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Author Topic:   Uh Oh
posted August 23, 2004 11:48 AM
We've got some problems. trying to fire up my 350 SBC but seem to be having some problems. the timing is set to what i belive to be 34 degrees advanced (lock dist.). when trying to start the motor the engine back fires out of the carb and just will not not a mechanic so help is gratly appreciated. Thanks fella's

posted August 23, 2004 01:02 PM
Time it on the compression stroke. Pull the #1 plug, turn the motor over with your finger over the hole. When air pushes your finger out of the hole go on up to tdc mark then put dist on #1. I normally turn the dist 1/2-3/4 inch after you put the cap on and it'll crank. If not you can check for vac leaks and crossed wires.

posted August 23, 2004 01:03 PM
turn the motor over until the timing mark lines up on the balancer with the pointer. Pull the left side valve cover and make sure neither of #1 valves/rockers are moving when you do that.
Then pull the dist cap and I'd be willing to bet you're 180 degrees off on how you dropped in the distributor.
The rotor should be pointing somewhere between straight forward or towards the #1 plug/cyl but if you are 180 off, it'll be facing the back/firewall (at #6).

Hope that helps.

If you still have problems, there could be other issues like crossed plug wires, etc.


rico 08
posted August 23, 2004 01:09 PM
I usually do it like KP 'cept i pull the valve cover and turn it over till the intake closes then bring up the mark.

Tim Weiss
posted August 23, 2004 01:14 PM
Did you put a new timing chain in is it lined up right?

posted August 24, 2004 07:24 PM
Just like KP said. I did that same thing my first few times. After you get it on number one compression, set the rotor towards front of motor just to the left side a little(thats where I like #1 but you can put it where ever), set the cap on and mark the distributor housing where the terminal center is. Pull cap back off, rotate motor to desired timing and then turn distributor rotor to point to the mark on the housing. ligthly tighten hold down. Now start you firing order from the terminal marked.If you cant get distributor to drop in the exact spot you desire then pull out and get a very long screw driver and reach down the dist hole and rotate oil pump driver to alighn the dist to the spot you like. I hope I didnt screw that up. I have it in my head just dont know if it came out here right. Good luck? Oh , firing order for sbc is 18436572 just in case you need it.

[This message has been edited by eaton89 (edited August 24, 2004).]

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