RWD - B20E

Volvo RWD 140-160 Forum

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B20E 140-160

One no brainer is to take the sides out to match the bore.

At .040 over, cylinder bore is 90mm and the chambers are already 92mm across.

Then make a little more clearance around the intake (unshrouding).

NOT outboard of the valves, which will actually hurt flow. The major squish area -- the flat edge opposite the spark plug -- can be cut back somewhat, as can the outer edges of the wedge the plug threads through.




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New B20E [140-160]
posted by  rawits  on Mon Jun 29 13:13 CST 2009 >


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