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Head CC's

Started by BONERACIN, January 05, 2009, 05:20:40 PM

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BONERACIN

January 05, 2009, 05:20:40 PM
How do you know how much to shave off a head to get the CC's you want?
Boneracin
"Uncle Sam made me cut off my mullet"

nc-renegade

January 05, 2009, 05:53:02 PM #1
Someone posted on the old site that 1 cc = .007232" off the head.
107ci, 11:1,T-Man Stage 3 Heads, T-Man TR-662 cam, HPI 51mm TB, Feuling plate/SP

Hillside Motorcycle

January 06, 2009, 04:04:55 AM #2
.007" is a rule of thumb, but cut,check. Do not assume.
Otto Knowbetter sez, "Even a fish wouldn't get caught if he kept his mouth shut"

HD/Wrench

January 06, 2009, 05:21:05 AM #3
Scot is right on the spec, but dont forget as that head is decked down that number does not hold as true due to the shape of the chamber.

FSG

January 06, 2009, 09:03:04 AM #4
Quote from: Hillsidecyclecom on January 06, 2009, 04:04:55 AM
.007" is a rule of thumb, but cut,check. Do not assume.

:up:

Quote from: GMR-PERFORMANCE on January 06, 2009, 05:21:05 AM
Scot is right on the spec, but dont forget as that head is decked down that number does not hold as true due to the shape of the chamber.

:up:


Below is a CAD over graphic I did of my Fattys heads last year which were eventually cut, checked, cut & checked to 83cc's

Sonny S.

January 06, 2009, 09:40:32 AM #5
Quote from: Hillsidecyclecom on January 06, 2009, 04:04:55 AM
.007" is a rule of thumb, but cut,check. Do not assume.


Do not assume.   :up:
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