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Tech / General EngineIs your car making a strange sound or won't start? Thinking of adding power with a new combination? Need other technical information or engine specific advice? Don't see another board for your problem? Post it here!
I have 83 berlinetta with a 305 in a carburetor my question is can I move the spark plugs back all one on the distributor so I don't have to pull it just to move it
the reason is my vacuum is hitting my intake
If you do that, you will have to pull the distributor out and re-install it with the rotor pointing to the terminal that #1 sparkplug wire is connected to while the cylinder #1 piston is at top dead center on compression stroke. You really wouldn't be doing yourself any favors...
As long as the firing order is correct you can put them however you need to, then get it in correct time. Usually the factory setup is just right for the vacuum advance to be in the clear though.
As long as the firing order is correct you can put them however you need to, then get it in correct time. Usually the factory setup is just right for the vacuum advance to be in the clear though.
oh that much I know lol....I think I'm a tooth off.... it's like when I retard it I am almost where I need to be but that stupid thing hits the intake
As long as the firing order is correct you can put them however you need to, then get it in correct time. Usually the factory setup is just right for the vacuum advance to be in the clear though.
as far as moving them if i move each wire one spot to get me okay so I can turn distributor counter clockwise I would move the plugs one spot clockwise correct?
Even with moving the wires, you'll have to loosen the distributor clamp and adjust the timing anyway. Pulling the distributor and resetting it one tooth is not a big deal. Keep the wires where they are supposed to be.
You'd move the wires opposite the dist. rotation change. And if you pull the dist. to line it up correct you'll have to rotate the oil pump shaft just a bit to get the dist. seated correctly.
You'd move the wires opposite the dist. rotation change. And if you pull the dist. to line it up correct you'll have to rotate the oil pump shaft just a bit to get the dist. seated correctly.
If you don't want to pull the distributor all the way out, can move the distributor 1 tooth and then rotate the engine by hand until the distributor drops down onto the oil pump shaft.
If the engine runs fine however there isn't enough room to rotate the distributor the achieve the proper ignition timing then yes.
As long as the plug wires are long enough, #1 can be positioned anywhere on the distributor providing the rest of the plugs are then installed in the proper counter clockwise rotation. Rotating the plug wires around the cap may work depending on how far out the ignition timing is. A lot of times, it's better to pull the distributor and reposition the rotor.
The way the pickup is installed inside the distributor, When the ignition voltage is collapsed to fire a plug, all the plugs would fire however only the plug wire that is lined up with the rotor will get the spark energy.
Lifting the distributor up slightly and turning the rotor may or may not work because the distributor rotor needs to drop down onto the oil pump drive. If there is enough slop between the gear and the drive, then moving one tooth will work. Generally OEM parts are very sloppy so this will work however you also risk the chance of damaging the distributor gasket which could cause an oil leak. The rotor will turn when the distributor is dropped past the gear on the camshaft. If it needs to be turned too much and doesn't line up with the oil pump drive, the distributor needs to be pulled right out so that a flat tip screw driver can be inserted to turn the oil pump drive slightly.
Before doing any changes, bring the engine to TDC #1 by looking at the timing mark on the balancer. Pull the distributor cap to see where the rotor is pointing. That's roughly where you want the #1 plug wire. If the rotor is pointed at #6 plug wire then the engine is at #6 TDC, rotate the engine one full revolution and try again. When looking at the distributor from the front of the car, the #1 plug wire should be roughly at the 5 o'clock position.
