Hard start when hot
I have a 360 with a mild cam, Edelbrock 750 on a Weiand intake. After running the intake gets so hot it is vaporizing the fuel in the runners and carb. I have a heat spacer already, but it is bad. When I stop, if I take the aircleaner cover off it looks like fog coming out of the carb.
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Are you sure the cooling system is in good order? also check and make sure the engine timing is set correct. |
Also check to make sure your not over fueling or flooding everything.
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What are you using for fuel, e10, e15 or regular unleaded? Fuel evaporation is a problem with the Edelbrock carbs especially when alcohol fuels are used, the alcohol evaporates faster and at a lower temp than gas.
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OK, after reading a bunch of posts on this issue, I bit the bullet and pulled the intake off, blocked the exhaust crossover, and sealed everything really well. I went back to the 600cfm carb, set the timing at 21/36 and some fresh non-ethanol gas. Things are looking up. I suspected I had a vacuum leak at an intake port, thus causing a rough idle and erratic vacuum. It turned out so. The vacuum is much better at 15 and fairly stable for a mild cam. And the hard start issue is much better.
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