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Old 03-21-2004, 07:47 PM   #1
burtonownz
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M5 cylinder head on an M20?

I know it's unlikely that it is, but does anyone know if the cylinder spacing and/or bore is the same on the M5 engine as it is on the M20?
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Old 03-21-2004, 09:11 PM   #2
MorningCruiser
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Err, strong doubts about bore because the M5 engine isn't 5l... I don't think it's just stroke.
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Old 03-21-2004, 09:15 PM   #3
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doesnt the m20 run on timming belt and the m5 run on timming chain if im not mistaken!
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Old 03-21-2004, 09:15 PM   #4
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Quote:
Originally posted by M_powered
doesnt the m20 run on timming belt and the m5 run on timming chain if im not mistaken!
tru dat
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Old 03-21-2004, 11:32 PM   #5
Mystikal
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Guys, he's referring to the E28/E34 engine.

They don't line up properly, a guy recently tried.
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Old 03-21-2004, 11:59 PM   #6
87e30
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the m5 motor is based off of the m30 wont fit on the tiny m20
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Old 03-22-2004, 12:19 AM   #7
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u better of with the m30 Convertion in the e30's then u can try switch the head on it. refer to www.car-parts.com for prices on the engines they r preaty cheap..
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Old 03-22-2004, 01:56 PM   #8
burtonownz
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Heh, just after I had already put the post in I found the stroke length, bore, and bore spacing. So, yeah, it doesn't work. My plan is to stick with the M20 except do a 2.7 litre conversion and while I'm at it, have it overbored to give me 2.8 litres. I want to N/A tune it to gain the most knowledge of how the engines run.
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