Joined
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65 Posts
Now that some of you have your 4B's installed, what is it like driving them, specifically engine rpm vs. road speed? I've been reading all I can find and understand that peak trq. is between 1700 & 1900 rpm and red line is 2400-2500 rpm (using stock pump settings and gov springs). I've crunched the numbers on the various gear/xmsn/tire size calculators to achieve "my" best case set up. When traveling at 1900rpm on the hwy do you "feel" like the engine is cruising or being lugged? Does it "feel" like your buzzing the engine at 2200-2400 rpm (wish you could up shift)? I realize people define hwy. speed differently, I'm thinking constant speed of 55-75 mph. I currently drive a VW Tdi but that red lines at 5000+ rpm and is only a 1.9L, so I don't think it's an apples to apples comparison. I'd like some feed back on how you'd gear it for the hwy. if you had the chance to do it again.