[Spridgets] rocker knock

crusaderchuck55@aol.com crusaderchuck55 at aol.com
Thu Sep 29 12:49:36 MDT 2016







    This is a very common long standing problem with alloy valve covers.  Some issues arise with manufacturers and others arise due to clearances being modified over time with shaved blocks and heads or alternate rockers being used.  In any case do not double stack the gaskets!  When you least expect It ( No matter how you conspire to glue them together) you will have a gasket migrate away leaving you with a huge oil loss and possibly under hood oil fire!   While deep down I have wanted an early 60's period alloy cover for my car, I've kept an original stamped tin one in spite of having my head drilled for Cooper s's extra stud and bolt.Chuck
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------ Original message------From: mdrowe via SpridgetsDate: Thu, Sep 29, 2016 9:33 AMTo: Spridgets at autox.team.net;Subject:[Spridgets] rocker knock
BLOCKQUOTE.cite {	PADDING-LEFT: 10px; MARGIN-LEFT: 5px; BORDER-LEFT: #cccccc 1px solid; PADDING-RIGHT: 0px; MARGIN-RIGHT: 0px}BLOCKQUOTE.cite2 {	MARGIN-TOP: 3px; PADDING-TOP: 0px; PADDING-LEFT: 10px; MARGIN-LEFT: 5px; BORDER-LEFT: #cccccc 1px solid; PADDING-RIGHT: 0px; MARGIN-RIGHT: 0px}.plain PRE {	FONT-SIZE: 100%; FONT-FAMILY: monospace; FONT-WEIGHT: normal; FONT-STYLE: normal}.plain TT {	FONT-SIZE: 100%; FONT-FAMILY: monospace; FONT-WEIGHT: normal; FONT-STYLE: normal}A IMG {	BORDER-TOP: 0px; BORDER-RIGHT: 0px; BORDER-BOTTOM: 0px; BORDER-LEFT: 0px}.plain PRE {	FONT-SIZE: 12pt; FONT-FAMILY: Tahoma}.plain TT {	FONT-SIZE: 12pt; FONT-FAMILY: Tahoma}BODY {	FONT-SIZE: 12pt; FONT-FAMILY: Tahoma}I had a very loud knock that sounded absolutely fatal, and I was really worried that I was going to have to open this engine up a second time.  It turned out to be an adjustment screw on the high-lift rockers hitting the alloy valve cover.  A simple solution is to put on a second gasket to raise the height of the cover.  Anyone encountered this before?   Michael RoweThe Holy Sprite
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