H.E.I. Distributor ? - Team Camaro Tech
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post #1 of 6 (permalink) Old Feb 3rd, 03, 01:24 PM Thread Starter
Tech Team
Join Date: Apr 2002
Location: colton CA USA
Posts: 80
Hey guys, I have a question on my HEI distributor. I recently took it out and rebuilt it. My question was is it possible to be off a tooth or so when installing the distributor? The reason I ask is that I installed my distributor with the piston 1 on TDC on the compression, or fire stroke. I also set the distributor shaft that comes out of the oil pump with the notch pointing to cylinder 5. Anyhow the car started up fine, and I set timing at 8 degrees btdc required by comp cams. I did notice though that one of my hoses going to the vacuum advance can ,barely hooking up . The hose seems to have shortened, but i did not cut the hose or anything. The car runs good and sounds fine. Thanks a lot.
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post #2 of 6 (permalink) Old Feb 3rd, 03, 06:32 PM
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Matt Jones
Join Date: Jan 2002
Location: Renton, WA USA
Posts: 2,765
It is possible, yes, but usually you'll notice by the different phasing (distributor turned to a different direction than usual).

Matt Jones
1969 Base Camaro
Vortec 355, Perf. RPM, Demon Carb., TH-400
All sheetmetal is NOS GM
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post #3 of 6 (permalink) Old Feb 3rd, 03, 07:54 PM Thread Starter
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Join Date: Apr 2002
Location: colton CA USA
Posts: 80
I think that is what happened. My distributor is about 1 to 2 inches out of place from where it was I think anyways. I had marks on the firewall and distributor. Anyhow can this affect timing etc. My car seems to be running fine. Initially I did hear a backfire through the exhaust, but that was because my timing was below 8 degrees. Once at 8 degrees it was ok.
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post #4 of 6 (permalink) Old Feb 3rd, 03, 09:57 PM
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Join Date: May 2001
Location: Ashby,MN, USA
Posts: 8,305
if the timing shows correct with the light, then it's correct. if it bugs you, you can lift the distributor up until the teeth disengage and turn the rotor while pushing it back down and move it a tooth (with the engine off, of course)and then use a timing light to reset the timing.

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post #5 of 6 (permalink) Old Feb 4th, 03, 04:03 PM Thread Starter
Tech Team
Join Date: Apr 2002
Location: colton CA USA
Posts: 80
Yes, my timing does set up at 8 degrees below tdc. And it runs fine, I just thought it was wierd how the distributor set up in a different location, and still ran. Thanks for the help guys.
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post #6 of 6 (permalink) Old Feb 5th, 03, 10:39 AM
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Join Date: May 2002
Location: netherlands/waddinxveen
Posts: 1,114
heres something i learned from my dad:
"If it isnt broke, dont try to fix it"

in other words: it runs fine so keep it that way
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