Quote:
Originally Posted by Redrider2911
I went to the track the other night and ran a 12.3 at 113mph. So I got some improvement, trans still isn't shifting where I would like; letting off the pedal to shift. Then on my last run I blew out an exhaust manifold gasket. Upon disassembly I found that I have a few cracks on the inside of the turbine housing? How serious is this?
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Cracks are common and they will get worse over time. They slowly grow under normal use, quickly grow when you blast them with high temp exhaust during 1/4 mile runs. I'd say it took me
300 1/4 mile passes from the time of first cracks to complete external cracks and destroyed exhaust housing.