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tpi pic needed asap

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Old Dec 13, 2002 | 02:55 PM
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From: Freehold, NJ
Car: 1991 Formula
Engine: 434
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tpi pic needed asap

Can someone please post a pic of a tpi motor. I need the paassenger side of the plenum in the rear where all the vaccum lines go.

I put my 305 back in for inspection and I need to get the vacuum lines in there properly.

Thanks
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Old Dec 14, 2002 | 05:59 PM
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Attached Thumbnails tpi pic needed asap-tpienginerh.jpg  
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Old Dec 16, 2002 | 07:11 AM
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From: Freehold, NJ
Car: 1991 Formula
Engine: 434
Transmission: PG
Axle/Gears: 4.33
Thanks vader that did help a little.

One other question though, I have a 91 car. I know the MAF sensor is bolted directly to the plenum but I also have this star trek looking thing, kind of looks like sky lab for those of you who were around in the early 80's. Where does that go?
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Old Dec 16, 2002 | 09:29 AM
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Old Dec 16, 2002 | 01:51 PM
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From: under the hood
I take it you dont work on cars very much do you.... "MAF" sensor on a speed density car ? "Star trek looking thing" ? Maaaaan... And I thought my GF was bad at describing car parts!
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Old Dec 16, 2002 | 08:31 PM
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From: Freehold, NJ
Car: 1991 Formula
Engine: 434
Transmission: PG
Axle/Gears: 4.33
sorry MAP sensor. I think we all knew what I was talking about

The star trek looking thing seems to be some sort of vacuum distribution piece, but not quite sure where it should go to and which system should get limited vacuum and which shouldn't.
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Old Dec 17, 2002 | 11:35 AM
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The "star trek looking thing" sounds like the heater bypass valve, which uses switched vacuum from the HVAC controls to open or close the valve.

That line should go through the firewall and into the HVAC unit.
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Old Dec 17, 2002 | 11:36 PM
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Car: 1987 Trans Am GTA
Engine: Miniram'd 383, 24X LS1 PCM
Transmission: TH700R4, 4200 stall
Axle/Gears: 9", 4.33:1
Originally posted by Odyssey
I take it you dont work on cars very much do you.... "MAF" sensor on a speed density car ? "Star trek looking thing" ? Maaaaan... And I thought my GF was bad at describing car parts!
No offense to anyone, but ROFL! :sillylol: :sillylol:
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Old Dec 18, 2002 | 07:48 AM
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From: Freehold, NJ
Car: 1991 Formula
Engine: 434
Transmission: PG
Axle/Gears: 4.33
got any pics of it? From what I understand the space thing has three outlets. 1 in, 1 out and 1 on the side.

The in should come from the manifold, (which end of the spacecraft should face the manifold?)

The out should go to the ?

and the side should go to the ?
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Old Dec 18, 2002 | 10:18 AM
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Your "skylab" piece sounds like the PEDEs valve.

And a bit of nonesense info. Skylab came back to earth and burned up back in the mid 70's (not 80's), 1974 or 1975 if memory serves correctly. Not only old enough to remember skylab, I saw it the night it reentered earth's atmosphere. Gawd, do I feel old now.
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Old Dec 18, 2002 | 12:01 PM
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From: Your neighbor's hood, MD
Car: 1987 Camaro Z28 IROC-Z
Engine: 5.7L TPI
Transmission: T5
Axle/Gears: 3.42:1
Hope this sheds some light on your trouble.
Attached Thumbnails tpi pic needed asap-1990-92_tpi_vacuum_lines.jpg  
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Old Dec 18, 2002 | 03:26 PM
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From: Freehold, NJ
Car: 1991 Formula
Engine: 434
Transmission: PG
Axle/Gears: 4.33
good pic but where is the PEDE valve? Which way does it go on? where does it go to?
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Old Dec 19, 2002 | 08:51 AM
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From: Dallas/Fort-Worth
Car: 1988 Camaro IROC-Z
Engine: 350 TPI (L98)
Transmission: T56
Axle/Gears: 9-bolt 3.45
I don't even see the PEVE valve in the picture, which one are you talking about. The only one that I see with a "P" in it is the PCV.
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Old Dec 19, 2002 | 09:01 AM
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From: Your neighbor's hood, MD
Car: 1987 Camaro Z28 IROC-Z
Engine: 5.7L TPI
Transmission: T5
Axle/Gears: 3.42:1
The heater bypass valve? I wouldn't think you would need that for emissions. That just controls wether there is collant flowing to the heater core.
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Old Dec 19, 2002 | 09:09 AM
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From: Phoenix, AZ, USA
Car: 1991 T/A - Sold (sniff) 1980 T/A Pa
Here's my 91's TPI

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Old Dec 20, 2002 | 07:03 AM
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my engine bay looks similar, but the dirty version


Last edited by MdFormula350; Dec 20, 2002 at 07:05 AM.
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