340 springs will handle at least a .530 lift, but I think .550 is pushing it.
On my motor we went to the next step above the 340 spring in the MP book. I was using a .558" lift/ 300* cam.
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| Valve springs for .550 cam?? https://www.slantsix.org/forum/viewtopic.php?t=19521 |
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| Author: | featherduster76 [ Tue Sep 05, 2006 2:31 pm ] |
| Post subject: | Valve springs for .550 cam?? |
Can anyone reccomend valve springs for my cam? it is .550/.550-260@050..... |
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| Author: | Joshie225 [ Tue Sep 05, 2006 2:45 pm ] |
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No, but I'll bet the cam grinder would be happy to help. |
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| Author: | argentina-slantsixer [ Tue Sep 05, 2006 4:41 pm ] |
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mopar SB springs for 340 w/ damper?? P/N ends with 029 |
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| Author: | Joshie225 [ Tue Sep 05, 2006 6:06 pm ] |
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That's a bit too much lift for P4120249. Mopar Performance lists max lift as .500". With this big of a cam I go with what the cam grinder says. Some modern grinds have special needs beyond handling the rated lift. |
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| Author: | argentina-slantsixer [ Tue Sep 05, 2006 6:29 pm ] |
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Quote: That's a bit too much lift for P4120249. Mopar Performance lists max lift as .500". With this big of a cam I go with what the cam grinder says. Some modern grinds have special needs beyond handling the rated lift.
You're absolutely right. I don't know why I did read .500 instead of .550my bad! |
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| Author: | slantzilla [ Wed Sep 06, 2006 4:27 am ] |
| Post subject: | |
340 springs will handle at least a .530 lift, but I think .550 is pushing it. On my motor we went to the next step above the 340 spring in the MP book. I was using a .558" lift/ 300* cam.
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| Author: | featherduster76 [ Wed Sep 06, 2006 4:39 pm ] |
| Post subject: | |
On my motor we went to the next step above the 340 spring in the MP book. I was using a .558" lift/ 300* cam. by slantzilla Does anyone have that part #??? |
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| Author: | Joshie225 [ Wed Sep 06, 2006 5:15 pm ] |
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Quote: On my motor we went to the next step above the 340 spring in the MP book. I was using a .558" lift/ 300* cam. by slantzilla
It's in the Mopar Performance catalog.
Does anyone have that part #??? |
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