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BadToTheBown BadToTheBown is online now
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Join Date: Apr 2008
Location: ABQ, NM
Posts: 1,112
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The final drive says 37/11 = 3.36:1. It now pulls 4,000 RPM at 55 MPH. Should be good on shorter strait tracks and temper my propensity to cruise at 80 MPH. For longer straights, I'll need to put the original back in.

On the battery, it's the LFX21L6-BS12. Found out about it on the pelican board somewhere. It's a strong battery and cranks fine even with the 13:1 pistons. I just put my stock R1150R pistons back into my Tourer and it cranks even faster than the Project Bike. If you get a Shorai (or any LiFe type battery), get their charger and use it. Our bikes are not designed to top off the individual cells in the battery which will eventually lead to a weak cell and you know how that ends up. I started my Tourer last year on this battery without the charger, now I cannot fully charge it. Apparently one of the cells is too weak now to charge up. I started the Project bike on the charger from the get go and it charges well with the charger and cranks great.
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BMW R1150sR - Project Touring Bike
Ducati Hyperstrada - Mountain Road Slayer
Porsche 914-6 Vintage Race Car
Porsche 944 S3S (S3 Studie)

Last edited by BadToTheBown; 07-19-2015 at 05:32 PM..
Old 05-08-2015, 07:52 PM
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