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Old 08-30-2017, 03:52 PM
Frank Reiner Frank Reiner is offline
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Join Date: Feb 2011
Location: Modesto CA
Posts: 4,086
Tony:

Mother Benz has acknowledged the design change was to improve sealing. The change came with the 4.2/5.6 engines ('86 MY). Should be even better with the rigidity of the iron block.
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