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Old 05-03-2012, 01:08 PM
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How to remove heat shield from intake manifold

Hello guys,
I need some explanation here.
I have 70'SBC aluminum intake I need to clean. There is heat shield I need to remove (see the picture). Is this metal parts rivets or bolts or screws?
I can grind them but how to reinstall heat shield after that?

Thanks for the help,
Ivo
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Old 05-03-2012, 04:13 PM
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Use a sharp, gradually tapered 1/4" chisel to get up under the edges of the rivets (you might need to grind a chisel down to get the best tip. Don't grind until red hot or the temper will be lost). The rivets I've seen have spiral "splines" on them, so they tend to turn as they come out.

You should replace the shield after cleaning, you can tap for screws or peen/stake the holes to reuse the original rivets (use locktite).

New rivets can be bought, check eBay (click on image below) or Year One, etc.

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Old 05-03-2012, 09:52 PM
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I've always used a set of large sidecutters to lift them out, works really well.
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Old 05-04-2012, 07:18 AM
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horshoe nippers

a pair of horse hoof nippers that both sides are sharp or a pair of tile nippers(smaller) that are sharpened work and are usefull in other places.
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Old 05-04-2012, 12:41 PM
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Thanks for replies.
I removed them with chisel and hammer. It was easy.
Thanks for the help, perfect as always

Ivo
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