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 Post subject: 85mm MAF?
PostPosted: Mon Apr 17, 2006 3:38 pm 
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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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PostPosted: Tue Apr 18, 2006 8:57 pm 
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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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PostPosted: Tue Apr 18, 2006 10:01 pm 
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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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PostPosted: Mon May 01, 2006 7:09 pm 
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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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PostPosted: Sun Jul 09, 2006 12:59 pm 
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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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PostPosted: Sun Jul 09, 2006 2:07 pm 
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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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PostPosted: Mon Jul 10, 2006 8:27 am 
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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.

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