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Dyno'ed at 100+ rwhp today

Well, I haven't tinkered with the R11S much lately with the HP2 glimmering in my eye and the New Remus Race system I put on the HP2 (wow what an improvement). But after a track day last month at Barber I decided I could still do plenty with the old girl. Took her up today for a dyno run at lunch to get a baseline before I decided to order a PC III based on the exhaust readings. I was surpised as well as our old lead tech Zach to get 100.75 RWHP at 8k RPM with a peak torque of 72.22 at 6200 RPM. We also dynoed a seasoned 2000 R11S with exhaust and chip earlier in the week at 90 RWHP, so the dyno is well within average range. Based on the exhaust analysis I could definitely benefit from the PC III, so it will get ordered today and on it will go to see if I can find 2-3 HP and smooth out the curve that much more. I have had crazy thoughts of doing an 1150 high compression long rod conversion with re-valved/ported heads, but I have to see what's coming over winter before I commit to such an expensive overhaul when my OEM setup is as good as it has ever been at 26k miles and all that money for such an overhaul would go along way to procurment of a new steed if it appeals to me.
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Last edited by BMW Atlanta; 10-06-2006 at 11:23 AM..
Old 10-06-2006, 11:21 AM
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well pretty good hp results, I have istalled 1150 clyn. and pistons and cams and running around 110 to 112 rwhp, wanted to go the long rods but
had a hard time finding them.
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Dyno'd 104Hp 74.3 ft lbs torque at the rear wheel
1150 cylinders 12:1 pistons/ race cams, Lennies induct, Laser Boxercup II Exhaust, Ohlins shocks, Dymag Carbon Fiber Five Spoke wheels, Crossover tube removed, heads ported and polished Bigger valves installed intake and exhaust! SJ power filter, motoyoyo clamps , HID

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Old 10-06-2006, 12:25 PM
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How much HP at the crank to dyno 112 at the rear wheel? Sounds like quite an increase.
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Old 10-06-2006, 03:00 PM
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the route to 110RWHP is filled with cylinderhead work, compression increases, displacement increases, in E-Z's case, cams made a BIG difference, right, EZ?
As I understand it, carillo makes long rods for the 1100/1150 R259 engine, but of course, that takes a piston with the pin hole further up, almost into the bottom ring land....but they ARE carillo's
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Old 10-06-2006, 03:32 PM
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EZ-Rider

You running the SJ big bore kit??
Old 10-06-2006, 06:00 PM
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Would it be wrong to assume that 113 wrhp translates to over 130 hp at the crank?
Wow, you made a better engine that BMW did with the R1200S!
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Old 10-06-2006, 09:16 PM
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The loss is normally given at 8hp, so 121hp at the crank.
http://www.bbp.homepage.t-online.de/r11s4e.htm
But this diagramm shows 132hp at the crank (or124rwhp) is possible:
http://www.bbp.homepage.t-online.de/r11s5e.htm

Hugo
Old 10-07-2006, 05:30 AM
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I have been wanting to utilize BBPowers goodies for the past 3 years, and now that I am at a point to afford it I think I want to wait and see what's new before throwing $3-4k at an $8k bike.
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Old 10-07-2006, 06:13 AM
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Thats why i asked the question about who's big bore kit was used,SJ's or BBP's
Old 10-07-2006, 07:57 AM
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I purchased the parts myself separatly pistons are 12:1 1150 clyn. had chris, Machice them to fit the case, I did not use San Jose Kit because he uses stock pistons.Before the mod I was pushing 102.7 rwhp So I gained 10 hp
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Dyno'd 104Hp 74.3 ft lbs torque at the rear wheel
1150 cylinders 12:1 pistons/ race cams, Lennies induct, Laser Boxercup II Exhaust, Ohlins shocks, Dymag Carbon Fiber Five Spoke wheels, Crossover tube removed, heads ported and polished Bigger valves installed intake and exhaust! SJ power filter, motoyoyo clamps , HID

Last edited by EZ-RIDER; 10-08-2006 at 12:47 PM..
Old 10-08-2006, 12:44 PM
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I remember that the early 1994 R11RS had larger intake valves. Don't mean it's true, just what I remember. Maybe BMW Atlanta can tell from the parts listings? You need to move more air as well as fuel if you want to make more HP.
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Old 10-08-2006, 05:37 PM
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Quote:
Originally posted by Moybin
I remember that the early 1994 R11RS had larger intake valves. Don't mean it's true, just what I remember. Maybe BMW Atlanta can tell from the parts listings? You need to move more air as well as fuel if you want to make more HP.
don't forget that the engine becomes more efficient in regards to air and fuel with higher compression. BBPower is making 132hp at the crank with modified heads, valves, and throttlebodies but no mention of bigger injectors.
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Old 10-09-2006, 06:30 AM
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