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Old Nov 9, 2019 | 01:45 PM
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Default Well made easy to tune/install MAF?

Hello, currently looking at installing the msd atomic with a 102 NW TB and I want to run a MAF (no speed density debates please) I see there is a TSP 100mm maf and a lingenfelter. I also see a gm z06 85mm on ws6store, all these are a decent price. What have you guys had success with? Dont know if this should be in tuning or external thread so move if required thanks!
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Old Nov 9, 2019 | 01:58 PM
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I wonder if the MAF and TB need the same size or if one could get away with a slightly smaller MAF due to the throttle shaft/blade taking a little area of the TB?
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Old Nov 9, 2019 | 02:04 PM
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Originally Posted by G Atsma
I wonder if the MAF and TB need the same size or if one could get away with a slightly smaller MAF due to the throttle shaft/blade taking a little area of the TB?
Well because of how the fuel is injected I'd imagine the only thing that matters is if enough air can enter the plenum to feed the demand of the cylinders. So whether it's a 92, 102, 85 etc as long as it gets enough air its good to go. Question I guess is how much does it need and what's good enough?
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Old Nov 9, 2019 | 05:56 PM
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I needed something similar. I found a low mile lingenfelter. my research, all the new stuff uses an ls3 ls7 maf card that many tuners are familiar with, but debates have argued it's still not the best because the ls7 card wasn't designed to be used in a 4 inch tube as well as it blocks a decent amount of airflow. interestingly the lingenfelter uses a slightly smaller maf card commonly used in 4 and 5 cylinder Colorado and similar engines, I think some Saturn's to according too summit. it appears to block less area but certainly wasn't designed for a 4 inch tube also, but probably uses this maf because the lingenfelter is an older design and probably was cheaper at the time than the very recently new ls3 and ls7. definitely buy a used maf, the new ones are so overpriced. especially hawks for 450, comes with a lid maf adapter and coupler. all the pieces could be had used for under 300. hope this helps u with ur decision

Last edited by Floorman279; Nov 9, 2019 at 10:26 PM. Reason: .....
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Old Nov 9, 2019 | 05:57 PM
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definitely buy an aftermarket honeycomb screen if u go 4 inch maf.
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Old Nov 9, 2019 | 07:10 PM
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Originally Posted by Floorman279
I needed something similar. I found a low mile lingenfelter. my research, all the new stuff uses an ls3 ls7 maf card that many tuners are familiar with, but debates have argued it's still not the best because the ls7 card wasn't designed to be used in a 4 inch tube as well as it blocks a decent amount of airflow. interestingly the lingenfelter uses a smaller mad card commonly used in 4 and 5 cylinder Colorado and similar engines, I think some Saturn's to according to summit. it appears to block less area but certainly wasn't designed for a 4 inch tube, but probably uses this maf because the lingenfelter is an older design and probably was cheaper at the time than the very recently new ls3 and ls7. definitely buy a used maf, the new ones are so overpriced. especially hawks for 450, comes with a lid maf adapter and coupler. all could be had used for under 300. hope this helps u with ur decision
Ya the tsp 100mm maf is brand new for 299 with a coupler and adapters (i think?) The thing is, I have no idea how to tune but I am considering learning how via hptuners for my new engine build. I dont want to make it too hard on myself.
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Old Nov 9, 2019 | 08:21 PM
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How radical is this setup going to be? I bet the GM 85mm maf will probably be good for your setup and the easiest to tune
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Old Nov 9, 2019 | 08:35 PM
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Originally Posted by Z28SteveA4
How radical is this setup going to be? I bet the GM 85mm maf will probably be good for your setup and the easiest to tune
408 stroker, 236/245 cam, msd or ported fast 102 and prc 225 as casts with a lightweight valvetrain and short travels.
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Old Nov 9, 2019 | 09:16 PM
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TSP MAF has the honeycomb built in. Fits in the FTP 104 lid perfectly.

Heat soaks like a ****.

Otherwise, is easy to tune.
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Old Nov 9, 2019 | 10:17 PM
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Originally Posted by JakeFusion
TSP MAF has the honeycomb built in. Fits in the FTP 104 lid perfectly.

Heat soaks like a ****.

