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"Very Common" to space alternator pulley

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Chevy C70 Service Truck with Cummins

I have a custom made alternator bracket. The alt. pulley is at least 1/4" out of alignment from the other pulleys. This has caused repeated failures of parts including several belts and a sheared idler pulley bolt. I've been told by the fabricator that it is a "very common" practice to shim the pulley of the alternator out to accomodate for this on these engines (03'/04' motors). I've also been told that it's common to get alternators with the same part numbers from the manufacturer that are shimmed differently? I know you can shim a pulley a little or even get a different pulley but not that this was "very common" or that either would make up for this large of a gap. To give the fabricator the benefit of the doubt I wanted to know if anyone out there was familiar with this "very common" practice.



1Coyote
 
I think your fabricator just dont want to tell you he screwed up .

I have never seen shims on a factory serpentine belt set up "v" belts yes

if in doubt call cummins or dodge and ask them
 
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