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Big Cam Power!!!!!
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Discussion Starter #1
Doing inframe on the 79 Kenworth ( NTC 400) is it necessary to replace the damper if so should I used the larger damper off the N 14 also the balancer that PP uses will this help with anything
Thanks for any input
 

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Junior Member
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A lot of the rebuild packages we use to get from Cummins that had long warranty coverage "NOW" program came with a new damper. You can test it by just bouncing it on the tire about 3 inches, if it rattles is bent or distorted it is junk.
 
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The other guy
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I change them on Cummins at 2nd inframe (1.5mil) or if changing CPL's from anything to a 400. The 400 uses a special size one. And no, unlike the others, you cannot mis-match viscous dampers on Cummins. Use what it supposed to have ;)
 
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