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Old 01-16-2021, 08:08 AM
paulk68 paulk68 is offline
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Default MAF sensor placement

Can someone explain MAF sensor placement to me? I have a GM crate motor LS3 in my 68 Camaro that I am looking to get a wiring kit for. I also am going to use one of franks LS air intake kits. Do I need the MAF in the air intake tube? I see some builds with it there and others not. Any guidance would be much appreciated.
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Old 01-16-2021, 11:40 AM
dhutton dhutton is online now
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It should be roughly centered in a long section of straight intake tube for best results. You donít want it in turbulent flow.

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Old 01-16-2021, 12:23 PM
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Quote:
Originally Posted by paulk68 View Post
Can someone explain MAF sensor placement to me? I have a GM crate motor LS3 in my 68 Camaro that I am looking to get a wiring kit for. I also am going to use one of franks LS air intake kits. Do I need the MAF in the air intake tube? I see some builds with it there and others not. Any guidance would be much appreciated.
Thanks
The GMPP installation guide has a good explanation of how the blade style MAF needs to be installed:

https://www.chevrolet.com/content/da...except-lc9.pdf

If you were to go with a Holley EFI system, like the Terminator X Max, then a MAF is not needed.

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Old 01-17-2021, 01:00 AM
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Quote:
Originally Posted by andrewb70 View Post
The GMPP installation guide has a good explanation of how the blade style MAF needs to be installed:

https://www.chevrolet.com/content/da...except-lc9.pdf

If you were to go with a Holley EFI system, like the Terminator X Max, then a MAF is not needed.

Andrew
This is the correct info. Frank placed the MAF in the center of the intake tube he made for me and I havenít had any issues. Wiring leaves a bit to be desired, but itís the only option. That setup from Frank is $$$$.
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Old 01-18-2021, 08:21 PM
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Quote:
Originally Posted by andrewb70 View Post
The GMPP installation guide has a good explanation of how the blade style MAF needs to be installed:

https://www.chevrolet.com/content/da...except-lc9.pdf

If you were to go with a Holley EFI system, like the Terminator X Max, then a MAF is not needed.

Andrew

And to add to this, you can also run the GM stuff without the MAF. It will automatically go into SD (speed density) mode when MAF is unplugged. Any good tuner can make the setup work properly. Really boils down to preference. I prefer the SD tuning myself, but I donít drive mine across the country where multiple weather and elevation changes would work better with a MAF setup. Both style setups have their pros and cons.
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