MAF question
Thread Starter
Burning Brakes
Joined: Oct 2013
Posts: 942
Likes: 11
MAF question
I am going from FI to NA and need to buy a CAI and MAF. I am only shooting for 500ish rwhp. My question is do I just get a stock ls2 MAF with a good CAI (open to suggestions) or something like a LPE, ABACO, etc MAF?
Note that I have ported ls3 heads, TB and intake. Custom cam, 1 7/8 LTH w/ no cats
thanks
Note that I have ported ls3 heads, TB and intake. Custom cam, 1 7/8 LTH w/ no cats
thanks
Race Director
Joined: Dec 2013
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I am going from FI to NA and need to buy a CAI and MAF. I am only shooting for 500ish rwhp. My question is do I just get a stock ls2 MAF with a good CAI (open to suggestions) or something like a LPE, ABACO, etc MAF?
Note that I have ported ls3 heads, TB and intake. Custom cam, 1 7/8 LTH w/ no cats
thanks
Note that I have ported ls3 heads, TB and intake. Custom cam, 1 7/8 LTH w/ no cats
thanks
Chances are your MAP is set up 2 bar now for the FI, and will need to go back to single bar MAP tune.
Talk to your tuner since this will need to be changed in the tune.
Also would help to know that motor, and even what CAI, since the Vararam CAI intake already comes with a over size MAF for the LS-2, and some of the later model vet CAI use the later model Vet's side mount MAF don't have the restriction problems as the LS-2 inline MAF's instead.
Last edited by Dano523; Mar 11, 2015 at 08:33 PM.
Thread Starter
Burning Brakes
Joined: Oct 2013
Posts: 942
Likes: 11
was running a 3 bar SD tune and I've already switched back, hence why now looking for a MAF
it is an 06 l2 with mods posted in first post. thought about the vararam but not sure if it would interfere with an oil cooler if I mount one in front?
what size is the stock MAF?
it is an 06 l2 with mods posted in first post. thought about the vararam but not sure if it would interfere with an oil cooler if I mount one in front?
what size is the stock MAF?
Chances are your MAF is set up 2 bar now for the FI, and will need to go back to single bar MAF tune.
Talk to your tuner since this will need to be changed in the tune.
Also would help to know that motor, and even what CAI, since the Vararam CAI intake already comes with a over size MAF for the LS-2, and some of the later model vet CAI use the later model Vet's side mount MAF don't have the restriction problems as the LS-2 inline MAF's instead.
Talk to your tuner since this will need to be changed in the tune.
Also would help to know that motor, and even what CAI, since the Vararam CAI intake already comes with a over size MAF for the LS-2, and some of the later model vet CAI use the later model Vet's side mount MAF don't have the restriction problems as the LS-2 inline MAF's instead.
Safety Car
Joined: Jul 2009
Posts: 3,755
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From: Baton Rouge LA
St. Jude Donor '14, '16
Since you're tuning anyway, just get an ls3/ls7 card style maf. It will read high enough for your application and can be had for fairly cheap.
Last edited by sevinn; Mar 10, 2015 at 09:12 AM.
Thread Starter
Burning Brakes
Joined: Oct 2013
Posts: 942
Likes: 11
thanks for the offer but ls3/7 can be had for about the same. of course I would need to buy the pigtail but should work better for my application.
LPE has an 85 MAF and they can send a starting MAF curve.
LPE has an 85 MAF and they can send a starting MAF curve.
Drifting
Joined: Sep 2009
Posts: 1,719
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From: cinnaminson n.j.
St. Jude Donor '14
Maf
Chances are your MAF is set up 2 bar now for the FI, and will need to go back to single bar MAF tune.
Talk to your tuner since this will need to be changed in the tune.
Also would help to know that motor, and even what CAI, since the Vararam CAI intake already comes with a over size MAF for the LS-2, and some of the later model vet CAI use the later model Vet's side mount MAF don't have the restriction problems as the LS-2 inline MAF's instead.
Talk to your tuner since this will need to be changed in the tune.
Also would help to know that motor, and even what CAI, since the Vararam CAI intake already comes with a over size MAF for the LS-2, and some of the later model vet CAI use the later model Vet's side mount MAF don't have the restriction problems as the LS-2 inline MAF's instead.
Are you referring to a 2 bar MAP sensor?
Thread Starter
Burning Brakes
Joined: Oct 2013
Posts: 942
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Race Director
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Yes, typo, but have to ask, just how much boost where you throwing at the motor to need a 3bar map sensor?
A 2bar map sensor will measure up to 14.7psi of boost, while a 3bar map will measure up to 29PSI of boost instead.
Better yet, if you where running a built motor at 15+PSI of boost, how could you ever go back to a N/A motor again?
A 2bar map sensor will measure up to 14.7psi of boost, while a 3bar map will measure up to 29PSI of boost instead.
Better yet, if you where running a built motor at 15+PSI of boost, how could you ever go back to a N/A motor again?
Thread Starter
Burning Brakes
Joined: Oct 2013
Posts: 942
Likes: 11
2 bar is good to 200kpa so depending on altitude it can be 14.7 or higher or lower (maybe not lower as that is sea level I believe) but yes that is a good rule of thumb.
I was close to maxing out the sensor which causes issues so installed 3 bar and ran a 2.5 COS
A 2bar map sensor will measure up to 14.7psi of boost, while a 3bar map will measure up to 29PSI of boost instead. [/QUOTE]
2 reasons. I have a TT car making more than that and I have an awful disease known as a fool with his money
I was close to maxing out the sensor which causes issues so installed 3 bar and ran a 2.5 COS
A 2bar map sensor will measure up to 14.7psi of boost, while a 3bar map will measure up to 29PSI of boost instead. [/QUOTE]
2 reasons. I have a TT car making more than that and I have an awful disease known as a fool with his money