my 77 will turn over but will not fire up? could it be the coil or the control module? any help would be apprecited.

 

Not a lot of info to try to help but I would start by making sure all your wires are hooked up correctly. The battery wire to the distributor will cause it not to fire; it says BATT on the dist.
Bernie

 

checked all wires and wires to the distributor, evrything is ok,pulled wire and put a screwdriver and checked for spark, none

 

It could be your coil or something internal in the distributor. Pull the cap off the dist. anddo a visual for something broken etc. If Everything looks good you could try a coil.
Bernie

 

stock ignition? or are you running a control module? sounds like your not getting power, or the coil is bad.

 

what does it sound like...
can you just hear it turning (cwrr, cwrr, cwrr like noise) and no firing ?

Try pumping the accelerator once, leave, and then hold it about 3/4 open for a bit whilst turning ignition...

I had that problem once.. if the below sounds like your problem, then try what I suggested above. Alles Gut

My mistake was, I usually used to pump the accelerator pedal once or twice before starting and twist the ignition. It usually fired 3 out of 5 times. Other times I either got a petrol smell or the godawful cranking from the starter. I used to let it sit sometimes 10 mins before starting her up again. There is about a 1/2 diameter piston like pump in the carburetor the squirts 2 jets of raw fuel into the cold manifold, one on each side. The way to flood it is to just keep pumping or if the choke sticks. As you hold the throttle open the linkage is free to set its self to fast idle speed and sets the choke. Now you can crank it and when it starts it should be on fast idle if you let off on the pedal as I said before you started it. Until the
choke stove warms up and a bimetal spring warms up and pulls the linkage back to a normal run speed the fast idle will be maintained until you kick it off by blipping the pedal.

This is advice I received from a true corvette expert somewhere in time, so I cannot take credit for it... hope it solves your problem.

 

I never used a screwdriver to check for spark. I will place the plug so that it grounded and look for spark.

There are basically 3 things need to fire a cylinder. A combustable, compressed mixture, a spark, and the right time to do it. When all 3 are there an explosion will occur.

Your second post makes it sound like there is no spark, so its a distibutor/ignition problem. I would double check it just to be sure you are chasing the right problem.

If for some reason you thinks it a fuel issue, just use some starting fluid. An engine will fire more easily with starting fluid versus gas.

 

I've seen this type of thing before and it was caused by a cracked rotor that was not rotating, or had been installed off the little marker point ...so the timing was majorly off. Pull it off and make sure it is indexed correctly.

Of course, it's been said already, but the illusive loose wire will get ya every time -- especially if it "looks" connected. Might be worth re-seating any connection you can ...sometimes corrosion can make a connected wire not actually connect.

Probably couldn't hurt to crank the engine with the cap off to ensure the rotor/dist is turning at all.

It could also be a pickup inside the distributor, as well as the ignition coil, but I like to start with the cheapest parts in the circuit I'm working with and go from there.

Brian.
C3nMe