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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


Oil Pan Install

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G3GM :: G3 Tech :: Engine & Driveline

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Oil Pan Install Empty Oil Pan Install

Post by 77mali Fri Oct 19, 2012 8:13 am

When I took off my old oil pan there were 2 steel "reinforcement bars". If I remember correctly, they were on the block surface on top of the old gasket that was a non reinforced type (very flexible). My question is now that I have a reinforced gasket, should I still be using the old bars? I've still seen them used with the new type of reinforced gasket that I have but installed on the exterior side of the pan instead. Maybe they were installed wrong previously?
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Oil Pan Install Empty Re: Oil Pan Install

Post by dragons_lair59 Fri Oct 19, 2012 9:15 am

only bars ive seen is speader bars just under bolts on top if pan its self those ya can other wise i didnt on my felpro one pcgasket
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Oil Pan Install Empty Re: Oil Pan Install

Post by pila Fri Oct 19, 2012 5:04 pm

Later 350 Chevy engines used them on the bottom side of the pan rail. My '93 Fleetwood Caddy had a Chevy engine with those reinforcement bars. They must help some, or GM wouldn't have spent an extra dime to put them on. My '93 Buick has them also.

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Post by 77mali Fri Oct 19, 2012 5:39 pm

The block I have was cast in 88 it looks like. The gasket is real floppy compared to the new one & I had to check. Thanks guys! I think the new seal is a bit thicker too where it meets the timing covers & real main seal.
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