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.5mm valves vs. big cams?

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Old Feb 1, 2007 | 08:52 PM
  #1  
sibluecrx's Avatar
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From: oldsmar, Florida, usa
Default .5mm valves vs. big cams?

hey sup guys new to hondatech...im from tampa fl....anyway i have a fully built poor mans type r with about 12.5:1 comp and full rev valve train.i have now ordered buddy club spec IV cams.my question is ive been told that with my .5mm over sized valves i will have issues with valves hitting each other?but then again some people say ill be fine.i really need a good answer from someone that knows thier ****.im ok when it comes to piston and valve clearance i just need help on this factor now.and one more thing i plan on a very big shot of nitrous so i need at least some room for cam timing retarding.thanks look forward to some good info~!
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Old Feb 1, 2007 | 10:19 PM
  #2  
92TypeR's Avatar
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From: Drinking Beer, UT
Default Re: .5mm valves vs. big cams? (sibluecrx)

Installed on the correct centerline and degreed, you will have absolutely no clearance issues.

However, with oversized valves you are limited to cam adjustments, advancing the intake cam too much can result in valve-to-valve contact.
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Old Feb 3, 2007 | 12:01 PM
  #3  
sibluecrx's Avatar
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From: oldsmar, Florida, usa
Default Re: .5mm valves vs. big cams? (92TypeR)

anymore info?
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Old Feb 3, 2007 | 02:13 PM
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DonF's Avatar
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From: Atl. Beach, fl, duval
Default Re: .5mm valves vs. big cams? (sibluecrx)

Why? You just got the correct info.
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Old Feb 3, 2007 | 02:21 PM
  #5  
b19coupe's Avatar
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From: Southern California, U.S.A.
Default Re: .5mm valves vs. big cams? (sibluecrx)

If you are not sure of your clearances run the intake at -1 and the exhaust at +1.
Marshall's advise is good
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