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· Registered
2009 GU
421 Posts
Yes that is how I view it as well, the manifold has 'normalised'. The funny thing is this is relatively common on a CRD but uncommon on a DI, this could mean there may have been a change in supplier at some time who has a slightly different casting and curing process, or the original manufacturer changed their process.
I thought it was the result of the CRD running at higher EGT's rather than an actual change in the manifold
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