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Old 10-02-2012, 10:33 PM
Ben Ben is offline
MC Devotee
Join Date: Jul 2004
Boat: '94 PS205 LT1
Location: Michigan
Posts: 1,466
I don't use antifreeze on mine. Was told its bad for the alum heads. Assuming you are using rv stuff, not real antifreeze which would be un tree huggerish.
Also i think I've been using 15/40 for a while now.
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