the only thing that worries me about tuning in 4th is that 4th tops out so high...but I think i'm gonna switch and do it in 4th, and see what my EGT's are reading.
I checked the turbo (see other post) and it seemed fine, but I cannot exmplain the white smoke for the life of me
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Black 98 GST missing her owner and looking for a new one...Inquiries welcome