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vince1 · 04-13-2020, 09:48 AM

If you're getting 15.6 US (19.5 Imp.) MPG I would leave whatever you have alone. If it is in a P/U I don't think you will ever see better than that.

04-13-2020, 09:48 AM	#22
vince1 Registered User Join Date: Jan 2013 Location: Calgary Alberta Posts: 1,166	Re: 283 carb choice. If you're getting 15.6 US (19.5 Imp.) MPG I would leave whatever you have alone. If it is in a P/U I don't think you will ever see better than that.