Short hand starting hand values?

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Let me preface this by saying that I play mostly at lower limits. Lately, I have been trying my hand at PL Omaha SnGs, and I find that I am lost preflop as far as what I should be raising and what I should be calling raises with when the table gets shorthanded. The last 3 I have played I had the chip lead when it became 4 handed and came in third all 3. This seems to be a fairly consistent theme in my PL Omaha SnGs. I just don't know how to adjust starting hand values in these situations.

I have pretty good success in NL Holdem SnGs, and I feel a lot of that is that I adjust well throughout the format.

At Omaha, I don't know what sort of hands you are looking to raise short handed. Do you start raising hands with a dangler (like KQJ5 with the 5 offsuit from everything else)? Would you call raises with these types of hands? How about heads up? What is a hand with about the average hand strength (similar to Q7o in holdem)? I am tired of getting blinded to death. Thanks for your advice.