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Username Post: c10 v8 timing issue        (Topic#357791)
Posts: 1

Reg: 08-25-19
08-25-19 11:34 AM - Post#2774006    

I have a 2nd gen chevy C10 with an HEI that is currently not starting. I think the original problem was the distributor cap which has since been replaced, however, the distributor was pulled out to test and I think it was put in incorrectly because the engine was spitting fire out of the air intake intermittently and backfiring after it was reinstalled.

I found top dead center on cylinder 1 and adjusted the distributor so that the rotor was hitting the post for cylinder 1, however now only cylinder 1 will fire.

I tried turning the cap counterclockwise to adjust the timing but so far I have only been able to get cylinder 1 to fire.

I don't think its a problem with the plugs because they were all firing before I messed with the timing and I have checked the order if the spark plug wires several times so I know those are in order. but I'm wondering what else I might be missing.

My current plan is to pull the distributor again reset cylinder 1 to TDC and then try again but I am not sure that this will actually fix the problem.
If any of you have dealt with similar problems I would greatly appreciate any light that you could shed on it.


Mel Foye 
*VIP* Original Founding Member Group
Posts: 4972
Mel Foye
Reg: 09-29-00
08-26-19 06:06 AM - Post#2774053    
    In response to cylas

The rotor should not hit the post. Also when you are aligning the rotor it should be a little b4 the #1 post.
Was the rotor correctly installed? Turn it over and check the nubs.

Valued Contributor
Posts: 3878

Loc: Eagan MN
Reg: 06-02-03
08-26-19 05:28 PM - Post#2774102    
    In response to cylas

Also make sure #1 cylinder is on the compression stroke, not the exhaust stroke... could be the distributor is 180 degrees off. Best way I found to determine this is to pull the valve cover off and watch the valves on #1 to know when TDC is on the compression stroke.

Proud owner of My Blue 62 Impala SS


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