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Precision Crankshaft Pulley Shaving & Flywheel Resurfacing

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Old 08-01-2006 | 08:13 PM
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dunkd
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Default Precision Crankshaft Pulley Shaving & Flywheel Resurfacing

Intrested in having your crankshaft pulley shaved down? My dad owns a machine shop and can do them. His method is better than most other machine shops because he uses a Blanchard grinder to do so, not a bandsaw or lathe - the blanchard grinder is a more precise grinding machine.

Method: First, the pulley is thouroughly cleaned. The backing of the pulley is shaved down a very slight amount (~.010"). This is done for locating purposes on the Blanchard's chuck. The pulley is then flipped over and remounted on the chuck. The outer pulleys are then ground down. The pulley is then crosshatched to give a better finish on the product. After machining the pulley is checked for flatness and parallel. The pulley is then placed on a static balancer and balance is checked. The three last measurements will almost always be exact because of the precision of the Blanchard grinder. Finally, the pulley is deburred and will then be return shipped USPS Priority Mail (2-3day) with delivery confirmation. Turnaround time will be 3-5 business days.

Why?: A shaved down OEM pulley is better than using a CTR N1 pulley or Unorthadox pulley because it will retain the factory harmonic dampening. This will make it so no premature bearing damage can be done to the motor, which is known of undampended pulleys. This is more prominent on higher revving/horsepower motors. A shaved OEM B-Series pulley is only 3lbs 2ounces.

Ordering: Price is $58 return shipped. Discount's for multiple pulleys. Shipping information will be provided via E-mail or PM. Best way to pay would be to send it to me with tracking information and a check/money order enclosed.

Conact: All transactions will be handled by me for the best customer service you can get :thumbup: Feel free to contact me with any questions. Please send email to cgunsch@hotmail.com. Also I can be reached via AIM @ 'paintballs'.

Here are a few pictures of honda-tech user Amy's h22 pulley that was ground down for clearance purposes on her H2B project.








Here is honda-tech user rebo0t's shaved B-series pulley.


He can also do Flywheels on the Blanchard grinder. A similiar method is used when resurfacing flywheels. He can hold a closer tolerance than the flywheel comes from the factory, or a flywheel cutting machine that is used by most machine shops to resurface them. He has done numerous flywheels for me.

Price is also $58 return shipped.

Here is a picture of an Exedy flywheel that was done by him.

Old 08-04-2006 | 10:58 PM
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ttt
Old 08-05-2006 | 09:05 AM
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Bump for some clean work at a good price. Just for the records my step-dad has his own machine shop where he does EDM work, this kind of craftsmanship does not come cheap.




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