I have a reverse manual TH400 with Tbrake behind my Blown and nitrous injected 396. The Trans will not shift into 3 at WOT during a hard pass on the spray. The Trans works fine on a blower only pass but doesn't seem to like the extra 250 foot pounds of TQ the spray adds. Any ideas on what would cause a trans to work flawlessly on mid 9 blower passes but not work on the spray? One thing I thought of was the shifter cable binding with the extra TQ but I have pretty much ruled that out. Thanks
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Jeff
96 SS BLOWN
96 TA 396 D1