Thread: 5.3L cam swap
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Old 12-04-2013, 12:40 AM   #2
clinebarger
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Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
Re: 5.3L cam swap
Install new springs!! The stock springs become weak, Seen too many LS engines break springs at 150,000 to 200,000 miles.

GM ZO6 springs for $4 a piece http://www.summitracing.com/parts/na...9224/overview/
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