BMW E34 M52 Vanos Engine Build ???

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sindako
E30 Zone Newbie
E30 Zone Newbie
Posts: 57
Joined: Sun Jul 13, 2014 11:00 pm
Location: Jordan, Middle East

Sat Oct 25, 2014 1:53 pm

Hello zoners .
I Need some Info Mates .

See My Friend Wants Me To Build Him an M52 (Vanos) Engine , For his E34 520i .

See .
The Parts i'll be Using are :
M52b28 Cylinder Head & Cams
M52b28 Block
M52b25 AFM
M52b25 Auto Transmission
M52b25 Throttle Body
M52b28 ECU
M52B28 Exhaust Manifold
Supersprint Performance Exhaust System
3.73 Ratio Open Diff

M50B25 Intake Manifold

Now My Question is about the Pistons and The Crankshaft .

Should I Go With The M52B28 pistons with M52b28 Crankshaft ?
or Should I Go With M52B30 pistons with M52b30 Crankshaft ?

Which Will Be Better , Because I don't See a Big Difference between B30 and B28 ......

What's The Option Here ?
Should i Go With B30 Or B28 Pistons and Crankshaft ?

And How About Gain Differences ?
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DanThe
E30 Zone Team Member
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Posts: 28646
Joined: Sat Sep 10, 2005 11:00 pm
Location: Staffs
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Sat Oct 25, 2014 10:50 pm

There wont be a massive difference in HP but you will have approx 40lbft extra with the 3.0
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