SLP 85mm MAF
11-19-2001, 09:31 AM
#1
TECH Apprentice
Thread Starter
Join Date: Nov 2001
Location: Ottawa
Posts: 314
Likes: 0
Received 0 Likes
on
0 Posts
SLP 85mm MAF Anyone running this MAF? I'm thinking about it for my basically stock 2000 Z, as a slight improvement now and for building in the future so there are few air restrictions. Wondering if anyone has had any SES lights/lean/rich conditions?
Also gonna get the Direct Flo lid to go with the FRA and K&N I have.
Also gonna get the Direct Flo lid to go with the FRA and K&N I have.
11-19-2001, 09:36 AM
#2
Coal Mining Director
iTrader: (17)
Join Date: Nov 2001
Location: Virginia
Posts: 4,442
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF My SLP 85mm has the same calibration as my stock screened maf(Per autotap)....less airflow restriction but good calibration...good mod on my car.
11-19-2001, 10:14 AM
#3
Launching!
Join Date: Nov 2001
Location: Memphis, TN
Posts: 236
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF [quote]Originally posted by BBYZED:
<strong>Anyone running this MAF? I'm thinking about it for my basically stock 2000 Z, as a slight improvement now and for building in the future so there are few air restrictions. Wondering if anyone has had any SES lights/lean/rich conditions?
Also gonna get the Direct Flo lid to go with the FRA and K&N I have.</strong><hr></blockquote>
We have two versions now to address the different calibration needs, so you shouldn't get codes with the right MAF for your year -
23060 for 97-2000 LS1 (f/y body)
23062 for 01-02 LS1 (f body only)
<strong>Anyone running this MAF? I'm thinking about it for my basically stock 2000 Z, as a slight improvement now and for building in the future so there are few air restrictions. Wondering if anyone has had any SES lights/lean/rich conditions?
Also gonna get the Direct Flo lid to go with the FRA and K&N I have.</strong><hr></blockquote>
We have two versions now to address the different calibration needs, so you shouldn't get codes with the right MAF for your year -
23060 for 97-2000 LS1 (f/y body)
23062 for 01-02 LS1 (f body only)
11-19-2001, 01:37 PM
#4
TECH Apprentice
Join Date: Nov 2001
Location: Tucson, AZ
Posts: 356
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF Well... I bought the SLP MAF a couple weeks ago... put it in, no lean/rich conditions, seemed to run great. Took it to the dyno with my other mod being the YANK ST3500... I expected to lose a little power from the converter, but I dyno'ed with 10 less hp than with the stock MAF without converter... so I almost think the MAF didn't really do anything.
They screwed up my torque numbers and rpms on the chart so next Saturday I'll run another dyno (complain and get them to redo it) I kept my stock and a friend has the Granatelli so I'll do a match up and see which is really best.
Also... it may not be the same for every car... my friend tried the SLP in his car and when he took off it made a smoke screen, it was like Spy Hunter or something - I don't have any problems in my car, but I'm just wondering if the performance is there or not.
They screwed up my torque numbers and rpms on the chart so next Saturday I'll run another dyno (complain and get them to redo it) I kept my stock and a friend has the Granatelli so I'll do a match up and see which is really best.
Also... it may not be the same for every car... my friend tried the SLP in his car and when he took off it made a smoke screen, it was like Spy Hunter or something - I don't have any problems in my car, but I'm just wondering if the performance is there or not.
11-19-2001, 01:51 PM
#5
Launching!
Join Date: Nov 2001
Location: Memphis, TN
Posts: 236
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF [quote]Originally posted by monSSter1191:
<strong>Well... I bought the SLP MAF a couple weeks ago... put it in, no lean/rich conditions, seemed to run great. Took it to the dyno with my other mod being the YANK ST3500... I expected to lose a little power from the converter, but I dyno'ed with 10 less hp than with the stock MAF without converter... so I almost think the MAF didn't really do anything.
They screwed up my torque numbers and rpms on the chart so next Saturday I'll run another dyno (complain and get them to redo it) I kept my stock and a friend has the Granatelli so I'll do a match up and see which is really best.
