Thread: 87 350 Questions

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i have a 87 350 out of a suburban.the first thing i noticed is it had a external oil cooler. the adapter under the filter i took off. the filtter area is not threaded for a filter.the adapter is bolted to the block with two bolts. i guess i put pipe plugs were the lines were? the inside of the housing looks like it has a check valve in it ,with a spring .is there any thing i should know about this? also theres a nipple coming out of the block were the oil filter goes,and thats were the oil pressure sender is,theres also another oneat the back of the block bhind the intake.wich one should i use?and one more guys...on the left side of the block ,dead center just above the oil pan is what looks like a giant oil sensor ,check valve looking thin,what is it?any body answer these questions?

hello, anybody there? i really could use help guys.the block number is 14193638 and the heads are 14102193. thanks

Originally posted by S19243H
i have a 87 350 out of a suburban.the first thing i noticed is it had a external oil cooler. the adapter under the filter i took off. the filtter area is not threaded for a filter.the adapter is bolted to the block with two bolts. i guess i put pipe plugs were the lines were? the inside of the housing looks like it has a check valve in it ,with a spring .is there any thing i should know about this? also theres a nipple coming out of the block were the oil filter goes,and thats were the oil pressure sender is,theres also another oneat the back of the block bhind the intake.wich one should i use?and one more guys...on the left side of the block ,dead center just above the oil pan is what looks like a giant oil sensor ,check valve looking thin,what is it?any body answer these questions?

I would use the port right next to the distributor.

The thing that looks like a giant oil sensor on the side of the block is the knock sensor....usually on the passenger side. You can remove it and put a plug in the hole if you dont have a knock sensor wire.

For the oil cooler, you can remove the adapter and install a regular Chevy oil filter adapter in the block....go to the Chebbie dealer and he will sell you the oil filter adapter, an o-ring and two bolts for about $10. DO NOT leave the cooler adapter in place and plug the two lines.....kinda slows down your oil flow.

3952301 Oil Filter Adapter
This adapter mounts a spin-on cartridge oil filter. It contains a filter bypass valve.

Technical Notes: Use with 5.7L High Output engine assembly. Requires two attaching bolts P/N 3951644.

thanks guys for all youre help greatly appreciated