I used a -1 pan in the Chevelle......the engine is raised slightly......and there is very slight contact at full travel.....but....It's not enough for any concern......I ordered a -2 pan (they were back ordered at the time) and it came in after I already had the engine back in......after reading about it as I remember there were some windage tray issues so I was uncomfortable swapping it out in the car........so....I left the -1 in.........
Ken
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