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Comparing air box lids.

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Old 01-21-2012, 10:33 AM
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When you get a ftp 104 lid and a tsp maf with the bellow will the maf work with stock tune? Will it work with the stock tb?
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Old 01-21-2012, 10:37 AM
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The MAF needs to be tuned for. I believe the MAF is 4 inches and the stock TB is 3 inch or so, so that means you would need a custom coupler to make it work.
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Old 01-21-2012, 10:38 AM
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Here are comparison pics:



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Old 01-21-2012, 10:48 AM
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Thanks. So it would fit a 92 fast tb? A dyno tuner could tune to maf and car right?
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Old 01-22-2012, 12:45 AM
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I think FTP 104 is made specifically for the 100 MAFs and then would need a reduction coupler to go to a 90mm TB/intake. It should be a direct fit for a Fast 102 though.
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Old 01-22-2012, 01:21 AM
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A lid is a lid is a lid is a lid...just like 3mm on a tb or 5mm xtra maf isn't worth it hp/$ wise
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Old 01-22-2012, 01:51 AM
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My FTP lid fits like crap, I brought when i had a shop do heaeders and a stall, the FTP lettering is rubbed off on to the hood, i don't even lift my hood due to how bad it fits. I should have brought to the installer as soon as I seen the prob but thier out of biz and I have no receipt.
I have it bungee corded and duct taped to seal it lol. And I hea about bad fitment from all and for what little if any it did for me perforamnace wise I would have stuck with stock.

Planning on on a H\C in the future so I guess gonna have to buy new lid assembly and upgrade MAF. But yes waste of $180 0r whatever it was.
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Old 01-22-2012, 09:14 AM
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Red ss how did your ftp lid fit?
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Old 01-22-2012, 12:07 PM
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Wow I sure hope my FTP 104 doesnt fit like crap im in the middle of upgrading from 85mm to 100mm+ setup, just snagged a clear FTP lid!!!
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Old 01-22-2012, 12:58 PM
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Unless you got a big cube motor those huge lids are def killing the velocity of the incoming air...

Anyway I have a SLP lid and the top of it rubs on my hood too...it's pretty much unavoidable
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Old 01-22-2012, 01:33 PM
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Originally Posted by wildcamaro
Unless you got a big cube motor those huge lids are def killing the velocity of the incoming air...

Anyway I have a SLP lid and the top of it rubs on my hood too...it's pretty much unavoidable





I don't know about all that. All you're doing is supplying the manifold with as much air as it needs. The runners are going to determine the velocity, not the size of the lid or anything else.

People are putting on 102mm TB's and intakes and gaining power. I think you're wrong.
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Old 01-22-2012, 01:46 PM
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They might be gaining power but I will guarantee that the extra power is high in the rev range...which verifies what I'm saying bc you have to have more rpms to get the air velocity to the point where it is Efficient enough to make the extra power...putting a huge airline/Maf/tb/intake on a stock cube ls1 might gain hp up high but it comes at a cost of low end torque...look up some dyno charts....changing the size of ANY component of the air intake system will effect air velocity, not just the manifold
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Old 01-22-2012, 01:55 PM
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i wouldnt buy that lid for a stock internal car but i might look into on my setup later on.
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Old 01-22-2012, 02:29 PM
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Originally Posted by ULTIMATEORANGESS
i wouldnt buy that lid for a stock internal car but i might look into on my setup later on.

Would a ftp 104 and a 100mm maf be good for a stock cu. ls1 with heads, cam, intake, and stall?
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Old 01-22-2012, 02:34 PM
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Originally Posted by JUSTINSWS6
Would a ftp 104 and a 100mm maf be good for a stock cu. ls1 with heads, cam, intake, and stall?
Yes.

With cam/heads/intake your motor is pulling/pushing more air in/out vs stock internal.
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Old 01-22-2012, 02:55 PM
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Originally Posted by wildcamaro
They might be gaining power but I will guarantee that the extra power is high in the rev range...which verifies what I'm saying bc you have to have more rpms to get the air velocity to the point where it is Efficient enough to make the extra power...putting a huge airline/Maf/tb/intake on a stock cube ls1 might gain hp up high but it comes at a cost of low end torque...look up some dyno charts....changing the size of ANY component of the air intake system will effect air velocity, not just the manifold
No it won't. This isn't a carburated motor. The air velocity is determined by the intake runners in the intake and the runners and ports in the heads. The lid or TB size has nothing to do with velocity. Why do you thing people are running FAST 102s on stock cube cars and stock internal cars and seeing gains. All a bigger lid is doing is removing a restriction in the intake tract, and that is never bad
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Old 01-22-2012, 02:57 PM
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Thanks-bene
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Old 01-22-2012, 03:02 PM
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Oh and yes it would be. No point in paying 1200 for a FAST 90 combo when you can get the intake and TB for 1000
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Old 01-22-2012, 06:50 PM
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^^^ I agree and I think its rediculous the prices people are asking for fast 90/92 units you might as well buy a new 102 unit and people were saying the same thing about 1 7/8 headers and we all no how that turned out so I only take so much from the internet these day, but you no im just sayin!!!
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Old 01-23-2012, 12:18 AM
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Originally Posted by JUSTINSWS6
Red ss how did your ftp lid fit?
Fits great on the shelf in the tool room

Originally Posted by wildcamaro
Unless you got a big cube motor those huge lids are def killing the velocity of the incoming air...

Anyway I have a SLP lid and the top of it rubs on my hood too...it's pretty much unavoidable
I don't agree with any of your airflow logic and my SLP lid does not rub. Sounds like it's your car and not the lids.

Originally Posted by wildcamaro
They might be gaining power but I will guarantee that the extra power is high in the rev range...which verifies what I'm saying bc you have to have more rpms to get the air velocity to the point where it is Efficient enough to make the extra power...putting a huge airline/Maf/tb/intake on a stock cube ls1 might gain hp up high but it comes at a cost of low end torque...look up some dyno charts....changing the size of ANY component of the air intake system will effect air velocity, not just the manifold
Nope, try again.

Originally Posted by JUSTINSWS6
Would a ftp 104 and a 100mm maf be good for a stock cu. ls1 with heads, cam, intake, and stall?
I think it would.
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