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Tech & Fab
12v Cummins Problems
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<blockquote data-quote="zukkev" data-source="post: 1568985" data-attributes="member: 17121"><p>NO, 3K are not stock...</p><p>Stock 12v falls flat about 2600... the 3K spring kit (or mod, if you are uber cheep-google it...) typically will get your powerplant running hard upwards of 3200rpm, but then you stand the chance of valve float at around 3100ish, in which case, the 60lb valve spring kit upgrade SHOULD also be in the budget...</p><p>It's a fine line...If doing the 3K 'mod', then you can fine tune it with the appropriate thickness washer set to achieve a perfect 3K max...but it takes time...easier to do the 60lb valve springs IMHO, and not have to wirry about it every time you accidently run er past 3100....IT happens...:awesomework:</p></blockquote><p></p>
[QUOTE="zukkev, post: 1568985, member: 17121"] NO, 3K are not stock... Stock 12v falls flat about 2600... the 3K spring kit (or mod, if you are uber cheep-google it...) typically will get your powerplant running hard upwards of 3200rpm, but then you stand the chance of valve float at around 3100ish, in which case, the 60lb valve spring kit upgrade SHOULD also be in the budget... It's a fine line...If doing the 3K 'mod', then you can fine tune it with the appropriate thickness washer set to achieve a perfect 3K max...but it takes time...easier to do the 60lb valve springs IMHO, and not have to wirry about it every time you accidently run er past 3100....IT happens...:awesomework: [/QUOTE]
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