Vacuum on distributor Problem. - Team Camaro Tech
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post #1 of 14 (permalink) Old Aug 10th, 03, 12:01 PM Thread Starter
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When im adjusting my timing/distributor, the vacuum cannister is hitting the intake.

So i wonder if it is possible to just "move" the cables one "click" counter clockwise and the rotate back the distr.cap so the cables ends up in the same position but the vacuum cannister is away from the intake?
I have drawn a picture from my mind:


This must be easeir that to pull up the whole thing and jump a teeth on the gear, or im i out and bicycling?


(and yes, i also have vacuum lying on the distributor, and i cant get it away from there, i've tried a vacuumcleaner, but it did't work)

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post #2 of 14 (permalink) Old Aug 10th, 03, 01:28 PM
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Sure, No problem at all. [img]smile.gif[/img]

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post #3 of 14 (permalink) Old Aug 10th, 03, 01:33 PM Thread Starter
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Okey, thanks.

I thought it would be best to ask before, so there ain't some hidden "feature" in there that won't work after the swapping. [img]smile.gif[/img]

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post #4 of 14 (permalink) Old Aug 10th, 03, 02:07 PM Thread Starter
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Oh!!

Forgot one other thing. That vacuum canister...

I pulled of the dist.cap and had a look at the canister to see if i could just move it a bit. And then i saw a flat rod thing that seemed to go into the canister on the rear of it. And i tried to push it in, but i could not move it at all. Or should it be that hard or even be able to move? If it is that it's stuck, then this could be my problem i have with the car. It runns good sometimes and mostly it runs like s**it. Im going to try to use a timing light again tomorrow and see if i can figure it out how it's working.(Im totally green on this kida stuff)

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post #5 of 14 (permalink) Old Aug 10th, 03, 07:16 PM
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Uh... Problem No.1: your distributer turns clockwise. No.2: Your firing order should be 1-8-4-3-6-5-7-2. Make sure - normally - your No. 1 cylinder should be at approx. 5 o'clock when viewed from the top. As far as changing all your wires, one position ... not a problem.

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post #6 of 14 (permalink) Old Aug 11th, 03, 12:32 AM Thread Starter
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Hi

Yes the Rotor is turning clockwise, not the cable swap im going todo.
And the numbers on the distributor pic is just 1-8. And the rotor don't even care about the fireing order, it just rotates. [img]smile.gif[/img]

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post #7 of 14 (permalink) Old Aug 12th, 03, 03:54 PM
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Number 1 generally points toward cylinder 1. In your drawing, number 1 is pointing straight forward. Generally it should point to where you have #2 labled. But beware that you're firing order is way off. TSJ has the right info. In general though, you can index the distributor any way you like so long as the timing and firing order are correct.

-dnult

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post #8 of 14 (permalink) Old Aug 13th, 03, 01:17 AM Thread Starter
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Regarding the drawing, the numbers are just there to mark the order to move/rotate them.

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post #9 of 14 (permalink) Old Aug 15th, 03, 12:46 AM
 
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regarding your vacuum 'canister'

if you hook up a vacuum pump to it, or just draw on the hose with your mouth as hard as you can, you should see that rod move. it is attached to a plate inside the distributer and turns it to advance the timing.
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post #10 of 14 (permalink) Old Aug 16th, 03, 10:10 AM
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And when you release the suction, you should hear it click back into position.
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post #11 of 14 (permalink) Old Aug 17th, 03, 08:23 AM
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You can move the cables as the others said, but IMO the right way to do it would be to move the distributor. Just get the #1 piston up to TDC on the compression stroke (look at the timing marks on the dampener) then pick up the distributor and drop it back in with the rotor pointing toward the #1 cylinder. Then put your cables back on so #1 is at the 5:00 position (pointing towards the #1 cylinder). This should get your distributor vac advance can pointing to the right spot.

Just my opinion.

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post #12 of 14 (permalink) Old Aug 17th, 03, 08:30 AM Thread Starter
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Eric.

And when i do that, it might be an idea to rotate it 180 degrees too. because my TDC mark is at the BDC mark on the timing tape.

Luckely i bought a timing light that is able to read the timing so i could verify that is was 180 degrees off. And thats why there was a mark marked with a black marker pen on the opposite side of the original damper mark. [img]smile.gif[/img]

To bad though, my timing tape was really expensive, $16.00, just a piece of sticker. Grrr.

And another thing. I dont have to relocate it for that reason it hitts the intake. Because when the vacuumcannister is against the intake, i have about 24 degrees timing. [img]smile.gif[/img]

I guess thats too much of initial, now when my new vacuum is working.

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post #13 of 14 (permalink) Old Aug 17th, 03, 05:37 PM
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Your tape may not be off. Make sure both valves are closed (on the compression stroke, on cylinder one.)when your harmonic balancer is at "0" or TDC. Your crankshaft will rotate twice for every one rotation of the cam and distributor. You may want to start over and install your dist. correctly to begin with. The vacuum advance can. shouldn't hit, if the dist. is in right.

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post #14 of 14 (permalink) Old Aug 17th, 03, 06:58 PM
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Things are much simpler when the distributor is installed correctly; there are 13 teeth on the distributor drive gear, so having it installed one tooth off will move the can position 28 degrees in the wrong direction. Re-install it correctly and index the wires in the cap with the #1 wire in the next tower clockwise from the "window", and the can will be in the correct position. The vacuum advance (the "flat rod thing" you mentioned) PULLS on the breaker plate (towards the canister) when vacuum is applied to the canister.

When the distributor is out, make sure the "dimple" below the drive gear teeth points in the same direction as the rotor tip; if the gear is installed 180 degrees out (backwards), that will put the rotor 1/2-tooth out of phase, which will put the housing position another 14 degrees away from its correct location too. Lots of people don't know this (it isn't in any Chevy manual) and inadvertently install the gear backwards when they re-shim the shaft. [img]graemlins/thumbsup.gif[/img]

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