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Old 01-25-2021, 08:49 PM   #4
Greg Reimer 7376
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Location: Glendora,Calif.
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Cool Re: H-I-J '76 Nova re-fit.

Re: intake gaskets-- Back in the day that I worked in dealerships,'78-80, and Los Angeles County Mechanical department and I worked on mostly sheriff's cars, the iron intakes on the 78-79 Novas and Malibu's had an iron intake and at some point they quit using front and rear gaskets on the intakes in favor of RTV. All the 80-83 Malibus were 305's, and they had aluminum intakes. They all had RTV on the front and rear of the intake. We bought the orange GM RTV in large cylinders with a nozzle and a cap, and we used a caulking gun to apply it. It took a lot of oil leak comebacks with it. Same with valve covers. The main thing after all the fly cutting and resurfacing takes place is to make sure enough material was taken off of the manifold front and rear to ensure that the side gaskets were compressed adequately to seal up properly.
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