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92mm tb to stock maf to 104 lid?

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Old 12-01-2014, 10:03 PM
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Default 92mm tb to stock maf to 104 lid?

can this be done?

did i screw up on the parts I bought?


am i going to need 2 different size couplers?
Old 12-01-2014, 11:27 PM
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I'm sure you can get the right couplers but quick question. Your using the stock maf? As I recall it's a 78 or 80 mm hole. Your going to go form 104mm to 78mm to 92mm? The maf is going to be a big restriction in your intake pipe if your using the stock ls1 maf.
Old 12-02-2014, 07:36 AM
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Delete the MAF and go SD, or buy the TSP 100mm MAF, it will plug right into your lid.
Old 12-02-2014, 08:45 AM
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well crap! i impulse bought ....lol

would going to SD benefit?
Old 12-02-2014, 08:53 AM
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Going speed density on your setup may be worth a few hp but not as much as a striker setup. Maybe 5-8 hp over a maf tune. A cheaper alternative would be doing a truck mad. Under 75 bucks, couplers are available and it won't be a restriction as the inside the mad is actually close to 91mm
Old 12-02-2014, 09:10 AM
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which truck MAF?

If it would be cheaper and benefit in a way....I can always take it down to TiCK and get a retune.

I think I may need to do that cause of all the added air flow with a bigger Lid, TB and intake vs what i had before

Last edited by stroked383HSR; 12-02-2014 at 09:21 AM.
Old 12-02-2014, 11:26 AM
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BTW, 4 inch exhaust pipe fits perfect in your lid. You can delete your MAF, run a short piece of pipe to compensate and if you boil your bellow make it squeeze over both without much trouble.
Old 12-02-2014, 12:02 PM
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Check out intakehoses.com. They will have what you need.
Old 12-02-2014, 12:24 PM
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I would just go speed density. Either use the exhaust pipe or get a one piece silicone hose. Throttle is alot more snappy with speed density.
Old 12-02-2014, 09:02 PM
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I like my SD setup. The piece I got from intakehoses.com was really nice, fits great, and looks better too.
Old 12-02-2014, 11:31 PM
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You got everything you need to convert to speed density including two boots from the lid to the throttle body. Delete the maf and don't look back
Old 12-03-2014, 01:29 PM
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Old 12-03-2014, 01:33 PM
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Here is my thread that has pictures of what I used.

https://ls1tech.com/forums/generatio...l#post18375528
Old 12-03-2014, 01:37 PM
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Mine is FTP 104, 4 inch exhaust pipe, ebay smooth bellow, 95mm PTM TB.
Old 12-03-2014, 01:40 PM
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Had this issue. I had to use a rubber coupler that I modified. I can take a picture if you want me too...
Old 12-03-2014, 01:57 PM
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The size I used was a 4" ID x 6" long silicone hose from intakehoses.com. It was a bit of a challenge getting it connected from the TB to the neck of the SLP lid, but with some encouragement, it works. The issue is it's not a 100% straight shot from the TB to the neck of the lid. Something with a slight bend would be best, but not 100% necessary if the silicone hose has some give to it.
Old 12-03-2014, 02:01 PM
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The 104 ftp lid has a step inside of the neck. It makes using a smaller maf a pain in the ***. It's not smooth like the slp lid.
Old 12-03-2014, 02:45 PM
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Originally Posted by scotty2000ss
The 104 ftp lid has a step inside of the neck. It makes using a smaller maf a pain in the ***. It's not smooth like the slp lid.
I went over the TB and over the neck with it.
Old 12-03-2014, 04:40 PM
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Originally Posted by Rise of the Phoenix
I went over the TB and over the neck with it.
That was my plan but my tuner wouldn't tune me SD because it would always throw a DTC and I'd fail NYS inspection. Sucks, I had all the **** ready too lol
Old 12-04-2014, 05:33 PM
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im gonna try and go with a SD tune also...

I hope the tuner at TICK doesnt have an issue with tuning...I dont see that happening though.

why so with yours?


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