Re: Supercharge or gear swap?
I spin 2500rpm at exactly 80 mph. I am curious what a factory H2 is spinning at the same speed. I wanted to do just a little more then stock to increase the torque getting to the road and offset the weight of the rims and tires. Around town its better then stock. As I said before at 75 it cruises perfect with decent mpg. I guess at 85 mph on 38X15.50 tires I should not complain about 9.0 mpg. Your down shifts sound like they are being caused by the engine revving to low and needing to get back up into its torque curve. I think there are some people on the forum who did the 4:56 and wished they had just gone to the 4:88s. The difference between the factory 4:11 and 4:56 is not that great.
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2004 Lux with 6 inch Fabtech with tie rods, 38 inch MT's, 4:88 gears, and some minor engine tweaks.
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