Vortec valve guilds - Team Camaro Tech
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post #1 of 7 (permalink) Old Oct 22nd, 02, 12:19 PM Thread Starter
 
Join Date: Nov 2001
Posts: 257
I have read that you just use a file to knock the guilds down to what you need plus some clearence. Do the guilds just slide out? How do you get the guilds out far enough to file them. Do do you just start filing away at the top, I thought the actual guild was inside but maybe not. Thanks and what is a good compression ratio with the XE274? 91 octane is the only fuel and this is with vortecs great combustion chamber
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post #2 of 7 (permalink) Old Oct 22nd, 02, 01:53 PM
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Matt Jones
 
Join Date: Jan 2002
Location: Renton, WA USA
Posts: 2,765
I'm not sure if I understand, but do you mean for spring clearance?

If so, then no modifications are necessary. Many drop-in springs are made by EPN, Comp Cams, and so on...the ones by EPN can take .600 lift and have 110-120lbs at 1.850", which should be good for that cam.

------------------
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post #3 of 7 (permalink) Old Oct 22nd, 02, 05:15 PM Thread Starter
 
Join Date: Nov 2001
Posts: 257
What I mean is valve guild to retainer clearence my vortecs only have .475 I need at least .5 for the XE274
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post #4 of 7 (permalink) Old Oct 23rd, 02, 04:45 AM
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Wally
 
Join Date: Dec 2000
Location: Frederick Maryland
Posts: 91
Use a file????

There is a tool used to cut the guide down. I can't imagine what kind of mess you would make of the top of the guides using a file.

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post #5 of 7 (permalink) Old Oct 27th, 02, 07:05 AM Thread Starter
 
Join Date: Nov 2001
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I found the post over on chevelle from Gary at GMPP which says to add more clearence just file down the guilds and becareful not to take too much, just take enough for clearence and a little extra for safty. I just dont know where to start, do you just start filing away on the top?
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post #6 of 7 (permalink) Old Oct 28th, 02, 03:10 PM
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Join Date: Jun 2000
Location: LaGrange,Il
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I suppose you could just file .025" off the top of the guides, just remove the valves and file the tops, I would deburr the inside after filing. It will be difficult to make the top look like it was machined. and will be a lot of filing. and clean up carefully when you are done.

TTFN
Mat
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post #7 of 7 (permalink) Old Oct 29th, 02, 11:31 AM Thread Starter
 
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ok thanks
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