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ZUKIWORLD Discussion Forum => Suzuki 4x4 Forum => Topic started by: prairie_dog on October 03, 2005, 08:57:37 PM

Title: EFI fuel pressure????
Post by: prairie_dog on October 03, 2005, 08:57:37 PM: I asked a couple of people what the fuel pressure was in the 1.6's and got answers all over the map ???
I called the dealership, they said 35-40 psi but I question their answer cus after buying parts from them I realized the new dealer with all new staff didn't know much about zukis or cars for that matter >:(

Anyways I bought a holley inline pump says it's set for 45 psi / stalls at 90

good, bad, I don't know
some educated advice would really be helpful ??? ???

Steve :)
Title: Re: EFI fuel pressure????
Post by: mrfuelish on October 03, 2005, 10:24:37 PM: I would think that would work, just mount it as close to the tank as possible and if you have a plastic fuel filter make sure it is on the sucktion side of the pump.
Title: Re: EFI fuel pressure????
Post by: sj416 nz on October 04, 2005, 04:31:39 AM: i got a 125psi fuel pump in my suzi but it is a bit over the top
around 45psi sounds about right the fuel regulator will be set a bit lower
Title: Re: EFI fuel pressure????
Post by: Rhinoman on October 04, 2005, 04:34:16 AM: IIRC 35 to 40 is quoted in the FSM as the regulated fuel pressure for the regulator. A 45psi pump should be OK, the surplus fuel will just go back to the tank.
Title: Re: EFI fuel pressure????
Post by: wildgoody on October 04, 2005, 08:45:28 AM: TBI is 36 PSI, I don't know if the
16V MPI is different
Title: Re: EFI fuel pressure????
Post by: DirtDevil on October 05, 2005, 08:31:34 AM: should work fine, im running a carter inline pump, puts out around 50 psi... if i remember correctly haha.. but ya, damn its noisy, sounds like an angry hornet
Title: Re: EFI fuel pressure????
Post by: prairie_dog on October 05, 2005, 10:08:22 PM: Thanks for the info, I'm renting the engine hoist Friday so with any luck the sami will be runn'n by Sunday, all HI TECH (EFI)

I know I'm a little red neck but I like stuff I can fix, can't rebuild an ECM on your tailgate ;D

Steve :)
Title: Re: EFI fuel pressure????
Post by: da_tub on October 06, 2005, 06:51:32 PM: you better make sure that beer fridge if full.. man ,, i know iwork for cheap.....neeed beer... thats at least a two case job!!!!!
Title: Re: EFI fuel pressure????
Post by: mrfuelish on October 06, 2005, 07:48:50 PM: Engine hoist for a zuk engine? drink more beer and let the air out of the front tires you can lift it out by hand!
Title: Re: EFI fuel pressure????
Post by: da_tub on October 06, 2005, 08:50:51 PM: i know hey... he's such a pretty boy some times[ 8)]
Title: Re: EFI fuel pressure????
Post by: prairie_dog on October 06, 2005, 09:45:50 PM: I put the new engine on the stand by hand, it's not that heavy but if you look at Zukipilot's poll on how tall the average zuki owner is I fall in the "stubby" catagory ;D ;D

The rental is only $25 a day so it should only cost me $12.50 right ;D

Will post pics when it's running, I painted almost everything & polished the TBI intake tube

Steve :)
PS maybe the little saying under my info will finally come true 8) 8) 8)
Title: Re: EFI fuel pressure????
Post by: zaggy on October 07, 2005, 07:16:31 AM: Shouldn't that old saying be...........

Stand back she'e gonna blow! (joking guys stay calm)

Zag
Title: Re: EFI fuel pressure????
Post by: darnold87 on October 07, 2005, 05:13:22 PM: I run a 1989 1.6L 8-valve in my samurai.Ã‚Â I used a NAPA fule pump part# TFP2P74028 (~$70).Ã‚Â This is same as AutoZone part# E2000 (~$99.99).Ã‚Â They say right on them: 90psi.Ã‚Â This is ok (even without a regulator) if you run your fuel return line (very important).Ã‚Â Good luck with everything!
ps - they're a bit noisy.Ã‚Â mount it in rubber and try not to mount it on the body, go for the frame.