2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

MAF swap?

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Old 11-22-2009, 08:10 PM
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MAF swap?

ok so i was thinking our maf sucks. this stupid rectangle bull **** dosent cut it for me.

so i was thinking would it be possible to swap in a say ls1 maf sensor? they flow much more fluid and you would be able to run a blow through turbo set up perfectly with this

do you guys think this is possible?

heres what im talking about
Old 11-22-2009, 08:17 PM
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assuming you could get one in the right side, you pin the connector properly and you tune for it i can't see why not. anything is possible just depends on how far you want to take it.
Old 11-22-2009, 08:24 PM
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yea repinnig as well as tune was a given but i dont know what voltage out maf runs off of.
Old 11-23-2009, 03:26 PM
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Old 11-23-2009, 03:28 PM
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test with multimeter?
Old 11-23-2009, 03:46 PM
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Originally Posted by nhanson
test with multimeter?
ehh. someone will chime in im pretty sure is a 0-5 volt maf what we use.


i have heard some people already swaped the ls4 tb in with almost no change in results? what gives?
Old 11-24-2009, 01:36 AM
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ls4 tb doesn't make a diffrence on the lsj...it's being a potted and polished ls4 that makes the difference. And I'm sure Vince knows what the voltage is
Old 11-24-2009, 04:07 AM
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Originally Posted by ilovecars
ok so i was thinking our maf sucks. this stupid rectangle bull **** dosent cut it for me.

so i was thinking would it be possible to swap in a say ls1 maf sensor? they flow much more fluid and you would be able to run a blow through turbo set up perfectly with this

do you guys think this is possible?

heres what im talking about
just an FYI, you would be downgrading. You're talking about removing the MAF thats used in the LS7 and putting in the MAF thats used in the LS1?

Originally Posted by ilovecars
ehh. someone will chime in im pretty sure is a 0-5 volt maf what we use.


i have heard some people already swaped the ls4 tb in with almost no change in results? what gives?
most GM MAFs (including LSx MAFs and our MAFs) are frequency based, and not voltage based.

Originally Posted by Jn2
ls4 tb doesn't make a diffrence on the lsj...it's being a potted and polished ls4 that makes the difference. And I'm sure Vince knows what the voltage is
neither makes a difference. What makes a difference is when you're making 300whp and the stock TB becomes a restriction. Its a long ways down the list of restrictions though.

Last edited by HunterKiller89; 11-24-2009 at 04:07 AM. Reason: Automerged Doublepost
Old 11-24-2009, 10:23 AM
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iirc i thought having a bigger TB when it is not needed only created the air to be inducted at a slower velocity, therefore not making any significant difference.

i could be wrong.
Old 11-25-2009, 12:45 AM
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Originally Posted by blackbolt89
iirc i thought having a bigger TB when it is not needed only created the air to be inducted at a slower velocity, therefore not making any significant difference.

i could be wrong.
troof. Though, with the SC there, most of the piping pre-blower doesnt need to maintain velocity...just enough flow. So it wont hurt..but the stocker flows well enough that it wont help either
Old 11-25-2009, 12:33 PM
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Originally Posted by HunterKiller89
troof. Though, with the SC there, most of the piping pre-blower doesnt need to maintain velocity...just enough flow. So it wont hurt..but the stocker flows well enough that it wont help either
well yeah that's true as well. i just figured that since this was the L61 forum i would throw some input about big ass TB's on n/a cars.

but i have also heard that the LS4 TB doesn't make that much more power on the LSJ's.

iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiidk though
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