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#3
09-13-2007, 06:12 PM
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Re: L78 Camshaft and springs
As Keith mentioned,aim for the stronger valve springs,originally issued mid year in 1969,(late 69 production),as part #3989354 used on the new three prefix letter coded solid lifter engines for 1970 too.
The troublesome springs used before then were part #3859911,striped red/silver/purple & sometimes tan. 
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