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05-23-2017, 11:03 PM | #1 |
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Join Date: Jan 2004
Location: Belmont N.S. Canada
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Spring Pressures
New cam going into our 454/365/355 this week, and I'm wondering if we have enough spring pressure. Springs are testing the same as when I put them in, only about 50 passes on it but the cam was used and outdated when we built the engine. It's a .460/.480 lift with current springs setup to be 200# on the seat, 390/400# over the nose. I've recently heard of setting springs up so they are within .050 of coil bind over the nose which would net me around 460-470#. Also it is getting solid lifters. Does any of this seem to be in the ball park or should we be going for more?
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Chris Chapman 1969 Chevelle NHRA F-G/SA 1090 |
05-26-2017, 12:06 AM | #2 |
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Join Date: Aug 2006
Location: Pukwana SD
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Re: Spring Pressures
If you have tool steel or smith lifters 200 should be good.
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