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what is IMO ? where i can find it ?



IMO = In my opinion. He is saying that an LD340 is a good choice


That is the problem. Not even one on eBay right now.
I repeat my experience with ordering an airgap. I had one ordered from Ray Barton and he asked me what I was running at the time and I told him an LD340. He told me to run what I have, that any improvement would be minimal and not close to cost efficient. Called Edelbrock tech and was told the same thing. says something for 'old school' technology. If you don't already have one the next best choice would be an Airgap.