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Lid/MAF coupler & MAF/Throttle Body coupler

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Old 11-08-2006, 01:39 PM
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Default Lid/MAF coupler & MAF/Throttle Body coupler

The car in question right now has what I believe is a TSP 85mm Lid (I think this because there is no silicon hose between the lid and MAF), stock MAF, and stock LS1 throttle body. The car is now changing to an MTI transparent lid, keeping the stock MAF, and going to an 85mm throttle body. What are the two coupling hoses that I need, and where can they be purchased? Thanks for the help, and please let me know if I'm overlooking something here.
Old 11-08-2006, 02:09 PM
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I would like to know as well. I also have the MTI clear lid on the car, and a 85mm TB coming soon. But instead of a stock MAF I just bought a SLP version. I was thinking about getting Fernco or www.hightempsilicone.com couplers, if they will work. Don't know if they will though.
Old 11-08-2006, 02:12 PM
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What did you use to couple the MTI lid to the stock MAF?
Old 11-08-2006, 02:52 PM
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I didn't use a coupler for it since the stock MAF fits inside the end of the MTI lid. I used the stock liner clamp to keep it tight.
Old 11-08-2006, 03:16 PM
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OK, well then I guess I'll do that. So what hose would properly fit from a stock MAF to an 85mm Professional Products TB?
Old 11-09-2006, 08:02 AM
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Any ideas here guys on what will fit an 85mm throttle body to a stock MAF? What about that "hitempsilicone" website? What size hose would I need from there?

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Old 11-09-2006, 08:21 AM
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I´d like to know as well
Old 11-09-2006, 06:07 PM
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Anyone? I guess the brand doesn't matter, so any 85mm throttle body.
Old 11-10-2006, 01:42 PM
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NOBODY has done this?
Old 11-10-2006, 02:16 PM
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Somebody has...

So you got your PP 85mm TB eh? I've been waiting since September for mine. Byunspeed said by the end of October to early November. I'll measure it when I get it and buy the closest thing I can find at www.hightempsilicone.com.
Old 11-10-2006, 02:28 PM
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Hell no I don't have it... just want to be prepared.

And I was told by Professional Products in mid October that it was still 60-90 days out.
Old 11-10-2006, 03:15 PM
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60-90 days? That sucks.
Old 11-10-2006, 04:49 PM
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yeah, no kidding.
Old 11-10-2006, 05:42 PM
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The TB shouldn't have a different outer diameter than a stock one, which is ~4". All the 90 mm TB have the same outer diameter as the stock ones, the inside diameter is just larger. This means you should just need a 4" to 3" reducer piece to fit from the throttle body to maf. It shouldn't be any different than what is on the car now.
Old 11-10-2006, 05:54 PM
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OK, cool... thanks for the response!



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