt turbo to 4 bolt
- Thread starter Hognose
- Start date
- Joined
- May 26, 2001
Here's the deal with Buick turbo vs Sy-Tys.
The Buick obviously uses the 3 bolt T3 series turbo. The Syclone and Typhoon used a Mitsubishi turbo. The inlet flange and the downpipe flange on the Sy/Tys are completely different and non compatible between any Garrett based turbos.
PTE used to sell a Turbo & Downpipe kit, but the stock downpipe would not bolt up to the Precision style housing. Now, depending on what turbine wheel and what turbo you have on your Buick now, you might be able to purchase just a turbine housing from Precision, but you would have to fabricate a new downpipe on his truck from scratch and to my knowledge, no one currently offers a flange setup to facilitate fabrication. In other words, it's a loose loose situation trying to retrofit a Garrett turbo onto a Syclone/Typhoon with stock headers and stock downpipe. You could however change the headers and or header flange and make a new downpipe.
Hope this helps and good luck.
Patrick
The Buick obviously uses the 3 bolt T3 series turbo. The Syclone and Typhoon used a Mitsubishi turbo. The inlet flange and the downpipe flange on the Sy/Tys are completely different and non compatible between any Garrett based turbos.
PTE used to sell a Turbo & Downpipe kit, but the stock downpipe would not bolt up to the Precision style housing. Now, depending on what turbine wheel and what turbo you have on your Buick now, you might be able to purchase just a turbine housing from Precision, but you would have to fabricate a new downpipe on his truck from scratch and to my knowledge, no one currently offers a flange setup to facilitate fabrication. In other words, it's a loose loose situation trying to retrofit a Garrett turbo onto a Syclone/Typhoon with stock headers and stock downpipe. You could however change the headers and or header flange and make a new downpipe.
Hope this helps and good luck.
Patrick
