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Username Post: Sudden backfireing?
Bel Air kiwi 
Deceased Member RIP
Posts: 4558
Bel Air kiwi
Loc: New Zealand
Reg: 04-24-14
04-17-19 05:07 PM - Post#2764432    
    In response to HotRodg57

Hi HotRodg57, The intake manifold gasket should not drop down when the manifold comes loose.
As built these engines had a short tubular sleeve that went in the intake ports and the gasket fitted over them so it cant drop.

This isn't just an install issue. Chevy put them there for exactly this reason. They support the gasket and align the manifold.

Have a look at a manual as there is a bit more to the proper sealing of the intake/exhaust combo than just tight.
A number of alignments matter.

Cheers Kiwi
48 3100 RHD, 51 Deluxe 4DR RHD, 51 Bel Air parts car, 52 Bel Air P-Glide LHD. Others 23T, 32 Tudor, 58 Edsel pacer 4DR HDT, 79 F250 351C RHD. 69,70,82 Capri. No mobile, no TV, and no Jap cars.

"They made a desert and called it peace." Tacitus

Edited by Bel Air kiwi on 04-17-19 05:08 PM. Reason for edit: No reason given.
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