cut 1/4" cleanly when working right, haven't looked at it lately but probably no more than 50% duty cycle. can post up specs and model # in AM.. Whachoo got? need alum or steel fuel cell, suitable to modify for intank pump, 5.7 sbc parts (block, 5.7" rods 383 or 350 pistons , whatever) Open to any offer except kids or pets unless they're properly cooked.