Also... it may not be the same for every car... my friend tried the SLP in his car and when he took off it made a smoke screen, it was like Spy Hunter or something - I don't have any problems in my car, but I'm just wondering if the performance is there or not.</strong><hr></blockquote>
MAF swapping on the dyno is a mistake - since the calibrations vary between each, the PCM must have a chance (aka drive for a while) to 'learn' and adjust for each. Just for fun, disconnect the battery after a dyno pull and watch the next pull go to the toilet.
<strong>Well... I bought the SLP MAF a couple weeks ago... put it in, no lean/rich conditions, seemed to run great. Took it to the dyno with my other mod being the YANK ST3500... I expected to lose a little power from the converter, but I dyno'ed with 10 less hp than with the stock MAF without converter... so I almost think the MAF didn't really do anything.
They screwed up my torque numbers and rpms on the chart so next Saturday I'll run another dyno (complain and get them to redo it) I kept my stock and a friend has the Granatelli so I'll do a match up and see which is really best.
Also... it may not be the same for every car... my friend tried the SLP in his car and when he took off it made a smoke screen, it was like Spy Hunter or something - I don't have any problems in my car, but I'm just wondering if the performance is there or not.</strong><hr></blockquote>
MAF swapping on the dyno is a mistake - since the calibrations vary between each, the PCM must have a chance (aka drive for a while) to 'learn' and adjust for each. Just for fun, disconnect the battery after a dyno pull and watch the next pull go to the toilet.
11-19-2001, 01:53 PM
#6
TECH Apprentice
Thread Starter
Join Date: Nov 2001
Location: Ottawa
Posts: 314
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF I actually asked for it for Christmas, and Fasttoys.net has them 23060 so I should be fine (that is where I asked for it from and that was the part number that I need according to your post).
Someone on LS1.com mentioned PACE MAF, has anyone heard of this one? Where can I see it?
Someone on LS1.com mentioned PACE MAF, has anyone heard of this one? Where can I see it?
11-19-2001, 02:22 PM
#7
TECH Apprentice
Join Date: Nov 2001
Location: Tucson, AZ
Posts: 356
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF I disagree about the MAF swapping. I was on the dyno Saturday night and after I went a friend put his S10 up there, dyno'ed with the Granatelli, then swapped and saw a power increase from Granatelli to stock - apparently there was no re-learn needed.
Even so, if you do pull the fuses it re-learns in a matter of moments after it runs rough for about 30 seconds, simply give it a couple good revs and let it drive on the dyno for a minute or two then do the pull.
Even so, if you do pull the fuses it re-learns in a matter of moments after it runs rough for about 30 seconds, simply give it a couple good revs and let it drive on the dyno for a minute or two then do the pull.
Trending Topics
11-19-2001, 02:25 PM
#8
TECH Apprentice
Join Date: Nov 2001
Location: Tucson, AZ
Posts: 356
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF I'm also curious about the origins of the "SLP MAF" I think it's just a fancy name for the LS6 MAF... it's got an integrated air temperature sensor just like the Corvette MAF's and it's 85mm like the LS6 MAF... and you need the wiring harness to convert it to a 3-pin for us F-Body guys... so it's obviously a Corvette part.
I wouldn't doubt if the SLP and Pace MAF's were the same exact piece both *really* being an LS6 MAF with a little wiring harness.
[ November 19, 2001: Message edited by: monSSter1191 ]</p>
I wouldn't doubt if the SLP and Pace MAF's were the same exact piece both *really* being an LS6 MAF with a little wiring harness.
[ November 19, 2001: Message edited by: monSSter1191 ]</p>
11-19-2001, 02:47 PM
#9
Launching!
Join Date: Nov 2001
Location: Memphis, TN
Posts: 236
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF [quote]Originally posted by monSSter1191:
<strong>I disagree about the MAF swapping. I was on the dyno Saturday night and after I went a friend put his S10 up there, dyno'ed with the Granatelli, then swapped and saw a power increase from Granatelli to stock - apparently there was no re-learn needed.
Even so, if you do pull the fuses it re-learns in a matter of moments after it runs rough for about 30 seconds, simply give it a couple good revs and let it drive on the dyno for a minute or two then do the pull.</strong><hr></blockquote>
nope, same thing happened, just in a better direction <img src="images/icons/smile.gif" border="0"> .
When swapping MAFS, one of two things will happen: 1 the new MAF will result in slightly leaner condition, or 2 the new MAF will result in slightly richer condition.
