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Old 04-17-2005, 05:51 PM   #1
joelboxt
71 Cheyenne SWB Fleetside
 
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Join Date: Jan 2005
Location: Sarnia, Ontario, Canada
Posts: 403
Question 10W30 vs. 10W40

hey whats the differance? got my girl friend to pick up some valvoline oil for me. i asked for 10W30 and she brought home 10W40.. is that ok to toss into the engine? its a 350CI.

its 10 weight 40 viscosity right? so is 30 tinner then 40?

thanks


joel
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