Removing The Plenum
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Supreme Member
Joined: Apr 2008
Posts: 2,342
Likes: 24
From: Dumfries, VA
Car: 1985 Z28
Engine: 334 Stroker Superram 222/230
Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Removing The Plenum
Hey guys, I had a quick question.
I need to pull the plenum off my motor in order to change out the IAT sensor and my stupid Haynes manual makes no mention of the plenum that I can find. After I remove the throttlebody, is it as simple as removing all the plenum to runner bolts and lifting the plenum up from between the runners or must one of the runners be removed as well?
Also, I am thinking the gaskets should still be good to be re-used. They are the felpro kind with the steel inserts and have only about 15k miles on them. What would your take on this be?
I need to pull the plenum off my motor in order to change out the IAT sensor and my stupid Haynes manual makes no mention of the plenum that I can find. After I remove the throttlebody, is it as simple as removing all the plenum to runner bolts and lifting the plenum up from between the runners or must one of the runners be removed as well?
Also, I am thinking the gaskets should still be good to be re-used. They are the felpro kind with the steel inserts and have only about 15k miles on them. What would your take on this be?
Joined: Jul 2003
Posts: 2,017
Likes: 13
From: Troup, Texas
Car: 1989 Camaro IROC-Z
Engine: ZZZ# 0607 of 1200 produced
Transmission: Pro-Built 700R4/Vig.2400
Axle/Gears: 3.27 BW 9 Bolt PBR Disc
Re: Removing The Plenum
Yes, it can be done that way, but I would recommend at least loosening the bottom runner bolts otherwise you run the risk of damaging those gaskets
Thread Starter
Supreme Member
Joined: Apr 2008
Posts: 2,342
Likes: 24
From: Dumfries, VA
Car: 1985 Z28
Engine: 334 Stroker Superram 222/230
Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
Re: Removing The Plenum
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Joined: Oct 2009
Posts: 405
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From: Mountlake Terrace, Wa
Car: 86 Iroc + 83 Firebird
Engine: Iroc 305 TPI, Firebird 305 4bbl
Transmission: 700r4 in both.
Axle/Gears: Iroc 3.27 Firebird 3.23
Re: Removing The Plenum
yeah I'd do it that way too. loosening the bottom runner bolts works great.
Joined: Jul 2003
Posts: 2,017
Likes: 13
From: Troup, Texas
Car: 1989 Camaro IROC-Z
Engine: ZZZ# 0607 of 1200 produced
Transmission: Pro-Built 700R4/Vig.2400
Axle/Gears: 3.27 BW 9 Bolt PBR Disc
Re: Removing The Plenum
Thread Starter
Supreme Member
Joined: Apr 2008
Posts: 2,342
Likes: 24
From: Dumfries, VA
Car: 1985 Z28
Engine: 334 Stroker Superram 222/230
Transmission: Full Manual 700R4 / 3k Street Edge
Axle/Gears: 3.90 Eaton, Moser, Richmond & More
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