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RedBed · 04-30-2018, 01:15 AM

Yes, it has lockup. Goes into OD about 65 and locks up about 68-70.

Yes, I did re-calibrate gears and checked it vs GPS.

04-30-2018, 01:15 AM	#11
RedBed Registered User Join Date: Apr 2017 Location: TX Posts: 257	Re: Optimum RPM for 305 MPGs Yes, it has lockup. Goes into OD about 65 and locks up about 68-70. Yes, I did re-calibrate gears and checked it vs GPS. __________________ *1979 Chevrolet Bonanza/305/4L60/Edelbrock Performer/Holley 600 Classic*