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Old 03-24-2009, 12:55 PM
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Originally Posted by Randy WS6
I had a similar problem , I would shift at 7400 rpm, then after a while it wouldn't go over 6800rpm, would no clime any higher. I changed the valve springs to a new set and fixed it, Now i can rev to 7400 all day long.
This is a possibility.........Easy check is to pull some springs and check them. It doesnt actually make any strange sounds when it does it, but it doesnt have to do whats "normal" otherwise it would be easy.


Kane, the lingenfelter cam is pretty to me. I love that cam....but not for your engine, unless you really want oem stock drivabilty. For your car I would go bigger, cause its not a daily ride, its just for fun. I d look at something like 224-238 or 230/244 in the 590 lift area on a wide cl. 114 and up.
Old 03-24-2009, 02:15 PM
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I treat it like a daily driver though. I like to take the car on long trips and when I drive it I do not want to deal with drivability issues. I would probably drive it even more daily if I calmed it down a little. I am really leaning towards that lingenfelter cam.

Kane

Originally Posted by 1320
This is a possibility.........Easy check is to pull some springs and check them. It doesnt actually make any strange sounds when it does it, but it doesnt have to do whats "normal" otherwise it would be easy.


Kane, the lingenfelter cam is pretty to me. I love that cam....but not for your engine, unless you really want oem stock drivabilty. For your car I would go bigger, cause its not a daily ride, its just for fun. I d look at something like 224-238 or 230/244 in the 590 lift area on a wide cl. 114 and up.
Old 03-24-2009, 10:00 PM
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Originally Posted by Randy WS6
I had a similar problem , I would shift at 7400 rpm, then after a while it wouldn't go over 6800rpm, would no clime any higher. I changed the valve springs to a new set and fixed it, Now i can rev to 7400 all day long.
If it was valve springs then running it N/A should eliminate the problem for him or at least move it up in the RPM band. It still occurs at the same RPM n/a or boosted which eliminates the valve springs. Adding boost makes the springs appear weaker than N/A.
Old 11-17-2009, 11:25 PM
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any updates?????




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