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Re: Valve seals
I'm with you. Might as well see how these things run before dumping $700 into new heads. Maybe the spring and some leaky seals were the only issues? If so, you saved some money to be used for other improvements (or gas and food as prices rise).
Yes, the Summit heads bolt right on a 327 and will not cause detonation issues. They are not HotRod heads, but do flow better than any OE old school head. You simply can't go wrong using these on a driver.
By the way, are you sure its a 327? Did you run the casting number on the driver side rear of the block? You might be surprised at what you find. When I bought my truck was told it a 350. When I got it home, found it to be a '76 305....
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1971 C20 Custom Deluxe, HT383, 4L80E, 3.73 Locker, 4 Wheel Discs
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