Ported MAF Sensor pics Inside
Thread Starter
Safety Car
Joined: Oct 2001
Posts: 4,763
Likes: 1
From: Connectivette
Ported MAF Sensor pics Inside
I'm headin' to the track this Friday and at least wanted to make some sort of mod. Weather it helps or not we may never know.
I had removed the screens months ago, so sorry about no pics showing that. I just pried them out with a minature screw driver.
Now to removing the heat sinks...............
I first taped the ends where the wire filiments are and one by one hack sawed away the sinks. It took about an hour to lop them off, file any burrs and blow out all the debri.
I had removed the screens months ago, so sorry about no pics showing that. I just pried them out with a minature screw driver.
Now to removing the heat sinks...............
I first taped the ends where the wire filiments are and one by one hack sawed away the sinks. It took about an hour to lop them off, file any burrs and blow out all the debri.
Burning Brakes
Joined: Jul 2001
Posts: 905
Likes: 1
From: New Bern NC
Re: Ported MAF Sensor pics Inside (chucks88)
Newbie question: Are there any issues with removing the MAF and replacing with staight tube. The previous owner told me that he unhooked the MAF. What does that do for me and isn't that the same as removing it?
Thanks,
Thanks,
Team Owner
Joined: Mar 2000
Posts: 83,383
Likes: 87
From: Boston, MA
Newbie question: Are there any issues with removing the MAF and replacing with staight tube. The previous owner told me that he unhooked the MAF. What does that do for me and isn't that the same as removing it?
These figures go into figuring out such things as the load being put on the engine in combination with TPS & RPM readings.
So if you disconnect it the computer goes off of an internally stored MAF table because as far as it is concerned you have a failed MAF. Are you not getting any codes (particularly 33 or 34) with it disconnected?
Team Owner
Joined: Dec 2000
Posts: 90,675
Likes: 304
From: SE NY
Cruise-In II Veteran
Re: (tworottiedogs)
Flow tests have shown that the stock L98 MAF has a flow limit of a little over 500cfm; the gutted MAF has a flow limit of 750cfm.
As your mods push power over 300hp the stock MAF can be come a restriction to air flow into he engine.
Though it's true that the L98 ECM can only register up to 255gm/sec of mass air flow, higher mass flow rates can be accomidated by adding fuel at WOT with an AFPR and/or larger fuel injectors, up to the physical volumetric air flow limit of 750cfm.
As your mods push power over 300hp the stock MAF can be come a restriction to air flow into he engine.
Though it's true that the L98 ECM can only register up to 255gm/sec of mass air flow, higher mass flow rates can be accomidated by adding fuel at WOT with an AFPR and/or larger fuel injectors, up to the physical volumetric air flow limit of 750cfm.
Thread Starter
Safety Car
Joined: Oct 2001
Posts: 4,763
Likes: 1
From: Connectivette
Re: Ported MAF Sensor pics Inside (Greg Johnson)
Chuck,
Real nice job on the photos. This will be a good reference for those wanting to port their MAF.
Greg
Real nice job on the photos. This will be a good reference for those wanting to port their MAF.
Greg
Jim, Do you have any personal before /after results from the track with the gutted MAF. I don't think I'm pushin' over 300 ponies but I may be floatin' around 280-290
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Intermediate
Joined: Sep 2002
Posts: 42
Likes: 0
From: atlantic va
Re: Ported MAF Sensor pics Inside (Bill-35thAnvrsy-88)
let us know when it fails, I'd be interested to know what the reduction in service life is going to be due to the signal conditioning electronics having to store the extra heat load.
just playing devil's advocate :reddevil
just playing devil's advocate :reddevil
Le Mans Master
Joined: Oct 2001
Posts: 5,302
Likes: 2
From: Atlanta GA
Re: Ported MAF Sensor pics Inside (fathermojo)
let us know when it fails, I'd be interested to know what the reduction in service life is going to be due to the signal conditioning electronics having to store the extra heat load.
just playing devil's advocate :reddevil
just playing devil's advocate :reddevil
