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B20F · Nov 21st, 2010, 08:38

I imported mine ES in '99 from California.The B20F was only produced for the US market from '72-'75 iirc. It was used in the 1800E&ES and in the 140E series. The B20F was developed to meet the stringend Cal. emmission regulations, it has a lower compression ratio from 8,7:1, the E has 10,5:1. This gave the B20F 124hp instead of 135hp for the E, but those figures are (crankshaft)SAE hp. In (rearwheel) DIN hp it is something like 124 for the B20E and 115 for the F.

Nov 21st, 2010, 08:38	#13
B20F Master Member Last Online: Jul 7th, 2016 21:43 Join Date: Mar 2007 Location: Zeist	I imported mine ES in '99 from California.The B20F was only produced for the US market from '72-'75 iirc. It was used in the 1800E&ES and in the 140E series. The B20F was developed to meet the stringend Cal. emmission regulations, it has a lower compression ratio from 8,7:1, the E has 10,5:1. This gave the B20F 124hp instead of 135hp for the E, but those figures are (crankshaft)SAE hp. In (rearwheel) DIN hp it is something like 124 for the B20E and 115 for the F. __________________ Last edited by B20F; Nov 21st, 2010 at 08:40.