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Old 02-17-2021, 12:40 PM   #1
mhgreen
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Default Exhaust manifold rattly heat shield

The heat shield that involves what used to be the warm air intake system rattles and is annoying. Is the shield itself protecting anything? Once the warm air intake system has been dismantled can I safely remove the shield that bolts into the manifold?
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Old 02-17-2021, 12:49 PM   #2
Dan
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Most people do
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Old 02-17-2021, 12:53 PM   #3
Acke
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B230? Yes, it can be removed.
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Old 02-17-2021, 02:06 PM   #4
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^ sorry. Yes B230. I was about to take it off there and just wanted to double check. My '86 never had one so I was fairly confident it was okay. I just removed it, 3/4 bolts came out fine, one broke off but whatever no harm done
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Old 02-17-2021, 03:21 PM   #5
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My b21f parts motor doesn't have one from the factory. Mounting bosses on the cast iron are non-existent
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Old 02-17-2021, 03:43 PM   #6
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I sandwiched mine with fender washers.
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Old 02-18-2021, 09:02 PM   #7
2turbotoys
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Ripping that off is one of the first things I do to a 240, can't stand rattles from useless parts.
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Old 02-19-2021, 01:28 PM   #8
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Later models don't even have it. I removed it from my 88 765 Turbo more than 10 years ago.
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Old 02-19-2021, 02:31 PM   #9
go240go
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Lucky. Smog in CA requires the heatshield installed with warm air hose attached to airbox. I've failed visual inspection in the past because of this, for a 1987 240.
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Old 02-19-2021, 03:24 PM   #10
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Ive always removed mine without issue...that i know of.

We are lucky in NC i dont even need to inspect my 85 any longer. My 93 passes but they pretty much just make sure the lights and horn work.
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