willo88 Member 700 Member For: 12y 3m Gender: Male Location: Newcastle Posted 18/07/14 03:18 AM Share Posted 18/07/14 03:18 AM Righto. Thought it was time I upgraded the intank pump in my fuel system. Currently have a PW twin 460 surge that is more than capable on p98.On e85 I question the ability of the stock intank pump to keep the surge full under WOT.Looking at getting a Walbro pump put in the standard intank pot. Question is size?I've been told the 400lph pump requires some modifying of the standard pot to fit, whereas the 255lph and 300lph will slip straight in. Any advice would be sooper dooper.(Apologies if this has been covered elsewhere, but the search function isn't working with tapatalk) Link to comment Share on other sites More sharing options...
JETURBO ...JD TUNING ADELAIDE... Gold Donating Members 23,708 Member For: 15y 10m 25d Gender: Male Location: Adelaide Posted 18/07/14 03:22 AM Share Posted 18/07/14 03:22 AM A walbro 255ltt per hr is more than enough to keep a surge full on e85 even with twin o44's for a substantial amount of WOT time 1 Link to comment Share on other sites More sharing options...
sct911 Member 848 Member For: 11y 5m 19d Gender: Male Posted 18/07/14 04:35 AM Share Posted 18/07/14 04:35 AM Pretty sure Joe put a 300lph intank pump when I upgraded , should be sweet Link to comment Share on other sites More sharing options...
rednose RNS10S Donating Members 2,229 Member For: 17y 8m 9d Gender: Male Posted 19/07/14 08:50 AM Share Posted 19/07/14 08:50 AM 255 is plenty, if I had to do it again I would try a SARD one, relo has one in his liberty and its very very quiet.Most use the walbro, he opted for a SARD and couldn't be happier. Link to comment Share on other sites More sharing options...
camo86T Silver Donating Members 1,810 Member For: 10y 2m 13d Gender: Male Location: SW Sydney Posted 20/07/14 12:46 PM Share Posted 20/07/14 12:46 PM I have an FG ute and will be shortly doing some mods, one being Walbro 460 in tank pump assembly from ebayI assumed bigger was better though no plans to go any higher than say 400rwkw on e85According to the listing this setup will drop straight in place of the stock pump assembly, anyone able to advise whether or not this is the case?I can't paste the link for some reason Link to comment Share on other sites More sharing options...
willo88 Member 700 Member For: 12y 3m Gender: Male Location: Newcastle Posted 20/07/14 11:25 PM Author Share Posted 20/07/14 11:25 PM I rang the bloke that sells them last week and he reckons they just drop in and that's it. Ideally that's what I'd want to use but it's a bit overkill for what I'd need. I'll just go the cheaper option 255 1 Link to comment Share on other sites More sharing options...
Lennox Member 2,586 Member For: 11y 1m 30d Gender: Male Location: Perth Posted 21/07/14 01:29 AM Share Posted 21/07/14 01:29 AM So do you need a different regulator or tune or anything else or literally you just bust the bigger pump in and you're good to go? Link to comment Share on other sites More sharing options...
camo86T Silver Donating Members 1,810 Member For: 10y 2m 13d Gender: Male Location: SW Sydney Posted 21/07/14 04:34 AM Share Posted 21/07/14 04:34 AM I would've thought you definitely need a tune?Though I'll be babying my ute the 30odd km to CMS with different turbo (3582), cooler (PW stage 1) and the Walbro... according to him it'll be ok as long as I stay off boost...!! I did ask the question about the reg and the reply was "see how we go" Elsewhere on this forum upgrading reg when upsizing the pump seems to be a definite must, but I have every faith in CMS!! Link to comment Share on other sites More sharing options...
rednose RNS10S Donating Members 2,229 Member For: 17y 8m 9d Gender: Male Posted 21/07/14 11:29 AM Share Posted 21/07/14 11:29 AM I'm using a 1000hp pump with the standard reg 1 Link to comment Share on other sites More sharing options...
gregaust Member 48 Member For: 20y 7m 6d Gender: Male Location: QLD Posted 02/08/14 10:42 AM Share Posted 02/08/14 10:42 AM Walbro 460 goes right in , no tune needed and standard reg . Although I did go tune right after due to injectorsThe 460 goes into factory holder with a few slight mods Link to comment Share on other sites More sharing options...
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