The motors are Cosmo 20b's with thick irons, P-Ports, and are NA motors making 475-500 whp. The motors up to at least mid last year were made by Roger Mandeville.
Gordon
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1993 Rx7 R1 20b NA
1994 Rx7 20b supercharged project
1991 BMW 850 6 speed
1991 BMW E30 M3 Evo II
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