mobythevan Posted March 22, 2003 Share Posted March 22, 2003 I bought a 73 240 with a L26 engine in it. The car was in totally unknown state when I bought it. This is the first L engine I have worked on. So I go the engine running, first found that the dizzy timing was off by a tooth or two. Fired up with a lot of noise on top end. Checked valve adjustement, still lot of noise. Pulled the head and found that the valves have been hitting the pistons. It showed 120lbs compression in this shape. Looks like the previous guy had the valve timing wrong. Doesn't look like any damage was really done. I think I'll clean up the tops of the pistons and put it back together and see if the compression comes up with the correct valve timing. What do you guys think? Quote Link to comment Share on other sites More sharing options...
David K Posted March 22, 2003 Share Posted March 22, 2003 You should be ok. The only way of finding out if any real bad damage was done is running it like normal after you fix it back to stock specs. Quote Link to comment Share on other sites More sharing options...
RB26powered74zcar Posted March 22, 2003 Share Posted March 22, 2003 To me, the best way to be sure you don't have to pull the head again and change the bent valves, (if any) is to take it down to a shop abd have a vacum pulled on the ports to make sure they are not bent Quote Link to comment Share on other sites More sharing options...
mobythevan Posted March 22, 2003 Author Share Posted March 22, 2003 I found a good running L28 engine for $200. I think I may put that in instead of messing with the L26. I"ll think it over for a couple days. Quote Link to comment Share on other sites More sharing options...
slownrusty Posted March 23, 2003 Share Posted March 23, 2003 Mobythevan - Where in CO are you? Yasin Quote Link to comment Share on other sites More sharing options...
mobythevan Posted March 23, 2003 Author Share Posted March 23, 2003 I am near Calhan, east of Colorado Springs about 20 miles. Quote Link to comment Share on other sites More sharing options...
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