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Old 01-14-2011, 01:11 AM
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engine wont start?

have a 63 imapala ss, 327 small block. replace intake manifold, carb, spark plugs, wires, and fuel pump. set timing to TDC no. 1 cylinder and set carb to specs for fuel/air delivery. engine will crank but will not start, have spark, and fuel. carbs spits fuel out of air cleaner when starting. what is missing to get engine to start? oil smells like fuel too.

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Old 01-14-2011, 03:04 AM
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First off, fuel gets in the oil 2 ways. Either a piston has a hole in it or the fuel pump is ruptured. Gotta fix it, fuel in the oil will quickly destroy the engine.
If it`s spitting back out of the carb it`s not timed correctly. When timing it did you remove the number 1 plug and make sure it was on the compression stroke?
Here`s how I set timing. I drop in the distributor, don`t care where. Bump it over until it drops. Remove the number 1 spark plug. Have a buddy bump it over until the distributor rotor is almost pointing to number 1. Yank the distributor. Bump it over again until it`s on it`s compression stroke top dead center. Reinstall distributor, it should fully seat pointing at number 1. The reason for installing and yanking the distributor and getting it almost pointed at number 1 was to assure it was fully seated in the oil pump drive. Snug the distributor, replace the cap, break out the timing light, fire it up and time it.
While your at it, check it for vacuum leaks.
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Old 01-14-2011, 10:52 AM
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Sounds like you are 180 off on the distributor, it has to be TDC firing plug and not TDC exhaust stroke. 4 stroke engine, remember, TDC comes around twice but is only firing once.
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Old 01-14-2011, 11:29 AM
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Quote:
Originally Posted by ericnova72
Sounds like you are 180 off on the distributor, it has to be TDC firing plug and not TDC exhaust stroke. 4 stroke engine, remember, TDC comes around twice but is only firing once.

Yes....the spitting back of fuel is the clue.....a lot of times it will shoot flames back up through carb too
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Old 01-14-2011, 03:08 PM
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I also agree it's 180 out.


Cole
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