The result on the dyno is in the case of the 'leaner MAF' is an increase in power, in the case of the 'richer MAF' a decrease in power (typically)
This is exactly why some claim gains, some claim losses.
If you really want to measure the diffence, baseline, then add the new MAF (could be GMAF, SLP, pace, ported, etc) and drive. After a week, get it back on the dyno and test. This is the best shot at quantifing the difference. (the only problem is that chassis dyno results vary with how hard a car is strapped down, how hot the engine is, etc - all of which can effect the results.)
<strong>I disagree about the MAF swapping. I was on the dyno Saturday night and after I went a friend put his S10 up there, dyno'ed with the Granatelli, then swapped and saw a power increase from Granatelli to stock - apparently there was no re-learn needed.
Even so, if you do pull the fuses it re-learns in a matter of moments after it runs rough for about 30 seconds, simply give it a couple good revs and let it drive on the dyno for a minute or two then do the pull.</strong><hr></blockquote>
nope, same thing happened, just in a better direction <img src="images/icons/smile.gif" border="0"> .
When swapping MAFS, one of two things will happen: 1 the new MAF will result in slightly leaner condition, or 2 the new MAF will result in slightly richer condition.
The result on the dyno is in the case of the 'leaner MAF' is an increase in power, in the case of the 'richer MAF' a decrease in power (typically)
This is exactly why some claim gains, some claim losses.
If you really want to measure the diffence, baseline, then add the new MAF (could be GMAF, SLP, pace, ported, etc) and drive. After a week, get it back on the dyno and test. This is the best shot at quantifing the difference. (the only problem is that chassis dyno results vary with how hard a car is strapped down, how hot the engine is, etc - all of which can effect the results.)
11-19-2001, 02:50 PM
#10
Launching!
Join Date: Nov 2001
Location: Memphis, TN
Posts: 236
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF [quote]Originally posted by monSSter1191:
<strong>I'm also curious about the origins of the "SLP MAF" I think it's just a fancy name for the LS6 MAF... it's got an integrated air temperature sensor just like the Corvette MAF's and it's 85mm like the LS6 MAF... and you need the wiring harness to convert it to a 3-pin for us F-Body guys... so it's obviously a Corvette part.
I wouldn't doubt if the SLP and Pace MAF's were the same exact piece both *really* being an LS6 MAF with a little wiring harness.
[ November 19, 2001: Message edited by: monSSter1191 ]</strong><hr></blockquote>
There are no secrets here - The SLP MAF IS the same body as the LS6 and truck MAFS -correct. Afterall, it is a nice piece! 85mm and composite, compared to 75mm and aluminum!
The only difference is the TUNING is changed to be correct / compatible with the f-body. Without tuning (or a true LS6 MAF), a stock LS6 / truck MAF WILL set codes. I am sure Pace's is an LS6 body too, but I don't think they have it tuned for 2001-2002 (I may be wrong), which is different from the 2000 and earlier (because of the LS6 intake standard on all LS1/LS6).
<img src="graemlins/fluffy.gif" border="0" alt="[Fluffy]" />
[ November 19, 2001: Message edited by: horsepower ]</p>
<strong>I'm also curious about the origins of the "SLP MAF" I think it's just a fancy name for the LS6 MAF... it's got an integrated air temperature sensor just like the Corvette MAF's and it's 85mm like the LS6 MAF... and you need the wiring harness to convert it to a 3-pin for us F-Body guys... so it's obviously a Corvette part.
I wouldn't doubt if the SLP and Pace MAF's were the same exact piece both *really* being an LS6 MAF with a little wiring harness.
[ November 19, 2001: Message edited by: monSSter1191 ]</strong><hr></blockquote>
There are no secrets here - The SLP MAF IS the same body as the LS6 and truck MAFS -correct. Afterall, it is a nice piece! 85mm and composite, compared to 75mm and aluminum!
The only difference is the TUNING is changed to be correct / compatible with the f-body. Without tuning (or a true LS6 MAF), a stock LS6 / truck MAF WILL set codes. I am sure Pace's is an LS6 body too, but I don't think they have it tuned for 2001-2002 (I may be wrong), which is different from the 2000 and earlier (because of the LS6 intake standard on all LS1/LS6).
