Question about crankshaft balancing after knife edging
Posted: October 19th, 2010, 7:24 pm
Hello and thank you for taking the time to read this question.
I have started to build a BMW 3.5 straight 6 engine and I have made some inquiries with regards to having my crankshaft knife edged at a local engineering firm. I then made some inquiries with a company which undertakes balancing. I chose this company on the basis of my perception of their reputation (I cannot say too much in case I give away their identity) and the person I spoke to (the owner) proceeded to warned me about removing too much metal as it may then be impossible to bring the reciprocating mass back into balance. Obviously this person then proceeded to tell me that they would be only too happy to undertake this work for me thus guaranteeing that I wouldn't end up with a pile of junk. The cost would have ended up in the region of £600 which if I'm honest seemed a little excessive. I have my suspicions about what this person was saying but I'm no expert.
So is it possible to remove too much metal from the balance weights and thus ruin the engine?
Thanks in advance
gazzol
I have started to build a BMW 3.5 straight 6 engine and I have made some inquiries with regards to having my crankshaft knife edged at a local engineering firm. I then made some inquiries with a company which undertakes balancing. I chose this company on the basis of my perception of their reputation (I cannot say too much in case I give away their identity) and the person I spoke to (the owner) proceeded to warned me about removing too much metal as it may then be impossible to bring the reciprocating mass back into balance. Obviously this person then proceeded to tell me that they would be only too happy to undertake this work for me thus guaranteeing that I wouldn't end up with a pile of junk. The cost would have ended up in the region of £600 which if I'm honest seemed a little excessive. I have my suspicions about what this person was saying but I'm no expert.
So is it possible to remove too much metal from the balance weights and thus ruin the engine?
Thanks in advance
gazzol