LS1TECH - Camaro and Firebird Forum Discussion

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-   Generation III External Engine (https://ls1tech.com/forums/generation-iii-external-engine-6/)
-   -   I've got to know about your MAF! (https://ls1tech.com/forums/generation-iii-external-engine/925452-ive-got-know-about-your-maf.html)

DRGnFLYZ28 May 23, 2008 07:57 AM

I've got to know about your MAF!
 
Feel free to give some feedback too :nod:

LiquidFire350 May 23, 2008 08:57 AM

havent touched it, but when i get around to getting a larger intake manifold, im debating going with a larger lid/maf to reduce restriction in the flow path

DRGnFLYZ28 May 23, 2008 10:31 AM


Originally Posted by EvoWake (Post 9418882)
stock maf has been good to 500hp in many instances.. i removed the screen and called it a day. never had any issues.

That's what I did.
I ran some composite MAF ends and it yielded some nice SOTP gains, especially low end but it idled like crap. Put the stocker back in sans screen.
That's on my 02, my old 99 loved them.

stevegrizzle May 23, 2008 10:35 AM

SD for teh win, my a/f is totally flat :) 12.9 across

Viper May 23, 2008 02:03 PM

SD here, runs great. Takes a little longer to tune over the MAF.

JBIRD02 May 23, 2008 02:17 PM

I'm running a descreened stocker right now. When the heads go on in a few months, I'll be dumping the maf and going SD! :D

YellowToy/A May 23, 2008 03:18 PM

85 mm truck maf ported. If you replace the maf get a tune.

slow May 23, 2008 03:32 PM

GMS 85mm maf, I paid $10 for it, and then tuned it to get the airfuel correct.

no idea of gains, my stocker was messed up, so i replaced it. (I do have a new stocker I want to test with, to see if there was any gains on the gms piece (assuming no))

Ryan

Viper May 23, 2008 04:18 PM

I've got a screen less stocker if anyone needs one, $40 plus shipping.

JBIRD02 May 23, 2008 07:46 PM


Originally Posted by YellowToy/A (Post 9420663)
85 mm truck maf ported. If you replace the maf get a tune.

Good advice there! :nod: Messing with the maf usually throws off a lot of the tables in the tune.

TLewis4095 May 23, 2008 07:52 PM


Originally Posted by stevegrizzle (Post 9419282)
SD for teh win, my a/f is totally flat :) 12.9 across

I agree. For high HP builds we do SD. :thumb:

TORCHD 02 TA May 23, 2008 07:55 PM


Originally Posted by EvoWake (Post 9418882)
stock maf has been good to 500hp in many instances.. i removed the screen and called it a day. never had any issues.


:nod:

Mike@ZMS May 23, 2008 11:07 PM

I have the 85mm truck maf with a corresponding tune. Main reason was the desire to have the IAT incorporated with the MAF. Also if I end up stepping up to a FAST intake, I would like to not have any flow restrictions in the intake tract.

stevegrizzle May 24, 2008 10:12 AM


Originally Posted by TLewis4095 (Post 9422146)
I agree. For high HP builds we do SD. :thumb:

My SD tune is on a bolt on car. But hey I got efi live and free time :)

Put down 355 sae to the wheels with just lt's and a cutout. (This it thru a ls1 intake still)

95 Z28 May 27, 2008 09:04 AM

I'm rockin' a stocker with !screen. Works fine, tuned fine.

5301113 May 27, 2008 09:51 AM

Stock MAF Untouched here with my predator tune it works the best. Messing with my MAF just causes problems for me.

DRGnFLYZ28 May 27, 2008 11:14 AM

I'm amazed to see how many of you have left it alone... not even !screen :)

LiquidFire350 May 27, 2008 11:20 AM


Originally Posted by DRGnFLYZ28 (Post 9440939)
I'm amazed to see how many of you have left it alone... not even !screen :)

i remember reading things about automatics having shifting issues once you took the screen out, manuals were fine tho. i figured i have an auto im not even gonna mess with it.

however my dad has a 98 z28 with a descreened stock maf and auto, and hes got no problems with it.

so i dont know what would happen, i just took the safe route and left it alone

navyblueSS May 27, 2008 12:35 PM

Descreened stock maf here.

5301113 May 27, 2008 12:58 PM


Originally Posted by LiquidFire350 (Post 9440976)
i remember reading things about automatics having shifting issues once you took the screen out, manuals were fine tho. i figured i have an auto im not even gonna mess with it.

however my dad has a 98 z28 with a descreened stock maf and auto, and hes got no problems with it.

so i dont know what would happen, i just took the safe route and left it alone


I have read so many forums about the MAF's and so many ppl having or had problems with them after missing with them. I dont think it's worth the headaches so i agree take the safe route and leave it alone


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