Should I go with a larger MAF on next tune?

sick2v · Feb 23, 2011

I need some tech advice regarding a larger MAF sensor. I have listed mods at bottom and I'm headed to a different tuner but I'm thinking of throwing in a larger MAF sensor hoping for a better tune with the graeter flow of air already coming in. Is this even worth it? Or is a larger MAF more for the FI crowd and not NA? Any help is greatly appreciated...

-Sick2v

trinity_gt · Feb 23, 2011

Put a scanner on it that is able to display and log MAF volts. You should consider a new MAF if you are saturating (i.e. putting more air through it than it is able to accurately measure) the one there now.

JymboSlice · Feb 23, 2011

get a lightning 90mm MAF just to be safe

Maxpowers · Feb 23, 2011

JymboSlice said:
get a lightning 90mm MAF just to be safe

I don't agree with throwing money around for no reason. Do as stated above with the meter.

So you have any current dyno numbers for your car?

Edit: Don't waste your money for two reasons:
1) Stock MAF is more than enough for NA cars. Unless you are pushing 400 whp, I wouldn't be worried about it.
2) Once you get a new MAF, you will have to tune it.

JymboSlice · Feb 23, 2011

lightning maf's are like $150.. if he spent all that money on those heads, intake, headers, cams, etc.. whats an extra $150 to be safe?

Maxpowers · Feb 23, 2011

JymboSlice said:
lightning maf's are like $150.. if he spent all that money on those heads, intake, headers, cams, etc.. whats an extra $150 to be safe?

Plus $600 for a tune. Why waste your money? You just bought four tires, but a 5th would only be $150 more....would you buy another one?

GDawg · Feb 24, 2011

I agree with maxpowers. I'm pretty sure you would need to retune the car.

bhuff30 · Feb 24, 2011

Absolutely, you have to get a tune after changing mass air meters. The new meter will have a completely different calibration curve.

Again, the only reason to replace the MAF is if you are pegging it (reaching saturation). It simply isn't going to be a significant restriction within the operating range... but if you are pegging the meter, then you could get more accurate engine control by upgrading to something that can indicate higher flow.

JymboSlice · Feb 24, 2011

Maxpowers said:
Plus $600 for a tune. Why waste your money? You just bought four tires, but a 5th would only be $150 more....would you buy another one?

.......he's already getting a tune. Whatever dude, do whatever you want. thats just my opinion on getting a larger MAF

Maxpowers · Feb 24, 2011

JymboSlice said:
.......he's already getting a tune. Whatever dude, do whatever you want. thats just my opinion on getting a larger MAF

Throwing needless money at something is never a good idea. There is absolutely no warranted reason for the op to purchase a larger MAF.

JymboSlice · Feb 25, 2011

Maxpowers said:
Throwing needless money at something is never a good idea. There is absolutely no warranted reason for the op to purchase a larger MAF.

it's $150

Should I go with a larger MAF on next tune?

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