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injecters ma out ..help plz

Old Sep 5, 2008 | 12:08 AM
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injecters ma out ..help plz

hey i just intalled my new t4z 88hta turbo and ams vsr ...
im running 1200 injecters and walbro intank fuel pump only or fueling .
b4 when i was on standerd gt35r turbo the duty cycle on my injecter was 91% at 2.1 bar boost .
i installed the new stuff (t4z88hta and vsr) on 1.5 boost my injecter duty cycle went upto 98% ...
i think i need more fuel now ..
plz sugest me wat to do now ....
btw my tuner has asked for 1 new inline wabro 255lph fuel pump to feed the 1200cc well and 1 aeromotiove 1:1 fpr ...
wat do u guyz say about this ?did he ask or the rite stuff ?
help will be appreciated ...

Last edited by haseeb; Dec 1, 2008 at 01:27 AM.
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Old Sep 5, 2008 | 01:30 AM
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bump
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Old Sep 5, 2008 | 02:35 AM
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U need 1200cc injectors + uprated fuel rail + This
No need to use new FPR,OEM is good enough.
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Old Sep 5, 2008 | 11:25 AM
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im already running 1200cc injecters but i think the my singal walbro is maxing out and not the feeding the injecters for the needs ,wat do u guyz sy on this ..
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Old Sep 5, 2008 | 11:29 AM
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Looks like you might need a BR double pumper to get extra fuel to those injectors.
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Old Sep 5, 2008 | 11:33 AM
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Get the double pump hanger shown above and be done with it.

Later
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Old Sep 5, 2008 | 11:37 AM
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hey ,how about an extra inline walbro 255lph ...
gona save me some $$ and thats wat my tuner is asking for .
infact i just buyed a new areomotive 1:1 fpr and inline walbro fuel pump .
i hope its gona doo the same as double pumper setup ..
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Old Sep 5, 2008 | 11:28 PM
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ny 1 else .....
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Old Sep 6, 2008 | 12:30 AM
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with a single walbro my 1000cc injectors are at 107% IDC with DLL showing ~500awhp. With a dual walbro from buschur my IDC is now in the 80-85% range.

stock fpr, stock rail, stock lines
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Old Sep 6, 2008 | 01:18 AM
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means if i add another inline walbro pump im gona be ok ..
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Old Sep 6, 2008 | 01:19 AM
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Originally Posted by haseeb
means if i add another inline walbro pump im gona be ok ..
exactly
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Old Sep 6, 2008 | 01:42 AM
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Originally Posted by Boost3dxEvO
exactly
thanx dude
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Old Sep 7, 2008 | 10:51 AM
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more opinions ?
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Old Sep 15, 2008 | 02:29 AM
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hey ,the car has been tuned at 2 bar boost on 96 octane ..
all ill say is wow .the spool is gr8 and is the same as my old gt35r ...
the power band in between 6k and 8k is awsom ....
but ive got a question .... ive installed a new 255lph inline fuel pump but my injecter duty is still at 100% .. im restricted at 2 bar boost cause of this ..
1200cc and twin walbros maxing out ..
wat cud be the reason ?
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Old Sep 15, 2008 | 11:58 AM
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check your fuel lines for leaks...and what A/Fs does your car see at 2.0 bar? If you dont have a wideband I would suggest getting one. Also, whats your fuel pressure at idle??
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