The summit mag says up to 91, but their is no differance between the 91 and the 92, is their? Will they fit my car? Has anyone used them? Thier the full leagth headers. How about passing emmissions with them? Weld in a o2 sensor? What about smog tubes?

Thanks, I realy want full leangth headers.

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25th Anniversary Z28

 

Yah, they will fit a 92 f-body. A lot of the aftermarket places only list up to 1991 because the Corvette went to the LT1 in 1992. 1991 f-bodies and 1992 f-bodies are about 99% identical.

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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=-

 

Get a colecter with the o2 port in it, it is a lot easier than welding one into your new headers. Flowtech carries one trough summit.

 

If not 100% ! Except for stickers that say it's a 92... LOL

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92 Z28 L98 350
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Ported and polished heads, ported stock TPI base, ported plenum, Comp Cams XR270HR-10 cam (lift .495/.502 duration 218/224 lobe separation 110), Edelbrock TES headers, LT4 valve springs, Crane AFPR, Flowmaster catback with LT1 style tips, MSD coil & wires...

"Take that auto, drop it in first, hold the brakes, stomp the gas and grin from ear to ear! :-)

 

Nope, its 99% because the throttle body plate on the TPI is different, and the dash badge is different. The markings on the speedo gauge are different too, as Ryan MacEwen found out when doing his white face gauges.

 

Thanks brothers. You are all right, no big differance between the 91 and 92.
My next question is this: are the summit headers tunned? If not are the hooker comp headers (for $130) tunned? If not, what is the next affordable header that is tunned?

Thanks

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25th Anniversary Z28

[This message has been edited by GOFASTER (edited October 18, 2000).]