What is the 9th injector
Joined: Jul 1999
Posts: 10,950
Likes: 26
From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Its located on the driver's side between the runners. It adds fuel on cold starts. It's only on 85-88 TPI setups.
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West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-
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West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-
Supreme Member
Joined: Dec 2000
Posts: 1,536
Likes: 0
From: Springfield, MO, USA
Car: 1986 Trans Am, 1991 Firebird
Engine: 355 TPI, 3.1L V6
Transmission: 700R4 in both
<font face="Verdana, Arial" size="2">Originally posted by Kevin91Z:
Its located on the driver's side between the runners. It adds fuel on cold starts. It's only on 85-88 TPI setups.
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Its located on the driver's side between the runners. It adds fuel on cold starts. It's only on 85-88 TPI setups.
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Supreme Member
Joined: Apr 2000
Posts: 3,187
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From: E.B.F. TN
Car: Tree Huggers
Engine: Do Not
Transmission: Appreciate Me.
<font face="Verdana, Arial" size="2">Originally posted by 86TpiTransAm:
85-87 I believe!
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85-87 I believe!
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"Education is the art of making man ethical.
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Senior Member
Joined: Jan 2000
Posts: 634
Likes: 0
From: Essex, Ontario, Canada
Can it be taken out and plugged without altering the programming in the ECM?
I think I would like to get rid of mine.
Bob
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350 TPI, 700R4(rebuilt), K&N's, MSD 6AL, Headers, Flowmaster, 160* stat, airfoil, MAF screens cut out. 13.88 @ 101.18 mph
I think I would like to get rid of mine.
Bob
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350 TPI, 700R4(rebuilt), K&N's, MSD 6AL, Headers, Flowmaster, 160* stat, airfoil, MAF screens cut out. 13.88 @ 101.18 mph
Member
Joined: Jul 1999
Posts: 407
Likes: 0
From: Stuarts Draft, VA
Car: 88 GTA
Engine: modified L98
Transmission: 700r4
Axle/Gears: 3.27 9-bolt
You could pull it and plug it without touching the ECM, but cold starts would be a lot rougher without it. You'd be trying to start the car on a leaner mixture. To effectively remove it you must upgrade to the $6E code in your ECM, that's the only way.
Supreme Member
Joined: Dec 2000
Posts: 1,536
Likes: 0
From: Springfield, MO, USA
Car: 1986 Trans Am, 1991 Firebird
Engine: 355 TPI, 3.1L V6
Transmission: 700R4 in both
<font face="Verdana, Arial" size="2">Originally posted by Red Devil:
No, '85-'88 is correct, '89 is the only MAF car w/o the 9th injector.
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No, '85-'88 is correct, '89 is the only MAF car w/o the 9th injector.
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