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Author Topic:   Setting Timing
flywheel
Dirt Full Roller

Total posts: 28
posted July 06, 2004 09:35 AM  
Ok, total timing is the only way to set timing for our application. Now the questions.

Do you run vacuum advance or just leave it blocked of or totally disable it?

Should we lock the distributor?

I tried setting my total advance at 36 degrees and it is just sounds and runs like it is severely retarded. I then time it by ear, smooth revs, not hard to start hot or cold, but put the light on it, it shows 55 degrees total advance. Could that be caused by a module? I have already checked the dampner to verify its accuracy.

[This message has been edited by flywheel (edited July 06, 2004).]

dirtbuster
Dirt Forum Champ
Total posts: 2007
posted July 06, 2004 10:49 AM  
No vacuum and lock up the mech advance. Thats what I would do.

You might want to double check that the pointer is lined up right and actually indicates TDC.

M1
Dirt Freak

Total posts: 257
posted July 06, 2004 03:06 PM  
I set my timing according to how my engine builder said. He made a mark that was SUPPOSED to be 30 degrees advanced. So at 3000 we set this mark to line uo with the TDC mark on the pointer. Guess what, after a few shows and one wreck, we rechecked the timing and the dist. HADNT moved, but now read 51 degrees!!!!!!!!!

The balancer spun.
we also had a modual going out in the distributor (not sure if that had anything to do with it because we havent timed it since we replaced the dist.)

Pull your lower pulley off and check how the timing mark and the key way are orientated to one another. compare it to a good one, or measure what the spacing should be at a parts store. If the one you have is off, it has probably spun. (the outer part is seperated from the inner with a rubber liner thingy) If that spun, youll never get it timed right. This is all assuming you run a stock balancer.

bigcityracer
Dirt Freak

Total posts: 431
posted July 06, 2004 04:11 PM  
Before setting timing with gun I done it by ear. The seemed to run fine ran the test and tune with no problems and good power. When I checked with a gun (timing capped off, all else was working) at 3,000 it was 55deg. So I set timing to 34 degress and car seems even better.

I would say double check the damper and set to 34 or so. Donot over advance it.

marshalr
Dirt Maniac

Total posts: 148
posted July 08, 2004 04:31 PM  
i paint lines across the face of the balancer.
Check it every week, a mis-aligned line is telling you the outer ring has turned.
Bad for engine timing, potentially very dangerous to fatal if left to come unglued at speed. It's my experience that a bad balancer will loosen the center bolt too, check it weekly as well, either a slipped line or loose bolt is cause to go HMMMM.

    

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