Nissan GU Fuel filters

Submitted: Friday, Apr 06, 2007 at 22:34
ThreadID: 44066 Views:1585 Replies:4 FollowUps:0
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G'day all,
We have a 4.2 GU diesel and was playing with the idea of installing a second fuel filter inline under the bonnet.
In a GQ I had , I replaced the original filter with the "cav" type(with the glass bowl underneath.)
Is it a good idea to have both the original filter and a second with the glass bowl to see whats goin on?
I thought 2 filters had to better than one but am not sure if the fuel flow could be affected? Would this reduce fuel flow enough to affect cooling of the injector pump or starve the engine of fuel when under load?
Any help appreciated.
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Reply By: hiab - Friday, Apr 06, 2007 at 22:49

Friday, Apr 06, 2007 at 22:49
i think you will be alright, the fuel goes through at more than enough pressure. the injector spring wont open until about 2,000 psi {in a 2h motor}, so go ahead and do it, i have twin filters on my 60, and they could,nt pull the fridge door open. so any fuel flow problems would mean heaps in the 60. paul.
AnswerID: 232079

Reply By: samsgoneagain - Friday, Apr 06, 2007 at 22:59

Friday, Apr 06, 2007 at 22:59
oh yes thats right. everything everyone has said ever is correct, and by the time you have read this you will realise that this response is totally a waste of time. ok
AnswerID: 232083

Reply By: hiab - Friday, Apr 06, 2007 at 23:06

Friday, Apr 06, 2007 at 23:06
i am seated in the smallest room in the house, i have your email in front of me.... soon it will be behind me. evens hey.
AnswerID: 232084

Reply By: Member - Uncle (NSW) - Saturday, Apr 07, 2007 at 06:37

Saturday, Apr 07, 2007 at 06:37
Hi DT, I've just put a second inline filter in mine. Ours is a non turbo, my mates GU is a factory turbo, he also has one in his and is regularly pulling 1600kgs of CT with no flow problems. I recently changed the factory filter while away on a trip as it was full of gunk!
Once home ,put the inline on.When the next change is due, will probably put the cav filter set up on.Cheers unc.
AnswerID: 232102

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