Quote:
Originally Posted by mdm
I read somewhere (including manuals of FRS and of other cars) that with pushstarts there is a danger of overheating/fire of the catalytic converter. I it's about unburnt fuel getting there before the engine starts running. No idea though how real the danger is.
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Quote:
Originally Posted by FRSBRZGT86FAN
Doubtful, there are many other situation where with a tune where unburnt fuel enters the exhaust stream when the engine is essentially off throttle.
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Not to mention that if you have raw fuel in that quantity pouring into your cats then the engine is going to be so badly flooded that it will not start anyway. Without starting there is no heat to ignite the fuel.
Not sure but doubt it would burn even if running though since the exhaust gases would likely deplete the oxygen to below the level required for combustion. Could be wrong on that though since I have no idea what the oxygen level in exhaust gases may be.