Polarity issues

I did find the authors name eventually…it is; Phil Auldridge – Austin, Texas

Likely he is/was a member on here, may be possible to search

(Mike Eck gets a mention in that pdf)

Just wanted to be sure this gents fine presentation is attributed

I also have pictures somewhere of another retrofit…its worthwhile to do a thorough Jag-Lovers Archive search, as this matter has been discussed before, I even think it may be possible to fit a Sanden 508 without cutting