1/4 mile time for '74 repu
 

Best of 4 runs was 16.75 sec. @ 80.14 mph. Modifications were: K&N filter, Racing Beat header, bigger exhaust pipe, turbo muffler, traction bars, softer rear springs.

what do those things do stock... like 18's? should hang with a first gen

A magazine (don't remember which one) tested one and measured a 17.6 second 1/4 mile time.

what is that an oldschool carburated 4 port 13B?