Just for the sake of discussion lets say I could change the final drive gear ratio on the gl1800 to drop interstate type driving by 500 rpm's. I'm using 500 as thats pretty much how much the rpm's change from 4th to 5th and I like some others I know would really like a 6th gear type rpm at interstate speeds. What do you think the average rider would be willing to part with to have that kind of mod done? It would involve removing your final drive (not difficult at all) sending it in having a new gear set installed and of course properly set up and you re-installing it. I don't want to get into whats it made out of or is it reliable or any other type of tangent issues. Lets just keep it simple. I ask this question to find out if it would be worth going thru all the monkey motion a set of properly designed gears would cost to do this...I am considering it obviously or would not throw it out there. My question is aimed at those that feel as I do that the rpm's could come down for interstate type speeds so mpg doesnt take as much of a hit. Thanks fellow riders
tp
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2,286 Posts
Every experience I have had over the last 20 years or so has proven the thought line that to get the best gas mileage you want the engine putting out just the amount of horsepower to accomplish the required task at hand. My 68 chevelle SS 396 375 HP,, had the factory 4 sp. manual. It was running almost 2600 at 70 mph.. ( it was balanced and blue printed by Motion Chevy in New York for a redline of almost 8200 rpms. I instALLED A GEAR VENDORS INLINE OVER DRIVE WITH A 30% ODRIVE. GAS MILEAGE WENT FROM 16 MPG AT STEADY STATE CRUISE TO ABOUT 21
MY 1998 4 WD gmc DIESEL )6.5 TURBO) WITH STOCK 4 SPEED AUTO) AVERAGED ABOUT 14 MPG ON TRIPS TO 18.5 WITH THE GEAR VENDORS OD.
Soo hell yes if somebody comes up with a rear diff. gear change ,,, I am first inline.. If not as soon as the bugs are worked out of tthe CTX 1300D i am first in line for that
MY 1998 4 WD gmc DIESEL )6.5 TURBO) WITH STOCK 4 SPEED AUTO) AVERAGED ABOUT 14 MPG ON TRIPS TO 18.5 WITH THE GEAR VENDORS OD.
Soo hell yes if somebody comes up with a rear diff. gear change ,,, I am first inline.. If not as soon as the bugs are worked out of tthe CTX 1300D i am first in line for that
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