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Need help picking out stock valve springs 289

4947 Views 17 Replies 7 Participants Last post by  66coupe289, 
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Hello I’m refreshing a 289 out of a 1967 mustang fastback for a friend of the family’s. Oppon disassembling the heads I found one of the original valve springs was broken. There’s two different types of valve springs available one says “ after L-10 to L-14” and the other says “after L-14 change” I honestly have no clue what this means and I need help picking out the right springs for the engine I’m working on.
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bmcgc
At over 50 years old it is really stretching it to think that everything on your engine is original.

When I buy a 60s Ford, I go into it with the attitude that any and everything has been repaired, replaced or changed. Most people spent as little as possible to keep a car on the road, correct or not.

I think we have all seen some marvels of engineering on old cars that make us scratch our heads and ask "Why".
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