Wiring A 58 Chevy 235 Silicon (RTV) is NOT. Neither is oil, water or grease. Guide the head down with installation studs or cut off head bolts. Failure to do this will probably cause a head gasket shift, not good on a 1/8" overbore. Use a light oil on the threads. If the bolts go into the water jacket as on the late model Chevy 194 - 292 You should use a sealer.
Wiring A 58 Chevy 235 The first full flow oil system for a Chevy 6 cylinder was introduced in 1958 with a new 261 design. You can read all about it HERE. This was the first time ALL of the oil was sent through the filter. Meanwhile, the bypass system that is the only system available for the 216/235 engines only send about 18% of the oil through the filter.
Wiring A 58 Chevy 235 Such is the case with the charging system. Our C20 Apache still uses a 12-volt/35-amp generator that was common from 1958-1962 Chevy cars and trucks. For 1958-1962 Chevrolet vehicles with air conditioning, a 35-amp generator was used, but trucks were work vehicles and often void of any creature comforts.
Wiring A 58 Chevy 235 In 1941 Chevy introduced the 235 inline six to it's line of heavy duty trucks, which was later carried over to passenger cars to compliment the new Powerglide transmission. Improvements like hydraulic lifters and full pressure lubrication helped the 235 earn the name "Blue Flame" in 1950.