Originally Posted by
JTECHSAFF
i was constantly breaking boxes on my T34 55lb setup,
the last one broke in 5th gear at 35mph 1500rpm after cruising off the motorway ....dabbed the throttle and BANG....stuck in fifth, gear lever lurched forward.
the t34 as stu said uses all its power all the time, and very early, it does come in with a bang to
oh, front diffs dont like it up em either

You could have resolved this by remapping the boost curve to climb with revs. This is what the APT boys did on Churcy's car. 370bhp / 350lbft standard box, still going well. No midrange spike

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