Intake Runners to cylinder block gaskets

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Infinitiguy19
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Joined: Sat Dec 22, 2007 4:58 pm
Car: 1993 Infiniti Q45 188580 Miles
1994 Infiniti Q45a 240000 Miles

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Why are the runner gaskets (metal gaskets) for the 1994-1996 Q45's $22 and the ones for the 1990-1993's $80?!?!?

Can one re use those gaskets? I had a spare set that I sold to someone, it was a used set.


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Q451990
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Car: 1990 Q45 - 118K, 2022 Toyota 4 Runner, 2004 Frontier M/T - 108K, 2012 Xterra (Mom's), 2023 Rogue (Inlaws)
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Same deal with the injector subharness... I wonder if the 90-93 style had a new production run of parts, and were re-priced based on the new cost?

Heath

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Infinitiguy19
Posts: 7787
Joined: Sat Dec 22, 2007 4:58 pm
Car: 1993 Infiniti Q45 188580 Miles
1994 Infiniti Q45a 240000 Miles

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I plan on pulling the plenum on my car this year just to do some cleaning and learn from it. I know I will hate it! But I am confused on whether the lower runner gaskets need to be replaced or not. A former NICO member DAEDAULS says no. But another current member says yes...So which is it?

Also does anyone have a complete under plenum list for a 1993 Q with TCS or should I make my own? I need to compare the hoses I have (from 200X) to the hoses I need to get.

N/A Q45
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Joined: Mon Nov 12, 2012 4:26 pm
Car: 94 Q45

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Could more than likely just use that copper spray that's used for cometic head gaskets, I've never had a problem when using that copper spray, if it will work on a head gasket pretty good chance that it will work on the steel intake ones but I have yet to try it on them so I don't know for sure.


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