The 2.8 build

Discuss general engine, turbo and supercharger conversions in this section

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ed325i
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Post Mon Jun 04, 2007 6:29 pm

just fitted the spacer to the front of the crank but it doesnt fit flat against the end of the crank due to the shape of the crank.
Will this be ok ? (the block will cleaned before its all put together and its got to be bored out yet)

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Turbo-Brown
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Post Mon Jun 04, 2007 6:53 pm

With the tension you need to put in the crank nose bolt, I'd say that spacer needs to seat against the flat on the crank. The spacer will try to dig into the rad on the crank otherwise :(

Get the machinist to put a chamfer on the inside face and all will be well.
325i Twin Turbo (until 10am 01/12/07 :( )

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ed325i
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Post Mon Jun 04, 2007 8:48 pm

Get the machinist to put a chamfer on the inside face and all will be well
Thanks I will get them to do that.
Turbo-Brown
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Post Mon Jun 04, 2007 10:06 pm

They'll probably ask how much of a chamfer, (I'm not meaning to be patronising here BTW!) you'll need to measure the depth of the radius and then add mabey a 1/2mm just to be sure. No doubt a 45degree chamfer will see the job done :)
325i Twin Turbo (until 10am 01/12/07 :( )

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daimlerman
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Post Thu Jun 07, 2007 6:41 pm

Thanks Ed,keep em coming....