Quote:
Originally Posted by ojman873
How do these deposits build up? Are there means to prevent or correct it without physically disassembling the head and/or rebuilding it? Is the problem unique (or uniquely worse) in Hondas?
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From what I have read, it seems it is a large side effect of idling too often. For how most people drive on ecomodder, it might be a fair idea to loose mpg once every 2-3 months and drive a bit harder on the car (freeway for example) to help clear out the engine.
Seafoam helps a TON with carbon build up.
Back on the main topic, I gained a WAI effect with my grill block, but prior to the last part of the block (lower) I sealed the hood and installed an upper grill block. I have no belly pan yet. Engine temps went from 202 to about 213-220 and intake temps went from about +5F over outside temp to around +50, not quite as hot as some WAIs, but still it is warmer. I notice no ping or timing changes via scan gauge, just a MPG increase and lower engine loads
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