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I can get 104 unleaded or 110 leaded.... which one should I get and why? I dont run a cat in the exhaust....... so I should be okay with the 110 right?
Get a drum of 104 unleaded, it will be cheaper, most will deliver to you as well. Get a small barrel/hand pump and your done. The track car has been on 104 from the beginning and when we tore the motor down, the head was almost like new - very pleased with it and no WBO2 problems.