MAF for L92 416 stroker or LSX 440
MAF for L92 416 stroker or LSX 440 In order to feed these larger engines, what size MAF is necessary? The guys with larger displacements motors, what are you using for a MAF sensor? TIA
On The Tree
Joined: Apr 2004
Posts: 157
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From: Brampton, Ontario
Thank you for the responses.
Concerning the SD tune, that is the major reason why this MAF guy would go SD.
And 100mm MAF what good is a 100mm MAF when the leading end of the intake is maybe 90mm? Yea, where is the 100mm intake?
Concerning the SD tune, that is the major reason why this MAF guy would go SD.
And 100mm MAF what good is a 100mm MAF when the leading end of the intake is maybe 90mm? Yea, where is the 100mm intake?
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Verdad Gallardo The benifit of a 100mm MAF is not having to run a smaller than 90mm MAF and restrict your 90mm TB & intake. SD tunes are good and accurate but when the weather changes so does your tune, with a MAF it can compensate for variancies in weather. I'm a nitrous guy and a MAF is good insurance for me, thats why I like running one. I have done a few SD tunes BTW, they take a lot of work to make them accurate and keep them accurate. VE tables are VERY touchy.
running stock LS1 maf right now on my L92 headed 402LS2.
505whp with a stock L76 intake and 1 3/4 primary headers, but i will be going SD once i finish everthing else i want to do to the motor
505whp with a stock L76 intake and 1 3/4 primary headers, but i will be going SD once i finish everthing else i want to do to the motor
WS6Hummer: I am a MAF guy all the way. I agree with you completely I think that with alot of tuning, a person could make the car fastest with a SD tune, but the tune would not last. The only way to have a good tune always after you finshed tuning is to do a MAF tune.
JDP: Allen Park,,, 505 RWHp with a stock LS1 MAF is very impressive. I always want to ask in these cases is how much Hp do you think that you are giving up with the stock MAF VS 90mm MAF OR a SD tune?
JDP: Allen Park,,, 505 RWHp with a stock LS1 MAF is very impressive. I always want to ask in these cases is how much Hp do you think that you are giving up with the stock MAF VS 90mm MAF OR a SD tune?
TECH Enthusiast
Joined: May 2007
Posts: 538
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Having seen lots of power being made with the 78mm maf its not really a restriction if it gives up 5-10hp who cares. the quality of fuel metering is so much better with a properly functioning maf that the trade is so so at best. . What I would use is the SLP 85mm plastic. the 100mm lingefelter MAF has noise issues.
WS6Hummer: I am a MAF guy all the way. I agree with you completely I think that with alot of tuning, a person could make the car fastest with a SD tune, but the tune would not last. The only way to have a good tune always after you finshed tuning is to do a MAF tune.
JDP: Allen Park,,, 505 RWHp with a stock LS1 MAF is very impressive. I always want to ask in these cases is how much Hp do you think that you are giving up with the stock MAF VS 90mm MAF OR a SD tune?
JDP: Allen Park,,, 505 RWHp with a stock LS1 MAF is very impressive. I always want to ask in these cases is how much Hp do you think that you are giving up with the stock MAF VS 90mm MAF OR a SD tune?
Now all I have to do is tell the car what AFR I want and thats what it is, one of the things that made me give up my 383 carbed C3 Corvette, I love tuning and learning new things about EFI. My wife is now jealous of all the attention my WS6 gets, its a sickness!
Amen! What siz are the MAF's on all the later model 5.3's? They look huge compared to my LS1's & I have a few of them @ work that would be free if I could use it.
How do you re-wire the '06+ C6 MAF to get it to work with LS1 cars? Is this MAF the stick type looking device which you can mount into any tube? Can someone post a pic?
I made 475 thru a stock untouched 01 maf with a 13.5 to 1 402, thru a TH400 with a 5000+ n/a non-lockup converter.
We will be SD tuning the car next year to see what it will pick up, and adding a elec water pump and a set of 1 7/8 stepped to 2 inch headers at the same time, hoping to hit 500 rw thru the th400, which should put the car close to dipping into the 9's on motor, if the car works good enough/ weight is low enough (runs 10.54 to 10.57 consistantly now off the footbrake, at 3440 lbs)
We will be SD tuning the car next year to see what it will pick up, and adding a elec water pump and a set of 1 7/8 stepped to 2 inch headers at the same time, hoping to hit 500 rw thru the th400, which should put the car close to dipping into the 9's on motor, if the car works good enough/ weight is low enough (runs 10.54 to 10.57 consistantly now off the footbrake, at 3440 lbs)
TECH Enthusiast
Joined: May 2007
Posts: 538
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Use the Plstaic later 5.3 6.0 ls1 01-up Y body and the SLP 85mm SLP plastic conversion MAF. That Slot in element as its known, has noise issues.The LPE Drop in Pito tube style also has noise issues.
Having seen lots of power being made with the 78mm maf its not really a restriction if it gives up 5-10hp who cares. the quality of fuel metering is so much better with a properly functioning maf that the trade is so so at best. . What I would use is the SLP 85mm plastic. the 100mm lingefelter MAF has noise issues.
Joined: Jul 2005
Posts: 531
Likes: 1
From: Texas, Europe, Iraq & Afghanistan
I recently had a problem with my MAF in that it was throwing P0068 and P0101 codes. I increased the "VE Maximum" (Volumetric Efficiency) table by 10% since the engine size increased 10%. So far all is well. I have found the Engine Management book by Greg Banish quite insightful.
