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Bill G · 01-27-2023, 02:15 PM

Backfires can be from running lean. You might also check for good gasket seal around the manifolds and check for cracked manifolds and make sure that the vacuum port for a vacuum wiper is not opened up.

01-27-2023, 02:15 PM	#5
Bill G Senior Member Join Date: Jun 2017 Location: Walla Walla, WA Posts: 1,072	Re: Backfire! Help! So frustrated! Backfires can be from running lean. You might also check for good gasket seal around the manifolds and check for cracked manifolds and make sure that the vacuum port for a vacuum wiper is not opened up.