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09-17-2007 06:09 PM #1
Vaccum advace can hitting intake???
I have a 355 with a high rise intake and a hei dist. with the chrome vac.adv. can on the dist. With the motor at tdc i'm on 4 deg. on the timing tag but I need to be at 8 deg. but I cant get it there because im hitting the intake.
Any Ideas?
When looking at the motor from the front counterclock wise is advace right?
Thanks
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09-17-2007 06:34 PM #2
sounds like you are one tooth off
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09-17-2007 06:44 PM #3
If I move it one tooth will I have to change my plug wires around?
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09-17-2007 07:03 PM #4
no you wontYou don't know what you've got til it's gone
Matt's 1951 Chevy Fleetline- Driver
1967 Ford Falcon- Sold
1930's styled hand built ratrod project
1974 Volkswagen Super Beetle Wolfsburg Edition- sold
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09-17-2007 07:17 PM #5
Originally Posted by Nuckollsinc"PLAN" your life like you will live to 120.
"LIVE" your life like you could die tomorrow.
John 3:16
>>>>>>
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09-17-2007 07:26 PM #6
move them all clockwise?
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09-17-2007 09:07 PM #7
I take it counterclock wise?
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09-18-2007 03:09 PM #8
I tried moving the wires both ways and neither would run the motor. Was I supposed to keep the dist. in the same place as it was before I moved the wires?
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09-18-2007 03:30 PM #9
If we're talking SBC move the wires and the dist. both CCW.Ken Thomas
NoT FaDe AwaY and the music didn't die
The simplest road is usually the last one sought
Wild Willie & AA/FA's The greatest show in drag racing
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09-18-2007 03:47 PM #10
OK, let's get this over with
If you DON'T pull the distributor out:
The wires will have to stay virtually in the same position regarding the engine, because the rotor isn't moved either. So only the dizzy needs to be turned. If the vac can is hitting the intake you won't be able to turn the dizzy CCW, only CW will go at all. Turning the dizzy CW will retard your timing by twice the degrees you turn the dizzy because the rotor in the cap only turns once in two engine turns. If you're now on exactly 0 degrees and want to be 8 degrees advanced you'll have to turn the dizzy an eighth of a turn CW minus 4 degrees, making it 41 degrees of turning the dizzy. Then all cables should go one terminal CCW. Like this you have changed the position of the vac can by 41 degrees, which should get it away from the intake, but the position of the cables has only changed by four degrees, cable length shouldn't be an issue then.
If you DO pull the dizzy:
Distributors are a bit fiddly to get back in, because the oil-pump drive shaft needs to lign up with the end of the distributor drive shaft AND the cogs on dizzy and cam need to mesh. You see at once that you've got it wrong if the dizzy flange stands out about an eighth inch above the intake. When the dizzy is out you'll have to take a long screwdriver and turn the oil-pump drive shaft by a couple of degrees CW, not by much. Then you have to wobble the dizzy back in, dizzy AND rotor will now be at a different position regarding the engine, so you wont need to rewire. Doing it this way is more of a mess and takes longer but can be the cure of too short wires with some wire-sets or if you're using looms because you can change the position of the wires regarding the engine, which you can't if you don't pull the dizzy.
I hope I got this one right. No doubt I'll be corrected if I'm wrong...Harharhar...
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09-18-2007 05:19 PM #11
I quit using the long screwdriver routine a long time ago. Too much trial and error. I pull the distributor part way out, slide it over a tooth, drop it back in, then bump the engine over with the starter or a breaker bar until it seats. Then I bring it back around to TDC. Saves a lot of hassle.Jack
Gone to Texas
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09-18-2007 07:41 PM #12
I pulled the dist. out just far enough to move it one tooth and went back in great so I have now pleanty of room to play with.
Thanks All
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