Re: BTV Replacement that should work for everyone

Posted by Craig Hendrickson On 2015/7/25 13:37:59

The main problem with using a booster/MC in the stock BTV location is not so much fitment, but pedal leverage. Most modern boosters require about 4:1 (but 3.5:1 to 4.5:1 is OK) pedal leverage. Since the BTV is 1:1 therein lies the problem.

My 55 Pat has reworked pedal leverage and position and that bothers some people. Lance's use of the 1979 Caprice booster/MC and pedal assembly has a pedal position very close stock, but mounts the booster/MC on the firewall and requires eliminating the D-side vent and closing the hole. My Panther project also mounts on the firewall and retains the D-side vent but requires extensive work to the pedal pivot and arm. ALL THESE SOLUTIONS (and some others done by PackardInfo members) work much more reliably than the BTV.

Pick your poison.

Sanddoc, what pedal leverage does the booster you cited require?

Craig