kensval Posted September 15, 2011 Share #25 Posted September 15, 2011 I was planning on running premium fuel, which around here is about 93 to 94 octane, although it will also contain ethanol at about 15%. I will certainly see if I can find one of those timing lights. I don't mind paying for features in a tool if I'm actually going to use them. As far as timing, I'm hoping the stock 10 deg will be ok. If not, I'll either dial it back to 9 or bite the bullet and get a thicker head gasket. The engine builder seemed to think it would all be OK, and they had built a fair number of L engines for satisfied customers. I'm really hoping they were right.If all else fails, I do have a spare engine out of a 280ZX that was running fine when I bought it. I can always put that in if I need to. Link to comment https://www.classiczcars.com/topic/23205-n42-head-with-flat-top-pistons/?page=3#findComment-366510 Share on other sites More sharing options...
Lazeum Posted September 15, 2011 Share #26 Posted September 15, 2011 You should try it! worst case scenario, you could always purchase the parts required to solve the potential issue. Link to comment https://www.classiczcars.com/topic/23205-n42-head-with-flat-top-pistons/?page=3#findComment-366563 Share on other sites More sharing options...
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