bransonauction
Probationary Member
- 14
- 0
- Jun 24, 2009
-
Branson,
Missouri
Can someone explain the positive/negative effects of using a 14b compressor housing and wheel with a 12a exhaust housing and exhaust wheel?
I understand the difference in the flange, not bolting up to existing downpipe, etc; what I'm wondering is how this will affect performance.
The exhaust wheel in the 12a is maybe 1mm smaller in diameter which makes the 14b wheel not fit in the 12a exhaust housing, hence the switch.
For those that may wonder, "Why?" I have a bunch of turbos and no money, the only one with a good exhaust housing is the 12a. Unfortunately it also has horrible shaft play, I swapped the exhaust wheel and the exhaust housing onto a 14b with good bearings and I now have a complete turbo that's in much better shape than my current 14b. I have all the flanges for the downpipe and wastegate port, shouldn't be too hard to mount. Plasma cutter will take care of the exhaust manifold-turbo problem. Can I do this? It just seems too easy...
I could really use some help with this before start cutting things. Will have clearance issues with the engine block?
I understand the difference in the flange, not bolting up to existing downpipe, etc; what I'm wondering is how this will affect performance.
The exhaust wheel in the 12a is maybe 1mm smaller in diameter which makes the 14b wheel not fit in the 12a exhaust housing, hence the switch.
For those that may wonder, "Why?" I have a bunch of turbos and no money, the only one with a good exhaust housing is the 12a. Unfortunately it also has horrible shaft play, I swapped the exhaust wheel and the exhaust housing onto a 14b with good bearings and I now have a complete turbo that's in much better shape than my current 14b. I have all the flanges for the downpipe and wastegate port, shouldn't be too hard to mount. Plasma cutter will take care of the exhaust manifold-turbo problem. Can I do this? It just seems too easy...
I could really use some help with this before start cutting things. Will have clearance issues with the engine block?
