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could someone tell me the stock camshaft profile in the 1974 ls4 454 used in the el camino? thanks!
 

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heres som readin
http://www.leverfamilysite.com/images/PDF_Files/Microsoft%20Word%20-%20Big%20Block%20Chevy%20Engine%20Parts%20Identification.pdf
http://www.chevelles.com/forums/showthread.php?t=357809
http://forums.corvetteforum.com/c3-tech-performance/1791001-gm-bb-cam-specs.html :sigh:

Ls-5 214/218 @ .050 .461/.480 115 Ls

Ls-4 210/210 @ .050 .440/.440 115 Ls

6) All 1970-72 LS-5 engines used the same camshaft, GM #3883986, which was also used on 66-69 L-36 427 engines.
* 1973 and 1974 LS-4 engines used a different camshaft, GM #353040, which was the same for both years. This camshaft was an "emissions profile" camshaft;
 
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