Posted 09-17-2002 at 16:05:27
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I have no idea as ta what tha original mix was and since Mac is defunct now You can't much ask Them. To be real safe I'd opt for a 16:1 ratio. It's a cinch Ya won't ruin it with that much oil ,may foul tha plug some but thats about all.
On tha other hand, run it with too lean a mix and it'l only take about one tank!!!!!!
If tha plug realy fouls with oil Ya might go to a 32:1 mix. Next up would be 40 and last would be 50:1 But unless somone knows for sure I'd not go past tha 32:1 but that mix can wipe out an old saw,from late 70's back.
Just remember,Wally world don't carry parts for Mac's!!!!!!!!!