<img src="graemlins/fluffy.gif" border="0" alt="[Fluffy]" />
[ November 19, 2001: Message edited by: horsepower ]</p>
11-19-2001, 08:45 PM
#11
Re: SLP 85mm MAF See sig for dyno results...bottom line my SLP MAF was worth about 6 rwhp and 6 rwtq. I belive the rest of the gain came from doing TR55 and free mod's before they dyno. I think it does lean out a tad. Mike Licht at Ramcharges said the stock MAF descreened works a little better with the MAFT than the SLP one does. My SLP worked with the MAFT fine for leaning out but was less consistance with adding fuel. SLP told me via phone their MAF added 3 degrees of timing but several people have told me they never see that in A-Tap. It looks neat, it helped my car make a little more hp and it's cheap so why not try it?
11-20-2001, 09:42 AM
#12
TECH Apprentice
Thread Starter
Join Date: Nov 2001
Location: Ottawa
Posts: 314
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF Response here has been more positive for the SLP than at LS1.com, I think I will stick with the SLP decision. It seems that SLP would have more testing/engineering experience for this as well. Even if it is just a Corvette MAF, is that really all that bad? <img src="images/icons/wink.gif" border="0"> Thanks for all your input!
11-20-2001, 05:02 PM
#14
On The Tree
Join Date: Nov 2001
Location: Fowlerville, MI
Posts: 103
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF I put mine on when the car was stock, and after repeated SES lights, took it off and sold it. The guy I sold it to said he hasn't had an SES with it yet, so who knows. I definitely didn't see any performance improvements with it. Just my opinion, but I think you'd be happier with an aftermarket shifter, lid, etc.
11-21-2001, 07:15 AM
#15
Launching!
Join Date: Nov 2001
Location: Memphis, TN
Posts: 236
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF [quote]Originally posted by MIC5EY:
<strong>horsepower... in other words, if I have a ls6 manifold on my 98 ls1, I should use the newer number SLP maf ?
Mickey</strong><hr></blockquote>
no - stick with the CORRECT one for the year car/PCM you run. The MAF tuning has to be in sinc with the PCM tuning - this is based on the year.
You'll notice, GM didnt change the MAF on the f-body to go with the LS6 intake in 01, they just adjusted the MAF tables. The SLP MAF is tuned to the PCM MAF tables.
<strong>horsepower... in other words, if I have a ls6 manifold on my 98 ls1, I should use the newer number SLP maf ?
Mickey</strong><hr></blockquote>
no - stick with the CORRECT one for the year car/PCM you run. The MAF tuning has to be in sinc with the PCM tuning - this is based on the year.
You'll notice, GM didnt change the MAF on the f-body to go with the LS6 intake in 01, they just adjusted the MAF tables. The SLP MAF is tuned to the PCM MAF tables.
11-21-2001, 06:19 PM
#16
Launching!
Join Date: Nov 2001
Location: Brick , NJ
Posts: 210
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF Thanks, HP , I've had one sitting here for months now, but didn't want to " upset the applecart " . I'm going to try it with a smooth bellows now.
Mickey
98 Black Z28 6M
370" MORE LS1
10.99 @ 124.53 ......NA
Mickey
98 Black Z28 6M
370" MORE LS1
10.99 @ 124.53 ......NA
11-22-2001, 11:49 PM
#18
Launching!
iTrader: (2)
Join Date: Nov 2001
Location: Brownsburg, Indiana
Posts: 226
Likes: 0
Received 0 Likes
on
0 Posts
Re: SLP 85mm MAF HORSEPOWER: Sorry to bug you about this here instead of on the SLP site, but my question fits this thread, so...
I bought a used SLP 85mm MAF from a guy on the SLP Classifieds forum. He had it on his 2000 SS. My car is a 2001. Is there a way to tell which part number I have? I've driven the car with this MAF for about 1500 miles (and even a few dragstrip passes) with no problems & no SES lights. Could I send it back to SLP for the correct "tuning"? Or will it most likely be fine the way it is? TIA.
I bought a used SLP 85mm MAF from a guy on the SLP Classifieds forum. He had it on his 2000 SS. My car is a 2001. Is there a way to tell which part number I have? I've driven the car with this MAF for about 1500 miles (and even a few dragstrip passes) with no problems & no SES lights. Could I send it back to SLP for the correct "tuning"? Or will it most likely be fine the way it is? TIA.
