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M35 Info

Brazen

By Brazen,
in Four Door Family & Wagoneers

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nickcorr
nickcorr

Skyline Registrations in Japan: Bodystyle/Engine 3.7 Coupe 2.5 Sedan 3.5 Sedan 3.7 Sedan 3.7 SUV________Total Market cars... 09_____________983_______3,398______20_______860_____1,601_________

andy65b
andy65b

Not a bad result..

And
And

Ok, guys from Moscow approached me today. They have a "demo" version ready, now they need a brave person in Perth who's got a car DVD based Xanai unit (M35 Stagea or Skyline up to 2005). This gotta

Posted Images

ironpaw Veteran

ironpaw

Posted
Posted

I never ran the single Walbro (I modified the pump housing to fit a Tomei gtr pump) because I listened to the heresay in the forced induction section. I have since changed my tune with regards to them. For all but the highest pressure setups Walbro's work and fit perfectly. Any more flow will require a complete fuel system upgrade.

Save your cash and time and fit what works, but you will still need to rewire the power to the pump with a relay.

I think Cam was hoping to save a buck and run the factory pump. Of course if it cant supply the fuel he needs there will be another tune on the cards which will negate any savings.

I don't think we did this on mine. Seems to be running ok? Am I going to hit fuel cut down the track?

iamhe77 Grand Master

iamhe77

Posted
Posted

I think Cam was hoping to save a buck and run the factory pump. Of course if it cant supply the fuel he needs there will be another tune on the cards which will negate any savings.

Actually no, I wanted to see what we could get out of a plug and play ECU with stock fuelling.

Jetwreck Grand Master

Jetwreck

Posted
Posted (edited)

I'm thinking slightly differently and thinking I should do injectors and fuel pump before the tune.

Is the pump body in the M35 the same as the V35/G35/350Z?

The filter is the same....the body ain't....we have a return system.

Not a bad idea to do injectors and fuel pump first....IMO there is no way you will max out the standard fuel system with the stock turbo/boost even with dump exhaust and SP ect!

Edited by Jetwreck
bigkevracer Grand Master

bigkevracer

Posted
Posted

The filter is the same....the body ain't....we have a return system.

Not a bad idea to do injectors and fuel pump first....IMO there is no way you will max out the standard fuel system with the stock turbo/boost even with dump exhaust and SP ect!

Probably, but my plan is to get the supporting mods in place then do the turbo. But if it can be tuned to stop maxing out the injectors at least i know i dont have to hurry.

Is our pump body the same as anything?

bigkevracer Grand Master

bigkevracer

Posted
Posted

Just curious. Thanks for the info.

Where did you get your injectors from Scotty? Much difficulty making them fit? (I gather the Xspurt's aren't drop in, where as the Deschworks are).

scotty nm35 Grand Master

scotty nm35

Posted
Posted

I havent tried them, only the newer Bosch/ID/Xspurts are going to give you the smooth idle though. Be wary of other large injectors. I think I can get the Xspurts for around $100 each from the wholesaler, Injectors online.

Dunc Mentor

Dunc

Posted
Posted

I havent tried them, only the newer Bosch/ID/Xspurts are going to give you the smooth idle though. Be wary of other large injectors. I think I can get the Xspurts for around $100 each from the wholesaler, Injectors online.

Any reason you went from ID's to Xspurts?

scotty nm35 Grand Master

scotty nm35

Posted
Posted

They are the same thing, all based off bosch bodys and flow matched apparently. Mine idles better now than with the 610's in the rail. They drop in if you remove the spacers but you will have to wire/crimp the new plugs in.

scotty nm35 Grand Master

scotty nm35

Posted
Posted

Ryan, looking at this pump the sock pickup is the same as Walbro, as is the power plug. Perhaps this deatschwerks IS going to fit ok... Buy it and try?

http://www.skylinesaustralia.com/forums/topic/379042-deatschwerks-300lph-fuel-pump/

Commsman Veteran

Commsman

Posted
Posted

Another (interim) option is to replace the stock pressure reg with an adjustable one. I bought one for $60 & put it in today. The OEM pump is now supplying more fuel courtesy of higher pressures & I had to back the AFR's off a fair bit across the mid range. And at the top end they look pretty good now instead of a bit lean.

I haven't had enough time to tune it properly, but looking very promising so far.

bigkevracer Grand Master

bigkevracer

Posted
Posted

Ryan, looking at this pump the sock pickup is the same as Walbro, as is the power plug. Perhaps this deatschwerks IS going to fit ok... Buy it and try?

http://www.skylinesaustralia.com/forums/topic/379042-deatschwerks-300lph-fuel-pump/

Cheers Scotty. Thats what I was thinking, it looks the same as the Walbro, so does the Aeromotive, hence the question. Might organise that shortly.

Are the $60 ebay FPRs any good or do you need to spend the couple of hundred to get a Sard etc?

Commsman Veteran

Commsman

Posted
Posted (edited)

Be careful running much higher than stock pressure, the pump flows less and will only supply a dribble at over 80psi. What boost are you running?

Stock boost atm. Static pressure is about 52psi, but it's a rising rate FPR so should increase to about 65psi at my current boost level. I won't up the boost to more than about 16psi anyway, so this setup with stock pump & injectors could do me until I need a new turbo (providing AFR's are able to adjusted to cope with the extra 3 psi when the time comes).

Edited by Commsman
Commsman Veteran

Commsman

Posted
Posted (edited)

Are the $60 ebay FPRs any good or do you need to spend the couple of hundred to get a Sard etc?

Sard would be better I think, but I didn't really know if this would work out as good as it did, so I didn't want an expensive item sitting in the shed unused. Having said that, I was impressed with the feel of mine, very solidly cut from billet aluminium. The hose clamps were crap tho...

You don't always need to buy name brands to achieve a good result.... and sometimes you do. It's just knowing when :happy:

.

Edited by Commsman
scotty nm35 Grand Master

scotty nm35

Posted
Posted

There's a heap of fake sard regs around so be careful. I'm using an SX reg and it's been fine.

Rising rate regs usually increase the fuel pressure double the boost so you could be up there, do you have a gauge in the dash?

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