who has done the up-grade, HTT 66/14 (sled puller) to a Pro street 66/14 ?
quicker spool?
handle more HP?
cool the EGT's ?
better ET's?
better dyno #'s?
Thanks
Scott
quicker spool?
handle more HP?
cool the EGT's ?
better ET's?
better dyno #'s?
Thanks
Scott
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