There is ABSOLUTELY no way to tell. If/when the factory data is flywheel hp., how much did it ever put to the ground (which is all you can measure now). IF the engine was 10 hp. up or down from data, how would you ever know? question is absolutely useless as you have no comparable data AT ALL. The o...

Hey there. I am rebuilding a 850R, and would like to fit a newer head with more flow, eg. from the RN or RNC engine. Do anybody have any casting numbers to look for??? I know which year to look for, but everytime I ask on eg. eBay, they reply with another question: what casting number? Any other thi...

Hey there. I have, what is supposed to be a 1996 850R. But i am not able to locate the OBD connector. I have attached a picture, as i have an orig. fuel-driven heater where the connector is supposed to be. Can anybody help me out? In the engine bay, there are the check-boxes "A" & &quo...

Thanks for your answers. 3" stainless exhaust is already in the planning as described. I have furthermore: EGT gauge Wideband O2 gauge (AEM) Air intake temp. gauge 3" MAF I have also been thinking of the water/mathanol, as i already have a kit for another car, but i am afraid it will confu...

Hey there. I am going to update/uprate my 850R, 1996, aut. Current set-up: 3” stainless DP 2½” exhaust A Swedish chip. What I expect to do: JE pistons, 8,5:1 H-beam rods S60R manifold Heads ported, polished & new valves 89 mm. downpipe 3” stainless exhaust with Magnaflow cat. and silencer Stock ...