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DIY fuel pump question

1K views 3 replies 2 participants last post by  68Ss 
#1 ·
I was looking at summit and Holley offers a 32 gph 7 psi fuel pump. HLY-12-426, 427 or 428. At what gph would you need a return and would these work as a lift pump with 2 Hastings filter heads?
 
#2 ·
Ttt
 
#3 ·
Is it a "flow through" pump? If not it would leave you stranded if it ever quit on you.
 
#4 ·
I have been looking at not just this one but some from airtex as well and most are flow through.
 
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