Had temporary blow by problem 283

An old 283 (290?) 4bbl in a 65 pick up had bad blow-by / ran very rough last fall with some gray smoke out the oil cap (not antifreeze). Next spring it
ran great after sitting all winter, except the rear seal is now blown due to blow by it seems. Any idea why the problems would go away? Dave
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
DaveF opined in

RUST in cylinder... did you mean 289?
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
Yeah, meant 289. Not mine, can't recall 290/289. There was a swap out ran it occasionally that summer before it blew. Some valve noise too. Don't know where engine was- rust could be from air cleaner/carb work or someone put a head on a planter. Engine ran OK for 2 months. It works now think we'll run the crap out of it on the driveway so seals wont leak and see if worth fixing seals.

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.