I bought a 1937 chev pickup with a 1971 292 inline 6 about 8 years ago. It smoked a bit and I could smell oil when I first got it but the guy who sold it to me said he rebuilt the engine and lump and ported the head. I pulled off the head a few years ago to pin the rocker studs and the cylinders did not have a ridge at the top and the machineing marks could still be seen on the cylinder walls, so I beleive it was rebuilt. It has embossement type valve stem seals on the intake but none on the exhaust, so I added flat o-ring seals to the exhaust valve stems. I also added unbrella seals. Well it stopped the oil smell but it still smokes. It doesn't smoke at start up but when it get to temp (110-F) it starts to smoke. I heard that after market valve covers could be the problem so I tried a vented cap, a unvented cap, removed the cap, removed the PVC and it still smokes. Compression is good 160-180 pis (it has a cam), plugs are like new after a year. Before I tear it down and put new rings in I thought I would ask this forum to see if there could be another cause of the smoke.
Last edited by Phak1; 11/12/202412:04 AM. Reason: Removed [img] link
