'51 Chief - Colo Posted January 23, 2008 Share Posted January 23, 2008 I am in process or restoring a '51 Chiefton, FH 6. I am in need of the water pump. I have found on from a '50 flathead 8 Pontiac, but can not find anything that would tell me if they are interchangeable. Are any parts for the engine interchangeable between the 6 and 8? if not, can someone tell me where I could find one?Any info would be appreciated.thanks Link to comment Share on other sites More sharing options...
Guest Pete Woodruff Posted January 23, 2008 Share Posted January 23, 2008 The water pumps are interchangable on 49 - 53 engines whether 6 or 8 cylinders, so the one you have should work. The factory rebuild kit for these pumps was Pt. No.513164 according to my 1953 Pontiac Master Parts Catalog and included everything needed to rebuild the pump. Link to comment Share on other sites More sharing options...
'51 Chief - Colo Posted January 23, 2008 Author Share Posted January 23, 2008 how many other parts are interchangeable?thanks for the info Link to comment Share on other sites More sharing options...
Guest Pete Woodruff Posted January 23, 2008 Share Posted January 23, 2008 I don't have a list; but it is a significant number. A quick scan of my parts book shows the interchange is even better from about 1937 through 1949. 1950 and newer shows much more distinction between the 6 and 8. I recommend that you try to find a Master Parts Catalog for '51 and you can use it as an interchange guide. You may want to consider subscribing to the Early Times Chapter newsletter; it's dedicated to all '26 - '54 Pontiacs. The web address is: www.earlytimeschapter.org/ Link to comment Share on other sites More sharing options...
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