smooth flow duct insall ?
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Joined: Feb 2003
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From: orange park florida
smooth flow duct install help?
i just got a silicone smooth flow air duct replacing the accordian shaped factory piece to accomedate my blackwing and i noticed there is a sensor on the left side that connects to the fuel pressure regulator. there is no hole for it in the silicone duct. do i need to make a hole? i know this is a junior varsity question but any help would be great, my wife thinks i got ripped off. they are kinda pricee...but it is a vette. :confused:
[Modified by mdutton01, 9:52 PM 2/26/2003]
[Modified by mdutton01, 9:52 PM 2/26/2003]
Le Mans Master
Joined: Dec 2000
Posts: 9,918
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From: Hot Springs AR
Re: smooth flow duct install help? (mdutton01)
Being 900+ miles away from my Vette, :cry I'm having a problem visualizing what you're looking at. I think you're talking about the Intake Air Temperature sensor. If so, all you have to do to mount it is to make a small hole in your duct and push it into that hole.
If you could give a bit more detail (how many wires, size of sensor, etc) we might be able to help a bit more.
HTH,
Mike
If you could give a bit more detail (how many wires, size of sensor, etc) we might be able to help a bit more.
HTH,
Mike
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Joined: Feb 2003
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From: orange park florida
Re: smooth flow duct install help? (VetteDrmr)
thanks mike, you are right it is the air temp sensor and i'm going to do what you said...do you know anything about the aftermarket air temp modules i think it is probably a rip off but the are cheap. sorry about the dumb question :withstupid:
Le Mans Master
Joined: Dec 2000
Posts: 9,918
Likes: 1,879
From: Hot Springs AR
Re: smooth flow duct install help? (mdutton01)
Don't bother with them. With the LS-1's MAF-based computations, the IAT is primarily a backup sensor that's used when the MAF has failed. When that happens the system reverts to a speed-density mode, which uses IAT, Manifold Absolute Pressure (MAP), RPM, and probably a few others I'm leaving out.
So, I don't think you'll see any performance improvement with an aftermarket IAT in a MAF-based system.
Have a good one,
Mike
So, I don't think you'll see any performance improvement with an aftermarket IAT in a MAF-based system.
Have a good one,
Mike
Pro
Joined: May 2000
Posts: 713
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From: Salt Lake City UT
Re: smooth flow duct install help? (VetteDrmr)
It sounds like you are talking about the plastic tube that supplies vacuum to the fuel pressure regulator (this leans the mixture at high rpm). Defineatly punch a hole in your duct a seal carefully so there are no air leaks.
Drifting
Joined: Aug 2002
Posts: 1,317
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From: Lancaster CA
Re: smooth flow duct install help? (mdutton01)
Some of the vendors sell a thing called a "fuel recurve" line. It allows you to take off vacumn for the fuel pressure regulator from the other side of the throttle body. Many after market air filters cause a drop in vacumn in front of the TB which richens the A/F mix. The recurve line takes the vacumn off behind the TB which helps maintain the proper A/F mix.
:cheers:
:cheers:
Drifting
Joined: Sep 2002
Posts: 1,529
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From: Lost Angeles CA
St. Jude Donor '03 & '05
Re: smooth flow duct install help? (mdutton01)
i used a punch and made a small hole in the coupler, it was a b8tch to get in but it stayed tight.
make the hole about the same distance from the TB as the stock piece.
make the hole about the same distance from the TB as the stock piece.
Burning Brakes
Joined: Aug 2002
Posts: 1,091
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From: Los Angeles CA
Re: smooth flow duct install help? (devo)
i used a punch and made a small hole in the coupler, it was a b8tch to get in but it stayed tight.
make the hole about the same distance from the TB as the stock piece.
make the hole about the same distance from the TB as the stock piece.
:lolg: :lolg:
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Drifting
Joined: Sep 2002
Posts: 1,529
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From: Lost Angeles CA
St. Jude Donor '03 & '05
Re: smooth flow duct install help? (RskyBns)
i used a punch and made a small hole in the coupler, it was a b8tch to get in but it stayed tight.
make the hole about the same distance from the TB as the stock piece.
Yea, but devo....aren't you throwing all sorts of codes??
:lolg: :lolg:
make the hole about the same distance from the TB as the stock piece.
Yea, but devo....aren't you throwing all sorts of codes??
:lolg: :lolg:
the T1 came with its own smooth coupler and for some reason my check engine light hasnt come back on. what i did was to take the damn thing off and start over and reinstall. since then (and after you told me about oil in the MAF) i havent thrown a code hmmm??? but that was good advice i "carefully"cleaned the MAF and i think that was the problem. thanx bro