LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Another stupid o2 question. . . .

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Old Jan 19, 2010 | 09:25 AM
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Default Another stupid o2 question. . . .

Hey, guys, hate to ask this, but im at work and cant go check now. Want to go ahead and order some o2 ext. today and not sure if ALL the LT1 cars had flat connectors. Isnt that right????
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Old Jan 19, 2010 | 09:26 AM
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and also, obviously about to do a header install, so what gaskets have y'all had the best luck with?
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Old Jan 19, 2010 | 09:28 AM
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if you poke your head up under the passenger side you will see it, i believe they all did but not positive, maybe the 97 didnt
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Old Jan 19, 2010 | 09:54 AM
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MY 97 HAS flat upstreams
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Old Jan 19, 2010 | 10:14 AM
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All pre-cat O2s had flat four-pin connectors (except for 93s), and all post-cat were square.

As far as header gaskets go, I've used the Felprop 1406s for years now without one single leak.
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Old Jan 19, 2010 | 11:17 AM
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Originally Posted by RamAir95TA
All pre-cat O2s had flat four-pin connectors (except for 93s), and all post-cat were square.

As far as header gaskets go, I've used the Felprop 1406s for years now without one single leak.
AAAhhhhh, now i see! Thanks for the input, guys! They're ordered!
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Old Jan 19, 2010 | 02:51 PM
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I took my o2 to clean them a litle and now I want to put them back. do they fit in the y pipe right away or they need some sort of gasket or ruber sealant??
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Old Jan 19, 2010 | 02:57 PM
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Originally Posted by ikaros23
I took my o2 to clean them a litle and now I want to put them back. do they fit in the y pipe right away or they need some sort of gasket or ruber sealant??
Per GM: "Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent."
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