Thread: SBC 350 Engine Backfire Through Exhaust and Carb
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Old 04-17-2011, 08:34 PM   #12
Foosified
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Location: Edmonton, AB, CAN.
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Re: SBC 350 Engine Backfire Through Exhaust and Carb
no zinc additive, but I`m pretty sure the oil I put in has some in it.
Quote:
Originally Posted by cableguy0 View Post
Are you using a zinc additive now? its just as important now as it was during break in.,
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