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3-Series (E36) Chat relating to the BMW 3-Series from 1992-1999. Autodoodad Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.

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Old 09-22-2004, 01:15 AM   #1 (permalink)
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I have heard the term "Regrind my Cams" and I am confused.

If you do in fact grind down a Cam, would that not reduce the lift of the Cam? Would that not reduce torque and horsepower?

What am I missing?
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Old 09-22-2004, 10:27 AM   #2 (permalink)
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Quote:
Originally posted by docrobot@Sep 22 2004, 12:15 AM
I have heard the term "Regrind my Cams" and I am confused.

If you do in fact grind down a Cam, would that not reduce the lift of the Cam? Would that not reduce torque and horsepower?

What am I missing?
[snapback]196570[/snapback]
That just means they take your stock cams and regrind them to change life/duration, etc. It's not as strong. What you want is a cam which is grounded from a new OEM Billet. Reground cams are just cheaper, you pay for labour and not material cost.
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Old 09-24-2004, 02:34 PM   #3 (permalink)
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Basically they grind off the material opposite of the top of the lobe that's what raise's the lift and then the change the angle shape to change the duration.
It's a bit simplified.You really should make sure that you get cam from a reputable regrinder because most cam's don't have much material to be reground so your are limited to the types of perfomance grinds.
For me it is a lot of work to change cams so I think you might be better off buying a grind"new cam" that suits you then to save a little money to buy a reground cam that isn't what you are looking for.Well that is my own opinion.
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