Re: Increasing top speed

Posted by 32model901 On 2012/3/28 20:54:09

Kts68,

I've installed high speed gears from ORF Corporation in a '32 and have had excellent results. The documentation with the gear set is excellent, offering a step by step approach to replacing and setting up the new gear set.

This link shows another option, an overdrive unit from Gear Vendors. IMHO an excellent quality compact unit.https://packardinfo.com/xoops/html/modules/newbb/viewtopic.php?topic_id=6367&forum=1&post_id=70708#forumpost70708

I also have an Excel spreadsheet where you can type in your tire diameter and gear ratio and compare engine rpm's. PM me if you want a copy.

A few pictures of the GV unit, the custom drive shafts I had made and the frame for mounting the GV unit to the "X" frame. I also designed a 4140 chrome moly flange that would accept modern 1350 universal joints and mate directly to the Packard transmission and differential flange.

Regards,

Dave

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