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30 weight high detergent was recommended back in the day. Modern oils are much better today, if it's been rebuilt, a quality 10w40 will work great. If this is an older motor, I would stick with the 30 weight.
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Does the 350 CID small block Chevy motor have the oil fill tube in the intake manifold?
No. That would usually be a 283, 307, or 327.
What could be causing a severe catastrophic oil leak oil pouring out above the oil filter of a 283 Chevy small block?
oil gallery plug not installed or a bad oil filter bypass valve
Where do you install the oil pressure gauge on a Chevy 350 small block?
how to install the oil pressure gauge on a Chevy 350 small block
Where is oil sensor on 350 Chevy?
The Original small block Chev 262, 283, 302, 305, 307, 350 and 400 all had the oil pressure sender under the distributor at the rear of the engine between the two valve covers.
How do you tell a 283 from a 350 small block Chevy?
A 283 doesn't have a harmonic balancer, so that's a quick way to tell right away. Also, 283's don't have accessory bolt holes on the ends of the heads. The valve covers on a 283 don't have a filler cap. Oil is added through a long tube sticking out of the intake manifold.
Will a 1968 big block Chevy oil pump fit on a 1968 small block Chevy?
Yes it can, you will also need the big block pickup tube
What is the recommended engine oil for 1977 Chevy small block?
10w-40.
What are the torque specs for a small block Chevy oil pump?
45 lbs.
How many quarts of oil does a Chevy 400 small block take?
5 quarts, same as all the rest of Chevy small blocks
What oil viscosity does a Chevy 400 small block take?
generally 5w 30
What size thread for oil sender above oil filter on small block Chevy?
1/4" NPT
Where do you hook up oil gauge on a 283 small block?
There is a 1/8 NPT threaded hole on the rear rail at the back of the block. There is also a 1/4 NPT plug just above the oil filter.
