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Upgrade the MAF to 85mm is it wrth it?

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Old 05-18-2012, 04:31 PM
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Originally Posted by thunderstruck507
Weren't there 2 different z06 MAFs? I think the earlier years used a different one.
But I looked at it and ur rite I think I will need a adapter what abt maf housing? How can I get it descreen?
Old 05-18-2012, 04:33 PM
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Is he not selling you the entire MAF? Usually it comes with the ends on it. All you should need is the adapter harness.
Old 05-18-2012, 04:38 PM
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Big Mike is correct, you want the whole assembly and as far as descreening it goes that is a mixed topic. But I left my screen in, in fact that was the whole reason I upgraded. I decided to get a larger maf than descreen the stock one because without the screen the air is too turbulent for the MAF to read properly unless you have a very good straight intake path.

My car does not, but a lot of people seem to have no trouble on f bodies. Your call there.
Old 05-18-2012, 05:03 PM
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Originally Posted by BIG_MIKE2005
Is he not selling you the entire MAF? Usually it comes with the ends on it. All you should need is the adapter harness.
Yea he's just selling the maf with out the housing so I dnt knw if I'm gona need a bigger housing and I dropped it to 45 lol buts its a delphi GM and really descreening does not help the fow I tought that by removing the screen the air flow
Old 08-20-2012, 07:12 PM
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Just to rez the thread, I put on an 85mm MAF this weekend.

Cost was $50 on ebay and $29 for auto wiring solution's adapter harness.

Tunability was far easier than anyone here makes it out to be. The instructions for MAF dial in are found on HP Tuners/PCM Tuning sub forum here.

It also had the benefit of solving my warm start/ac/defroster issue. The car "feels" smoother now.
Old 08-20-2012, 07:40 PM
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i have a 85mm z06 maf forsale with the adapter. Shoot me an offer if interested.
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Old 08-21-2012, 08:40 AM
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Originally Posted by SladeX
Tunability was far easier than anyone here makes it out to be. The instructions for MAF dial in are found on HP Tuners/PCM Tuning sub forum here.
It's not that it's difficult, it's the fact a lot of people do not have access to the software or the knowledge to use it.


So far I still have no complaints with my sensor. I also upgraded the screen to an aftermarket larger mesh one. But so far my track results continue to show no improvement. I would not recommend this upgrade to anyone with a working stock MAF on a car not making past the 450rwhp mark unless it's a killer deal.
Old 08-21-2012, 12:17 PM
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i mean what is done with your car? it all depemds on whats done to your car
Old 08-21-2012, 01:37 PM
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mild ported 799 heads (same design as 243 ls6 heads), 230/238 cam, fast 90mm intake, and full bolt ons

IMO it seems it would take a badass heads/cam combo to really see a worthwhile gain (more than standard dyno variance pull to pull)
Old 08-21-2012, 02:00 PM
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I can think of a hand full of ls1 bolt ons that are a waste of money and that is one of them.
Old 08-21-2012, 02:42 PM
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01 and up c5s also have 85mm MAFs. Not taking sides. But GM went with a 85mm 01 and up for some reason. I desrceened mine. Cam etc, good tune. Perfect idle and no drivabilty issues at all. Also ran fine when my car was bone stock.
Old 08-31-2012, 07:10 PM
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There is a wrecked camaro at the junk yard I always go to and it has a Delphi 85mm with a smooth bellow and all adapters for 100 bucks is that a good deal?
Old 09-02-2012, 03:57 PM
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It's not bad low ball their ***.... U can port ur current maf, very easy ....Look it up on yahoo
Old 09-04-2012, 06:55 PM
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Originally Posted by BrntWS6
Wasting money.....don't worry about it unless some day you go with a FAST setup.
^^this
Old 09-06-2012, 09:52 PM
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Default MAF's

It is only worth upgrading if your motor has reached the power point where the MAF has become a restriction (maxing out the MAF). If that has not happened, there will be no power gained.

If you upgrade the MAF to an 85mm version, you will want to upgrade to the FT 98mm Air lid so you do not have to use a reducer.

If you don't want to buy an 85mm MAF and want some extra flow potential, you can buy our ported MAFS ends which have a larger internal volume and no screens. You usually will need to tune the ECU after this to achieve the proper A/F ratio. Some cars that run a little rich from the factor at WOT will actually see a power gain from Ported MAF ends with no tune as it tends to lean out the A/F ratio.



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