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Ronnieroadster · 11-26-2020, 12:50 PM

Hi Joe
I have two thoughts.
First considering how your engine pulls initially it looks like you have the S-10 T-5 if that's correct that first gear is extremely low being from the truck. If you go to a lower rear axle ratio your going to find first gear will be now to low the RPMs will come up extremely fast and of course this would continue to second and you would see a little improvement in third. The best way to eliminate the lag in third would be a close ratio transmission with the .76 fifth gear that would work perfectly.
Second thought the camshaft C/L may not be set correctly for what your doing. If its in the area of over 110 then in my opinion that will cause the lazy ness. Now this opinion I'm sure is going to open up a lot of other opinions and of course another thought hurt your economy.
Ronnieroadster

11-26-2020, 12:50 PM	#5
Ronnieroadster Senior Member Join Date: Dec 2010 Location: East Coast in CT Posts: 1,524	Re: Gear ratio's and final drives Hi Joe I have two thoughts. First considering how your engine pulls initially it looks like you have the S-10 T-5 if that's correct that first gear is extremely low being from the truck. If you go to a lower rear axle ratio your going to find first gear will be now to low the RPMs will come up extremely fast and of course this would continue to second and you would see a little improvement in third. The best way to eliminate the lag in third would be a close ratio transmission with the .76 fifth gear that would work perfectly. Second thought the camshaft C/L may not be set correctly for what your doing. If its in the area of over 110 then in my opinion that will cause the lazy ness. Now this opinion I'm sure is going to open up a lot of other opinions and of course another thought hurt your economy. Ronnieroadster __________________ I use the F word a lot no not that word these words Flathead , Focus and Finish. "Life Member of the Bonneville 200 MPH Club using a Ford Flathead block" Owner , Builder, Driver of the First Ford Flathead bodied roadster to run 200 MPH Record July 13, 2018 LTA timing association 200.921 in one and a half miles burning gasoline. First ever gas burning Ford flathead powered roadster to run 200 MPH at Bonneville Salt Flats setting the record August 7th 2021 at 205.744 MPH