Originally posted by Good & Tight
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My BT is 3.15 ,, and similair ratio in 5th.. i can get 320 at fullblast thats 291-293 km GPS
on 300 the GPS is showing 279 km/h... and that is very fast ,,belive me
ok lets convert it to mph 1.609 x 180mph = 289.620 km/h
to be honest i am not sure your engine and gearbox .. 6400rpm x 0.8x in 5th can make such a speed ,,
for sure the output can throw you there,, also is the E30 like a brick on cw maths
E34 S38 with 7200 rpm and similair 5th having 3.91 as diffratio is good for 26x km/h in real speed ,, that is around 165 mph MAX
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