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  #11  
Old 05-15-2019, 05:42 AM
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Quote:
Originally Posted by Flying Undertaker View Post
...Big Blocks were usually stamped either 40170 or 40731, Small Blocks had the metal tag with the stamped number. Small Blocks had the cast aluminum bottom cover as shown, Big Blocks had either the cast cover but more often had the stamped steel gold iridite cover. Don.
Hmm, my big block pump is a 40170 with a stamped metal tag, cast cover, nothing stamped on the body. Just "Made in the USA" cast into the underside of the body flange.
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  #12  
Old 05-16-2019, 11:47 AM
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Post Fuel Pump..

Looks very similar to the pump for the 68 L78 application...I will have to dig out my original pump and compare.

-wilma
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  #13  
Old 05-18-2019, 08:26 PM
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Originally Posted by MarcDant View Post
Looks a lot like a 409 hp pump.
Here is one similar on ebay.

https://www.ebay.ca/itm/61-1961-62-1...kAAOSwn~JauGCT
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Old 05-18-2019, 08:47 PM
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here is some pics of my NOS Big block 40170 pump, looks like there are differences in the inlet and outlet spacing (Number of screws) and the double inlet boss is on the opposite side. Hope it helps.





Scott
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  #15  
Old 05-19-2019, 07:03 AM
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Scott, that's exactly like mine.
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