Looking for specs on the Bosch 420 pump
Staging Lane
Joined: Oct 2006
Posts: 54
Likes: 0
well post 18 shows that a duel 044 only supports 609 on 45psi. that is far off from dave(mm) saying it will support 1400?
wth?
i am running a twin turbo system with e85. i am planning on 18 psi of boost. and want to run 255 in-tank. and duel 044 bosch in a sump style. i want to make1000 wheel power but maybe more. so will the three pumps support that?
wth?
i am running a twin turbo system with e85. i am planning on 18 psi of boost. and want to run 255 in-tank. and duel 044 bosch in a sump style. i want to make1000 wheel power but maybe more. so will the three pumps support that?
well post 18 shows that a duel 044 only supports 609 on 45psi. that is far off from dave(mm) saying it will support 1400?
wth?
i am running a twin turbo system with e85. i am planning on 18 psi of boost. and want to run 255 in-tank. and duel 044 bosch in a sump style. i want to make1000 wheel power but maybe more. so will the three pumps support that?
wth?
i am running a twin turbo system with e85. i am planning on 18 psi of boost. and want to run 255 in-tank. and duel 044 bosch in a sump style. i want to make1000 wheel power but maybe more. so will the three pumps support that?
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9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
Virtually no efi style pump sucks fuel. Thats why they must always be mounted where the pickup is naturally surrounded by fuel.
Whether thats gravity fed to an external pump, or with the pump mounted intank, at the lowest part of teh tank so the pickup is surrounded by fuel...doesnt matter.
MM mouted 3 Walbro's in tank...so I dont see why, other than overall length, mounting 2 044's in tank shouldnt be possible.
When I say pull it is because it is mounted verticle in-tank and then is Pulled through the pump and up the lines... Is this not correct. I have a 99, and still use the bucket. If I have to I will sump the tank but would much rather not do that
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
The actual pumping section is always submerged in fuel, as its at the lowest part. The same as every efi pump needs to be.
Staging Lane
Joined: Oct 2006
Posts: 54
Likes: 0
Explain pull ?
Virtually no efi style pump sucks fuel. Thats why they must always be mounted where the pickup is naturally surrounded by fuel.
Whether thats gravity fed to an external pump, or with the pump mounted intank, at the lowest part of teh tank so the pickup is surrounded by fuel...doesnt matter.
MM mouted 3 Walbro's in tank...so I dont see why, other than overall length, mounting 2 044's in tank shouldnt be possible.
Virtually no efi style pump sucks fuel. Thats why they must always be mounted where the pickup is naturally surrounded by fuel.
Whether thats gravity fed to an external pump, or with the pump mounted intank, at the lowest part of teh tank so the pickup is surrounded by fuel...doesnt matter.
MM mouted 3 Walbro's in tank...so I dont see why, other than overall length, mounting 2 044's in tank shouldnt be possible.
Staging Lane
Joined: Oct 2006
Posts: 54
Likes: 0
Yes, as long as the pickup is in fuel -- now if you go and mount it any higher than a foot above the fuel level, a check valve on the outlet side of the pump is recommended.
