85 mm MAF Sensors, Do they work?
05-14-2003, 11:23 AM
#1
85 mm MAF Sensors, Do they work? I currently have a FTRA and a LS1 Motorsports High Flow Lid. Im a little skeptical and I've held out as long as possible on the 85mm MAF sensor mod. Can anyone out there tell me what kind of results they have experienced with this mod? I dont buy into the manufactuters 18hp incease claim from a ZO6 85mm MAF sensor
. Help please.
. Help please. 
05-14-2003, 12:13 PM
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Re: 85 mm MAF Sensors, Do they work? I read the boards for 1 to 2 hrs a day, and most 01 and 02's just dont like the 85mm maf, the older ones seem to gain from it, seeing I could lean out and hurt my motor with one, until I am pushing over 400 rwhp, I am staying away from them, and seeing all I have left on my want list is a ls6 cam and headers after ext warrent, I dont think I will ever see 400
05-15-2003, 02:44 AM
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Re: 85 mm MAF Sensors, Do they work? I gain absolutly nothing when I swap my SLP85mm for my home ported stocker at the track. None, nada, zip, zilch or anything else. I wasted 130 bucks.
Keep in mind, that this comparison is a 85mm vs a ported stocker. Maybe if the stocker was "stock" I might have gained something. Also, my car is pretty much stock-lid,the SLP Mass Air, U.D. Pulley and 4.10 gears. Once again, if it had a cam and a set of ported heads-it might help.
Keep in mind, that this comparison is a 85mm vs a ported stocker. Maybe if the stocker was "stock" I might have gained something. Also, my car is pretty much stock-lid,the SLP Mass Air, U.D. Pulley and 4.10 gears. Once again, if it had a cam and a set of ported heads-it might help.
05-15-2003, 03:13 AM
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Re: 85 mm MAF Sensors, Do they work? now i have heard that my 98 may like this mod alot and the newer ones may not..let me know cuz i am intersted in buying this if indeed my 98 will respond
05-15-2003, 07:23 AM
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Re: 85 mm MAF Sensors, Do they work? maybe the difference in the model years is the intake? the 01 --02 with the ls6 intake are flowing higher than the earlier years. so with that on a stock motor... maybe its at the air level it needs. and the older years without an ls6 intake it help make up for some of its lacking? just a guess but it kinda makes sense huh?
05-15-2003, 08:41 AM
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Re: 85 mm MAF Sensors, Do they work? I have an SLP 85mm MAF and it made no difference
around town (the tuning seems right on). As far
as airflow, all I have to go on is MAP readings
and these are 14.2-14.3 at WOT 6000RPM.
I strongly believe that most horsepower gain from
MAF swaps, on otherwise-stock cars, come from the
mixture error and not the airflow. Since the
model year "bins" (98-99, 00, 01-02) have mixture
calibrations that are different, they respond
differently to MAF swaps (when the MAF is non-
stock-calibrated).
The SLP MAF put my WOT mixture right where it
should be and with the Predator I can put O2
volts to 940mV at the high end, to 890mV at
no-extra-power-enrichment. If that's not sitting
dead on the sweet spot, what is?
This is a proper-year SLP MAF on an '02. Have
seen others gripe about SLP MAF results but it's
all good on mine.
around town (the tuning seems right on). As far
as airflow, all I have to go on is MAP readings
and these are 14.2-14.3 at WOT 6000RPM.
I strongly believe that most horsepower gain from
MAF swaps, on otherwise-stock cars, come from the
mixture error and not the airflow. Since the
model year "bins" (98-99, 00, 01-02) have mixture
calibrations that are different, they respond
differently to MAF swaps (when the MAF is non-
stock-calibrated).
The SLP MAF put my WOT mixture right where it
should be and with the Predator I can put O2
volts to 940mV at the high end, to 890mV at
no-extra-power-enrichment. If that's not sitting
dead on the sweet spot, what is?
This is a proper-year SLP MAF on an '02. Have
seen others gripe about SLP MAF results but it's
all good on mine.
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05-15-2003, 09:10 AM
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Re: 85 mm MAF Sensors, Do they work?
I have an SLP 85mm MAF and it made no difference
around town (the tuning seems right on). As far
as airflow, all I have to go on is MAP readings
and these are 14.2-14.3 at WOT 6000RPM.
I strongly believe that most horsepower gain from
MAF swaps, on otherwise-stock cars, come from the
mixture error and not the airflow. Since the
model year "bins" (98-99, 00, 01-02) have mixture
calibrations that are different, they respond
differently to MAF swaps (when the MAF is non-
stock-calibrated).
The SLP MAF put my WOT mixture right where it
should be and with the Predator I can put O2
volts to 940mV at the high end, to 890mV at
no-extra-power-enrichment. If that's not sitting
dead on the sweet spot, what is?
This is a proper-year SLP MAF on an '02. Have
seen others gripe about SLP MAF results but it's
all good on mine.
around town (the tuning seems right on). As far
as airflow, all I have to go on is MAP readings
and these are 14.2-14.3 at WOT 6000RPM.
I strongly believe that most horsepower gain from
MAF swaps, on otherwise-stock cars, come from the
mixture error and not the airflow. Since the
model year "bins" (98-99, 00, 01-02) have mixture
calibrations that are different, they respond
differently to MAF swaps (when the MAF is non-
stock-calibrated).
The SLP MAF put my WOT mixture right where it
should be and with the Predator I can put O2
volts to 940mV at the high end, to 890mV at
no-extra-power-enrichment. If that's not sitting
dead on the sweet spot, what is?
This is a proper-year SLP MAF on an '02. Have
seen others gripe about SLP MAF results but it's
all good on mine.
I know you are playing with your predator as much as I am, sounds like you are coming along just great, did you do the slp maf before or after the predator??. Pm me sometime with your current settings readings it would be nice to have some numbers to compare on a very sim car. Thanks,
Pete
