Tweet
Tach drive distributors have a nylon or bronze button at one end of the driven cross gear and a thrust washer at the other end. Which way is the cross gear thrust?
Randy
Randy
-
-
Re: dist cross gear thrust?
Randy,
The direction of force is toward the nylon button (or cast iron housing in 60's cars)when the engine is running. Originally, there was no button at all and eventually the cross gear dug it's way into the cast iron housing. Some time around 1970, (?) the nylon button was added in production to prevent this problem. -
Re: dist cross gear thrust?
The nylon button showed up in 1970 production about s/n 12,000. one can spot those distributors with the button inside by the small hole in the side of the housing opposite the tach cable attachment (unless the housing has been modified).
You were right on as usual Michael.TerryComment
-
Re: dist cross gear thrust?
That's what I thought but was confused as to why there is a thrust washer at the bronze coupler end too. Does the needle bearing cross gear design eliminate any problems with the original design?
Tahks for your inputComment
Comment