Walbro 255 do i need it
02-06-2004, 04:14 PM
#11
3.0 BAR
Join Date: Mar 2003
Posts: 21,479
Re:Walbro 255 do i need it
Originally Posted by Nick7
OK.. just a silly question - why would standard fuel pump be insufficent for, let's say 10psi?
It's not like that at 10 psi you'll use 4x more fuel than on non-turbo engine at WOT.
I understand need for inline pump for FMU, but for such pressures (stock) with larger injectors... I don't see a need - except maybe just to be on 'safe side' to put more quality pump.. but still.
AFAIK if you use 440cc injectors vs. 240cc you will at WOT in worst case use 2x fuel than before. And how many lph has stock pump? I bet more than enough....
With 990cc or similar.. yes, than I'd say upgrade...
It's not like that at 10 psi you'll use 4x more fuel than on non-turbo engine at WOT.
I understand need for inline pump for FMU, but for such pressures (stock) with larger injectors... I don't see a need - except maybe just to be on 'safe side' to put more quality pump.. but still.
AFAIK if you use 440cc injectors vs. 240cc you will at WOT in worst case use 2x fuel than before. And how many lph has stock pump? I bet more than enough....
With 990cc or similar.. yes, than I'd say upgrade...
CAn you use the stock pump, yeah sure, but why risk blowing the ---- out of your motor over a $85 fuel pump?
It's just a good idea and being in the "safe side" is a good idea also.__________________
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