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Click on image for the lowdown. 
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| | | Forums66 Topics128,076 Posts1,055,920 Members48,429 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Feb 2004 Posts: 29,777 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,777 | So, what's the fix for this condition? Will bronze guides prevent this? Bronze guides help a little, but the good fix (once the cam and lifters get replaced) is to restrict the volume of exhaust gas available to the EGR valve by installing a stainless steel restrictor plate into the intake manifold gasket at the EGR/heat riser port in the cylinder head. If you can get away with it and still pass an emissions test, eliminating the EGR valve altogether is the best thing to do. Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt! There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway Love your enemies and drive 'em nuts!
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