Double Pumper Install
Double Pumper Install
going to have a member build my double pumper setup. Going to have my tuner install the hobbs switch and connect the second pump.
but my question is do you tee the second pump into the main fuel line?
Or do you connect the second pump to the evap line and tee into the main fuel line in the front?
but my question is do you tee the second pump into the main fuel line?
Or do you connect the second pump to the evap line and tee into the main fuel line in the front?
Evolving Member
Joined: Oct 2013
Posts: 175
Likes: 8
From: Phoenix, AZ
https://www.evolutionm.net/forums/ev...el-system.html
Whoops, I see you've already posted in there
I think you can run both ways. There are pros and cons to each. What size is your main fuel line? OEM 6an hardline? Or aftermarket 8an or 10an? If OEM 6an, then use evap line.
How large is the factory feed on our cars? If I had to guess its gotta be around 5/16 or somewhere in that neighborhood. 3/8 is -6AN which seems kind of small. No way you're making 1000whp on an evo on factory lines on ethanol.
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originally was going to use the evap line, and tee into the fuel rail
but now I see you can use the main line and tee in the back.
but if I can use the evap line instead as a secondary line I will be ok with that instead of the line just sitting there