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[ 7 posts ] |
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RTZSS
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Post subject: 85mm MAF?  Posted: Mon Apr 17, 2006 3:38 pm |
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Joined: Sat Nov 23, 2002 11:45 pm
Posts: 829
Location: Stuttgart, Germany
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Just curious, how much does changing from a 75mm to an 85mm MAF effect fuel economy, if any?
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ringram
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Post subject: Posted: Tue Apr 18, 2006 8:57 pm |
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Joined: Sat Nov 12, 2005 11:36 am
Posts: 51
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If its tuned properly to begin with and tune properly after the change, you will notice no difference.
The 85mm maf will flow more air, other than that, nil.
_________________
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efilive distributor for europe
richard(at)efilive.eu www.efilive.eu
2007 HSV R8 Clubsport LS2 M6, 7.2L, WCCH 400cfm LS7, Comp 227/243-113, Darton Block, Callies, Diamond, ACT Twinplate, 605ftlb, 625bhp
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RTZSS
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Post subject: Posted: Tue Apr 18, 2006 10:01 pm |
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Joined: Sat Nov 23, 2002 11:45 pm
Posts: 829
Location: Stuttgart, Germany
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Thanks for the input. My car seem to run richer after putting the SLP MAF on. I swapped it back to the factory one yesterday to see what it does.
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ringram
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Post subject: Posted: Mon May 01, 2006 7:09 pm |
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Joined: Sat Nov 12, 2005 11:36 am
Posts: 51
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Often with a replacement maf you will need to recalibrate the maf table in the pcm so that it reads the correct amount of air at each point.
_________________
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efilive distributor for europe
richard(at)efilive.eu www.efilive.eu
2007 HSV R8 Clubsport LS2 M6, 7.2L, WCCH 400cfm LS7, Comp 227/243-113, Darton Block, Callies, Diamond, ACT Twinplate, 605ftlb, 625bhp
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Kenkaru
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Post subject: Posted: Sun Jul 09, 2006 12:59 pm |
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Joined: Mon Aug 22, 2005 12:57 am
Posts: 52
Location: Mannheim
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Don't do it!!
It will just screw your tune up.
MAF's and MAF ends are widely considered to be "newbie mistakes".
Visit LS1tech.com for more info.
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98 Silver Formula M6 AIR!/EGR!, Hotcam, PacesetterLTs, 4"mufflex+spintech, short stick, specIII, drill mod, BMR LCAs, Spohn PHB, BMR torqarm, ChromeZR1's, T/A Wing
+some nice stuff in the mail
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ringram
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Post subject: Posted: Sun Jul 09, 2006 2:07 pm |
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Joined: Sat Nov 12, 2005 11:36 am
Posts: 51
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I think you mean blindly installing an untuned maf is a newbie mistake. A properly tuned 85mm maf will give you more power than the stocky. Plenty of threads on ls1tech.com tuning forum with interesting info in them.
_________________
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efilive distributor for europe
richard(at)efilive.eu www.efilive.eu
2007 HSV R8 Clubsport LS2 M6, 7.2L, WCCH 400cfm LS7, Comp 227/243-113, Darton Block, Callies, Diamond, ACT Twinplate, 605ftlb, 625bhp
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NXZ28
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Post subject: Posted: Mon Jul 10, 2006 8:27 am |
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Joined: Wed May 05, 2004 7:13 am
Posts: 706
Location: Vilseck
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Don't waste you time or money changing the MAF to an 85mm unless you have ported heads, big cam, and larger intake and throttle body. Just my 2 cents.
_________________
2002 Camaro Z28
416 Stroker
AFR, Comp Cam Solid Roller, Currie 9", Super Victor, 4500 TB, TH350, T&D Rockers, 50# Injectors
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