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Buell Forum » Knowledge Vault (tech, parts, apparel, & accessories topics) » Engine » Valvetrain: Cams, Lifters, Pushrods, Rockerbox, Valves, Springs, Guides, Seals, Retainers, Seats » Andrews N4 grind « Previous Next »

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Lee
Posted on Wednesday, October 01, 2003 - 08:16 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Are the Andrews N4 cams the same grind as the S1/X1? .497 lift I believe. If so, why would someone with an S1 replace his cams with N4's?
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Aaron
Posted on Wednesday, October 01, 2003 - 08:47 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes. Because his old ones are worn out?
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Lee
Posted on Wednesday, October 01, 2003 - 09:53 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Aaron,

Don't know that's what I'm trying to figure out. He started with a '97 S1 and built it up to a 89 inch with Patrick Racing cylinders, ported T-storm (BC Gerelogy) heads, Mikuni 42 and Andrews N4's. Just kinda curious as to why he go with N4's if he's already go the Lightning 497's.
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Kdkerr2
Posted on Monday, June 15, 2009 - 06:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The Andrew's N4 cam is very close to the specs on the Screaming Eagle 497 [drop-in] cam. It puts out about 101 HP [at the crank] on the stock 01 Buell X1 Lightning. I just checked the specs from Andrew's on line catalog and the Nallin Racing websites. If you go with the Andrews make sure you get the right year cams. The 91-99 won't fit 00-09 bikes and vice versa.
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