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Enough clearance with .5 oversized Ferrea valves, 12.5cr CP pistons, and BC4 cams??

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Old Mar 21, 2005 | 10:29 AM
  #1  
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Default Enough clearance with .5 oversized Ferrea valves, 12.5cr CP pistons, and BC4 cams??

I'm in the switch for a set of bigger cams to run in my 85X89 gsr block with ported b16 head and .5 oversized ferrea valves on both sides.

Im using 12.5 compression CP pistons.

I'm most likely gonna try a set of Buddy Club 4's with this combo.

Anyone have any personal experiences and valve clearance issues with using .5 oversized valves and big cams??

TIA
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Old Mar 21, 2005 | 11:08 AM
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Default Re: Enough clearance with .5 oversized Ferrea valves, 12.5cr CP pistons, and BC4 cams?? (JerseySiPOS

only way to know is to clay it. otherwise you're gambling big time.

s
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Old Mar 21, 2005 | 11:10 AM
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Default Re: Enough clearance with .5 oversized Ferrea valves, 12.5cr CP pistons, and BC4 cams?? (JerseySiPOS

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by stevel &raquo;</TD></TR><TR><TD CLASS="quote">only way to know is to clay it. otherwise you're gambling big time.

s</TD></TR></TABLE> This would be my guess too. Werent you running toda B's or something like that? what happened...
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Old Mar 21, 2005 | 11:16 AM
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Default Re: Enough clearance with .5 oversized Ferrea valves, 12.5cr CP pistons, and BC4 cams?? (JerseySiPOS

thanks guys, yeah the only way to tell is to clay, just wondering if anyone else has a similar setup.

drchulo, i was using Toda Bs in my b16. Really wanted to try them with this build, but i sold them because i think there is definitely room for more cam. I miss my Toda Bs though
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Old Mar 21, 2005 | 11:31 AM
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Default Re: Enough clearance with .5 oversized Ferrea valves, 12.5cr CP pistons, and BC4 cams?? (JerseySiPOS

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JerseySiPOS &raquo;</TD></TR><TR><TD CLASS="quote">thanks guys, yeah the only way to tell is to clay, just wondering if anyone else has a similar setup.

drchulo, i was using Toda Bs in my b16. Really wanted to try them with this build, but i sold them because i think there is definitely room for more cam. I miss my Toda Bs though </TD></TR></TABLE> I know, you said you were going to run them on b20vtec...
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Old Mar 21, 2005 | 11:56 AM
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Default

ask tbone i asked him a similar question in his latest thread.
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Old Mar 22, 2005 | 03:47 PM
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Default Re: (vtecmissle)

also curious, what high lift cams have people used with oversized valves and no issues.
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Old Mar 22, 2005 | 04:16 PM
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Default Re: (im_poor)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by im_poor &raquo;</TD></TR><TR><TD CLASS="quote">also curious, what high lift cams have people used with oversized valves and no issues.</TD></TR></TABLE>
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Old Mar 28, 2005 | 01:41 PM
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Default Re: (sheepey)

bump
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Old Mar 28, 2005 | 01:48 PM
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Default Re: (vtecmissle)

most cams you can run big valves with if the head is built properly...

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