m20 stroker (using m51d25-e36 325td)

[harry02]

Hello group,

New to this forum, have found a lot of usefull infos on this and decide to subscribe.
m Harry , driving 1973 bmw 02 , m20b25 swap ; my engine need a rebuilt so instead of just rebuild it , i will stroke it using m51d25 crank (84.2mm) as it is available here, M engine crank is almost impossible to find in this island.

I plan to use m20b20 130mm rods , and machine down the stock b25 piston (euro 9.7:1) to 14mm as said in other website, my question is, someone already did this stroker combo on this forum ?



Thank you

[DanThe]

Where are you out of interest?

[harry02]

Saint Marie Island

[reggid]

ive not seen anyone do that build on here. it will be very similar to the 2.8L using the m52b28 crankshaft. slightly less capacity and slightly less compression.