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Old 07-07-2016, 12:33 AM
rcc rcc is offline
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Default Question re: Head Casting Numbers, Valve Settings

I'm still familiarizing myself with my 70 Yenko. Pulled the valve covers off today to inspect the valve adjustment. The car is currently running a Howards 3972178 LT1 reground cam, and Comp Cam 7372 Push rods. The engine has less than 2000 miles since it was "rebuilt" by Bill Ulseth (I believe).

Q's: What is the correct valve settings/lashings? What are the correct casting numbers for the left and right heads? Is the correct carb a Holley 4551 with an "021" date code?

Many thanks [img]<<GRAEMLIN_URL>>/dunno.gif[/img] ,

Rick
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1956 Bel Air Nomad
1961 Ford Starliner, the &quot;Tangerine Dream&quot;
1963 Olds Jetfire, 1 of 13 Fluid-Injected &amp; Turbocharged
1966 Dodge Hemi Charger the &quot;White Elephant&quot;
1970 Dodge Challenger R/T, the &quot;Cream Dream Shaker&quot;
1970 Nova Yenko Deuce
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