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Old 08-21-2002, 11:40 AM
Dan16V Dan16V is offline
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Join Date: Mar 2000
Posts: 245
Cross-drilling crankpins???

MBDoc, Speedtek, Benzmac and any others who might be able to help out,

1. Is cross-drilling the crankpins a smart thing to do?

2. Will it actually increase total flow?

3. Will the oil flow back and forth through the cross-drilled part and actually decrease average flow?

4. Do the crankpins need to be ground after this is done?

5. If it's so great, why didn't the car have it done stock? Because of the additional machining costs or increased oil flow?

Thanks so much! The 16V turbo rebuild is coming along quite nicely!

87 190E EVO II Turbo
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