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      06-04-2020, 02:45 PM   #91
Twistm4
I Drag Race My Track Car
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Drives: 2015 M4
Join Date: May 2020
Location: Southern IN

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I just installed the vargas CBC as well. I noticed theres one huge part of all this that no one has mentioned online.. Crank balancing.

We are ADDING weight to the crank pulley (thats never good). It's not the part itself thats the majority of the weight, but swapping to those supplied bolts rather than aluminum stretch bolts that weigh hardly nothing. What do some have to say about this? With a balanced engine like this adding a pretty decent amount of weigh to the crank pulley I would imagine would 1) Rob power and torque, 2) possibly give off false knock during hard acceleration 3) Cause the pulley to wobble slightly.

I feel like I have noticed numbers 1 and 2 after installing. What do others think?
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