Originally posted by 545HpGt
about the overbore:
"+2mm is safe (85mm), +3mm can be done but you run the risk of walls becoming oval.http://members.aol.com/FE3N/rods.html. Note, you cannot use the stock head gasket over +1.5mm"
about the pin height change to increase rod length:
"the stock pin height is 1.108". FM pushed it all the way to the max with a bridge holding the oil control ring up. http://www.gvii.net/dlralt/misc_imag...r/Dscn8824.jpg "
so...like i said, and have known for over 3 years now... you cannot get a BP to 2L with just bore. Pretty hard to dispute with the hard numbers.
ever think your machine shop is ****ing with you?
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