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06-05-2008, 06:39 PM
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Banned
Join Date: Sep 2007
Posts: 855
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Hi can someone tell me what upgrading your mass air flow sensor does? and is it a good mod? thinking of upgrading my maf from au 2 xr8 58 mm to ford 70mm...
Can someone tell me if its worth while? and what will it actually do? any gains? cheers peter |
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06-05-2008, 07:04 PM
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FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Adelaide
Posts: 3,103
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The MAF in an AU is already 70mm.
__________________
Current Rides: 2012 KK Jeep Cherokee Limited CRD - Still going strong 2019 MG ZS Essence 1988 RD Mitsubishi Colt GL - 59kW of Fury 2022 Kia Stinger GT |
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06-05-2008, 07:50 PM
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not here much anymore
Join Date: Dec 2004
Location: Sthn NSW
Posts: 22,918
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peter
going to get you to start a build thread in the right forum and ask all your questions there, one thread a day is pushing it! :hihi:
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2024 F150 XLT
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02-02-2013, 11:44 AM
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Starter Motor
Join Date: Oct 2011
Location: Sydney
Posts: 29
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I have a AU111 XR8 ute & was thinking of fitting a 90mm lightening Maf to it should I swop the sensors over & use the original one in the 90mm housing as it is for a later motor, I have fitted a Tickford 70mm T/B & MSD coil pack already
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02-02-2013, 09:52 PM
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Banned
Join Date: Dec 2007
Posts: 3,290
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are you doing anything else to the engine later down the track? as the maf you have now would flow more then enough air and upgrading it then getting a tune to suit would be expensive for little gain.
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03-02-2013, 05:54 PM
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#6 | ||
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Starter Motor
Join Date: Oct 2011
Location: Sydney
Posts: 29
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not at this stage it has got a 3" single sports exhaust system, I did fit the lightening Maf & it idled & drove fine until i put my foot down so I reinstated the original Maf. I wondered if i should swap the sensors & put the XR8 one in the lightening body if that would improve it at all, I really liked the deep throaty sound it made with the lightening housing fitted. Also i was thinking of a J3 chip or a sniper tune but don,t know which way to go never had to tune a computer managed motor before, had it on Dyno at CV Performance & it runs very rich at 110kw the AFR dove from 14.5 down to 10 on the ARF scale
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04-02-2013, 08:22 PM
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#7 | ||
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5.6L x 2 pilot
  
Join Date: Dec 2009
Location: Canbra
Posts: 15,052
 
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I suggest that you stop this train of thought right now. You are running the risk of running your engine extremely lean. Changing the MAF alone will not give you any performance enhancement. It is purley a measuring device, that if changed, needs to be changed in the tune. The only reason to go to a 90mm MAF would be if you need that diameter for an engine that needs to consume that much air. I highly doubt a 5L AU XR8 would ever exceed the need for bigger than stock.
Stu P.S Thread mining (reviving old threads) tends to be frowned upon on this site. If you have a question please post a new thread. Not sure why, but that is the way it is?
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2002 AU II LTD 5.6L 342ci T3 Short, AFR165 heads, Comp XE270HR-12 Cam, Brembo 4/4s(355/330), T3 5 spokes, LC-1 wideband, Whiteline HD swaybars, TCE 3K Hi Stall, PWR Auto Trans Cooler, Koni shocks, King Low Springs, Hurricane headers, 100 cpsi cats, Twin 2.5" exhaust. Quarter Mile: 13.73 @ 105.86mph Runner Up NA/DA to BF Fairlane/LTD Geelong AFD 2024  2002 XR8 pursuit 250 Custom twin 2.5" exhaust w Herrod modifed extractors, Tuned with Moates QH
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05-02-2013, 06:53 AM
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Starter Motor
Join Date: Oct 2011
Location: Sydney
Posts: 29
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Thanks for your reply & advise I,m new at this forum stuff & am really not shore what I,m doing from now on I,ll use a new post after i work out how to do so !
Cheers Jon 
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13-09-2016, 05:12 PM
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EB SXR8 347
Join Date: Apr 2013
Posts: 21
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who can tell me where i can get a 90mm lightening maf calibrated for 42 pound injectors for my 347
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13-09-2016, 07:23 PM
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FF.Com.Au Hardcore
Join Date: Dec 2004
Location: Perth NoR
Posts: 5,971
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Quote:
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Upgrade your MAF in au xr8?
Re: Upgrade your MAF in au xr8?
Linear Mode