Otherwise, is easy to tune.
Heat soak? Is it more susceptible to thermal issues then other mafs?
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Old Nov 9, 2019 | 10:24 PM
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Originally Posted by JakeFusion
TSP MAF has the honeycomb built in. Fits in the FTP 104 lid perfectly.

Heat soaks like a ****.

Otherwise, is easy to tune.
op if you are running a fast 102 mine as well not run the 85 gm piece in my opinion. no reason not to.

also i just saw a big maf for sale in the classifieds for like 180 i think. the 104 lids are hard to find used so i will probably have to buy new just like you will have to if you choose to run a 4 inch maf.

as far as the heat soak, i was planning on running an IAT in the lid anyway. honestly i think any of the 5 pin mats have some level of heat soak that we dont want. some moree than others.
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Old Nov 10, 2019 | 03:30 PM
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Well it sits right on top of the radiator and the IAT is built into the LS3 MAF cartridge that you use. You can run a separate IAT.

But if you use the built-in IAT of the cartridge, it will heat soak. I had mine wrapped in reflective heat shield, and it would show 140+ F in traffic for the IAT. And when the air temp is really like 85, talk about a **** show for how the car acts.
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Old Nov 10, 2019 | 06:36 PM
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Ls7 maf in a Spectre 4 inch tube,Saxon honeycomb, and adapter harness is a total of about $100. Running the internal IAT and cruising temp was very reasonable, but as said the adapter harness let's you run a separate one.
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Old Nov 10, 2019 | 10:44 PM
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Can I run the iat sensor in the air lid?
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Old Nov 11, 2019 | 05:53 AM
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In a f car, any maf will heat soak. You can run the IAT in the lid. Highly recommended. Or even in the bumper support, insulated from all that heat.

You can get adapter harnesses to let you do it or you can cut and splice wires. It is not too bad to do either way.

One of the worst Internet things to happen to the F car was the idea to de screen the maf. Like mentioned above, the 100mm maf card blocks the throttle opening. You might be able to get away with the truck maf unless you are planning to make max effort power. Between the 85mm truck maf with no card and the 100mm with card, idk which flows more.

As to tuning, copying the maf curve in is very simple. If you do lingenfelter maf they have an excel spreadsheet you can download ready to be copied and pasted.
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Old Nov 11, 2019 | 06:01 AM
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Originally Posted by Darth_V8r
....
One of the worst Internet things to happen to the F car was the idea to de screen the maf. .....
It's amazing how many people don't understand this lol.
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Old Nov 11, 2019 | 06:18 AM
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Never seen an issue de screening the smaller mafs both ls1 and 85mm truck . Current 85mm on my camaro is de screened and runs perfect and so does my daily ls1 with stock maf de screened. ls7 maf card in 4" pipe won't read properly without a screen but the others do if your intake is straight enough (no 90 deg bends near the maf).

OP, I'd go with the z06 85mm which should already be de screened from factory. No tuning hassles and I think it will support your combination.
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Old Nov 11, 2019 | 07:33 AM
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If you descreen a stock MAF, you skew the transfer function down....mean the car is reading less airflow than it should be which leans out the AFR. Without a retune this is not a good idea. The honeycomb also does an excellent job at A) stabilizing the MAF frequency read and B) keeping crap out of the motor
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Old Nov 11, 2019 | 08:10 AM
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Originally Posted by Darth_V8r
In a f car, any maf will heat soak. You can run the IAT in the lid. Highly recommended. Or even in the bumper support, insulated from all that heat.

You can get adapter harnesses to let you do it or you can cut and splice wires. It is not too bad to do either way.

One of the worst Internet things to happen to the F car was the idea to de screen the maf. Like mentioned above, the 100mm maf card blocks the throttle opening. You might be able to get away with the truck maf unless you are planning to make max effort power. Between the 85mm truck maf with no card and the 100mm with card, idk which flows more.

As to tuning, copying the maf curve in is very simple. If you do lingenfelter maf they have an excel spreadsheet you can download ready to be copied and pasted.
So If i run a truck maf or z06 screened maf from ws6store, should I then just run a 92mm tb and lid and not worry about grinding on or buying a new waterpump? It's not max effort, it's a daily driver. Still would like to crack 500whp for all this work.
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Old Nov 11, 2019 | 12:41 PM
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I would use a 92mm TB and the 85mm Z06 MAF.

It'll be easier to tune and will drive fine. If you're under 470rwhp, it's not really a hindrance either.
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