View Full Version : 1970 Chrysler 7 hp Model 72HA

05-15-2009, 03:24 PM
Need to know the gas & oil ratio

05-16-2009, 04:02 PM
"50:1 - regular unleaded and TCW3 rated marine 2 stroke oil.

Additionally, you may want to take off a piece of gas line from under the hood and head down to NAPA and get a couple feet of "new" gas hose.

The rubber in the older lines doesn't stand up well to the ethanol in todays fuel - causes it dissolve and cause no end of clogging problems in the carb..."