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performance differences between '87 and '92 200

To the best of my knowledge, the "performance" of the B230f did vary much at all during its entire production run. Changes in the rods/crank/oil squirters and fuel injection/ignition...yes. Compression ratio, cam profile, etc...I think they stayed substantially the same. I have no documentation in front of me proving this but I am about 85% confident.

You either had a significant issue with the 1987 or an oddball rear ratio. The cruising RPM: the M46 has a 0.79 OD gear and the AW70 a 0.69 so even with the (stock) rear ends of 3.31 and 3.73 respectively would have very similar "top" gearing.






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New performance differences between '87 and '92 [200]
posted by  riverbend subscriber  on Tue Dec 29 17:19 CST 2015 >


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