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bigger fuel pump question

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Old Jan 21, 2009 | 03:47 PM
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Default bigger fuel pump question

ok so im slowly getting ____ done, if i upgrade my fuel pump will it throw a cel without a tune? i ask because i will be running 5-6psi untuned and the fuel pump will richen things out a bit till i get tuned
Old Jan 21, 2009 | 03:57 PM
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u can ride round w/ fuel pump no tune just dont punch it ull be running a little rich but its ok for regular driving. no code will throw make sure its installed properly there are 2 DIYs on here one by me and another by B Real45, both ways resulted in no CELs
Old Jan 21, 2009 | 03:58 PM
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Default Re: bigger fuel pump question

Originally Posted by cburglb34
ok so im slowly getting poop done, if i upgrade my fuel pump will it throw a cel without a tune? i ask because i will be running 5-6psi untuned and the fuel pump will richen things out a bit till i get tuned
With the walbro upgraded, your tune will be richer for sure than what was tuned. I had to pull about 8-10% fuel out of the mid-range and top end of one persons tune after just a pump swap.
Old Jan 21, 2009 | 04:11 PM
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Default Re: bigger fuel pump question

Originally Posted by paul_dezod
Originally Posted by cburglb34
ok so im slowly getting poop done, if i upgrade my fuel pump will it throw a cel without a tune? i ask because i will be running 5-6psi untuned and the fuel pump will richen things out a bit till i get tuned
With the walbro upgraded, your tune will be richer for sure than what was tuned. I had to pull about 8-10% fuel out of the mid-range and top end of one persons tune after just a pump swap.
good means i wont be having a leaning problem up top
Old Jan 21, 2009 | 04:59 PM
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What is the part # on the Walbro 255 high flow pump for the tc.

Thanks,

Jeremy
Old Jan 21, 2009 | 05:22 PM
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Universal it's not tC specific get it off Dezod.com prob best deal 4 walbro package
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