i talked to peterson about a larger tank and not filling it as much. they said that this could cause the tank pickup to become uncovered at high rpm and high gs. their suggestion is to check oil level at a steady 3k rpm and fill it to just above the top of the baffles. this of course will be different depending on the rpm of the motor.
my plan is to run one of their 7" drag tanks. all the baffles are the same as the others. they claim its 1.5 gallons, but i get 1.8 to the baffles based on their drawing. i get about the same for the ats/peterson 6x19.5" tank. the nice thing about the drag tank is the attached catch/breather can. if mounting space isnt a huge issue, this appears to be the cleanest setup. plus, its only about 40 bucks more to add the breather. the other setup require 2 -12 fittings, line and a $100 tank.
you guys worry me with the "heating oil" comments. im thinking this is for race motors with certain bearing clearances and not a motor that was designed for some street use.
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