Power out of an 11mm P-Pump

Kaiser

Kaiser

New member
So I got an 11mm p pump, question is it even worth putting the money into it to make it a formidable pump? Can you make it make power and get good fuel economy like a 12mm p pump? Here's a pic of the badge just for reference...
923C57BC-6873-44BC-B695-2869761712D3-899-000000D10664C792.jpg
 
I'm having fun with mine. I don't remember what Roachie did to it, but it used to get 20-21mpg with a 5speed. The automatic I'm testing is getting between 16.2-16.4 with it.
 
What do those pumps come on? 401 fords? It looks like Ford blue paint on that pic above... AFAIK, all the Dodge application pumps are 12mm right?
 
I think it would be fine for a daily driver if you got it cheap enough. Surely they can get enough fuel for 400HP.
 
Came on mechanical C Cummins engines and surely other apps. Most are 250HP C's

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I have run 11mm pump, you can not feel the difference between 12mm 160 hp pump, if the engine is fully stock
 
The motor came out of a 91 blue bird. The motor will be modified, it already has a 64mm from beans and 5x.012s.
 
Found myself a 160hp P-Pump for 450 bucks that was rebuilt 20k miles ago.. that be gonna be a good one if I put in a 4k gsk, delivery valves, and then have it benched. Motor will have 60lb valve springs, 5x.012s, and a 64mm...
 
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