WHY DID GM PUT............
Thread Starter
Junior Member
Joined: Jul 2000
Posts: 6
Likes: 0
From: Holland/ Durham, N.C.
Car: 1990 Trans Am GTA
Engine: LB9
Transmission: 700r4
WHY DID GM PUT............
THE SMALLLER 2 1/4 INCH EXHAUST ON THE 1990 GTA LB9'S WITH THE NON G92. WHEN I INSTALL MY HEADERS SHOULD I GO WITH A 3 INCH COLLECTOR OR RETAIN THE STOCK 2 1/4 INCH COLLECTOR AND Y PIPE. IS THE 3 INCH SET UP GOING TO KILL MY TQ? ANY HELP PLEASE!
TGO Supporter
Joined: Sep 2000
Posts: 6,775
Likes: 27
From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
It shouldn't,, most of you torque,,, I belive (could easily be wrong),, is tuned more by your headers
keep in mind too,,,the more restrictive the exhaust,,,the more quiet it will be.
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<A HREF="http://anzwers.org/free/gta" TARGET=_blank>87 Firebird
84 Camaro</A>
- intelligence is learned, ignorance is universal
keep in mind too,,,the more restrictive the exhaust,,,the more quiet it will be.
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<A HREF="http://anzwers.org/free/gta" TARGET=_blank>87 Firebird
84 Camaro</A>
- intelligence is learned, ignorance is universal
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
Go with the 3" setup.
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1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-
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1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.25 @ 107.18 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
-=ICON Motorsports=-