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I have a 1986 austin class c thats 23'. it has a chevy 350 with 410 rearend. it sure runs good but it sounds like its going to come through the cowling when i am going up a hill or get much over 60 mph.
i put a tach on just to see where im at- and it never goes above 4000 rpm. is this acceptable? for how long? if not how high should i let it go.i am usally pulling a trailer with 6 atv's, through mountain grades. i know that i dont have enough motor, but its what i got!
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