Idle, Idle Surge, Timing Adjustment and heat...

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Originally Posted by asshanson

Get a stock fan with shroud and install that. The little single slim fan probably isn't flowing enough air at low speeds. I know my single slim fan did nothing compared to my stock one.

This ^^^ Also, make sure your fan is coming on.

Set timing at 5* when warm, then adjust your idle down.
(make sure the ECU is grounded when you set your timing too)