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Robey5 Robey5 is offline
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Join Date: Dec 2012
Location: Motor City area
Posts: 617
FWIW - the pop-off valve was added as a stop-gap to when a CIS backfires. Not “if” …. But “when” as I understand it. If it were my car, the first thing I’d do is bust out the Dremel and clean out the hole with a shop-vac pulling as much of the crumbs and such out while ya do it. Then, I’d buy a new pop-off valve from our host, and install it with a generous amount of 2-part epoxy like JB weld (and let it sit overnight to dry).

Consider yourself lucky after this job is “done” if you have only THAT which was leaking.

In my experience, these air boxes have gotten harder to get at a reasonable price. I suppose you may be one of the lucky ones to find a metal version that someone made in the classifieds if you choose to go that route, but - keeping it simple: replace the pop-off valve with another pop-off valve for this repair.

Good luck - and lets see some pics of this repair!
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'The forever project car - 1979 911SC targa - getting it running right was a task, read about it here: http://forums.pelicanparts.com/911-engine-rebuilding-forum/722362-dads-911sc-i-am-finishing-rebuild-long.html
Other cars: 1993 Corvette LT-4/ZF6, polo green. 22 Ranger 4x4 with a couple cool things.
Old 01-08-2023, 11:58 AM
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