crusing rpm for a kaiser

[vt2000driver]

what is the approx. rpm for the kaiser 226 motor driving at about 60 to 65? cruising not max.

[Gordie]

It depends on the rear end ratio and whether or not you have overdrive.  It can make a big difference.

[DTort96646]

I would like to be at 2500 to 3000 RPM at those speeds. Hydramatic with a 3.08 rear axle and 710 x 15 tires are what my 51 Frazer Manhattan has. 4.11 rear axle in overdrive with 710 x 15 tires would put you in the 2500 RPM range, and a 3.54 in overdrive with 710 x 15 tires would put you in the 2000 RPM range. If you do not engage or use overdrive, increase the engine RPM by 40% approximately. Almost 3500 RPM for the 4.11's and about 2800 RPM for the 3.54 axle.

[vt2000driver]

thankyou for the input appreciate the help

[boatingbill]

My '51 had a 3 speed with OD and would scream at 65 MPH. It sounded normal at 56-60 MPH, while my Dad's '53 with auto would cruise all day at 65 and get 25-27 MPG. I liked the pep of my '51, but not for highway cruising. I wonder what the '51 would have been like with the gears from a auto rear end. Anyone tried that ?

[joefrazer]

I went the other route...I installed OD in my 50K Traveler but left the non-OD rear end in place. I won't win a race off the line but it cruises all day at 70 mph at comfortable rpms and delivers over 20 mpg.

[boatingbill]

What was the rear end ration in your non OD Kaiser ? I wonder how that compares to the ratio in the automatics of the '53's.