MC1of80 Posted January 9, 2022 Share Posted January 9, 2022 No ignorance implied. Sorry if I offended you also. Just some info for everyone. Hope it helps. An overdrive with any gear ratio will get better milage than the same ratio with a 3 speed trans. Quote Link to comment Share on other sites More sharing options...
71MonteCarloMD Posted January 11, 2022 Share Posted January 11, 2022 Thanks Tom, so swapping the overdrive transmission like 4L80E with 10 bolt (8.2 or 8.5) will improve mileage? Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted January 11, 2022 Share Posted January 11, 2022 No one can guarantee a milage gain but it certainly should give you one. Just how much of a gain is unknown. If nothing else highway drivability will be more fun. Quote Link to comment Share on other sites More sharing options...
Scott S. Posted January 11, 2022 Share Posted January 11, 2022 When I swapped in the 200r4, my mileage went from about 14 mpg to 19 mpg. (imp. gal) Quote Link to comment Share on other sites More sharing options...
Dtret Posted January 11, 2022 Share Posted January 11, 2022 It’s funny how times have changed. We’re building “classics or hot rods” and we’re making changes with fuel mileage as a concern. Yes I get it and I do it to. It’s just funny.🤪😆 1 Quote Link to comment Share on other sites More sharing options...
MC1of80 Posted January 11, 2022 Share Posted January 11, 2022 No milage concerns here. It is what it is. If I was worried about gas milage I wouldn't have classic cars and my daily wouldn't be a truck! Just sayin... 3 1 Quote Link to comment Share on other sites More sharing options...
Scott S. Posted January 24, 2022 Share Posted January 24, 2022 Out here in the open wilds of western Canada, it can be a few miles between gas stations..... The days of having one every 50 miles are gone, even though some of the buildings are still standing. The things you took for granted as a kid.... lol. Quote Link to comment Share on other sites More sharing options...
Blake350 Posted February 13, 2022 Share Posted February 13, 2022 On 1/11/2022 at 11:58 AM, Dtret said: It’s funny how times have changed. We’re building “classics or hot rods” and we’re making changes with fuel mileage as a concern. Yes I get it and I do it to. It’s just funny.🤪😆 What? fuel isn't 54.9 cents a gallon anymore? whoa! Quote Link to comment Share on other sites More sharing options...
Scott S. Posted February 13, 2022 Share Posted February 13, 2022 HELL !!!! I'd be happy to pay that for a liter !!! :s Quote Link to comment Share on other sites More sharing options...
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