7.3 timing problem
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5th Wheeling
Joined: Nov 2003
Posts: 45
Likes: 1
7.3 timing problem
i had my timing checked today and it was pretty advanced 15*. so we got it down to 8.7 and called it good, shut it off picked up and go to start it to leave and the truck runs like crap and barly idles. i put the timing half way between where it was and new and runs better. what would cause the truck to run better way advanced and not good with the timing where it should be?
thanks
thanks
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5th Wheeling
Joined: Nov 2003
Posts: 45
Likes: 1
Originally Posted by Spectramac
What kind of timing tool was used?
Mine runs great at 8+*
Mine runs great at 8+*
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5th Wheeling
Joined: Nov 2003
Posts: 45
Likes: 1
Originally Posted by PLC7.3
Oh yeah that one, so which hole did you/they put the magnetic pickup in, was a 20* offset dialed in, was the hot engine at 2000rpm steady.?????????
Post Fiend
Joined: Nov 2004
Posts: 5,638
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From: Manitoba
Turn to pax is advanced, turn to driver is retarded. 1/32" = about 4 degrees.
Did you use the upper or lower hole on the timing bracket........supposed to be upper for timing meter probe, the lower hole has a faint line next to it with an (0) there for harmonic balancer alignment with the strobe light.
Did you use the upper or lower hole on the timing bracket........supposed to be upper for timing meter probe, the lower hole has a faint line next to it with an (0) there for harmonic balancer alignment with the strobe light.
Last edited by PLC7.3; Feb 26, 2005 at 11:16 PM.
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5th Wheeling
Joined: Nov 2003
Posts: 45
Likes: 1
9
it was the upper one. wow just a 1/32 is 4 degrees. as a pump gets older will it start to retard or advance. i would think as things wear out it would retard the timing. if the timing is to advanced can that lead to damage?
Originally Posted by PLC7.3
Turn to pax is advanced, turn to driver is retarded. 1/32" = about 4 degrees.
Did you use the upper or lower hole on the timing bracket........supposed to be upper for timing meter probe, the lower hole has a faint line next to it with an (0) there for harmonic balancer alignment with the strobe light.
Did you use the upper or lower hole on the timing bracket........supposed to be upper for timing meter probe, the lower hole has a faint line next to it with an (0) there for harmonic balancer alignment with the strobe light.
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Posting Guru
Joined: Oct 2003
Posts: 2,438
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From: Monroe, WA
I just have a 'ghetto' timing setup. A diesel pulse adapter and a regular timing light. I'd be interested to see what kind of reading mine would give. Kinda like a second opinion.
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Post Fiend
Joined: Nov 2004
Posts: 5,638
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From: Manitoba
Mine gets timed ghetto style all the time with no problems.
Regarding the pump getting older and retarding or advancing if the advance ring goes bad maybe, most timing problems would be assiciated with the injectors.
Old weak injectors fire early so overall timing is earlier than original IP set timing.
Regarding the pump getting older and retarding or advancing if the advance ring goes bad maybe, most timing problems would be assiciated with the injectors.
Old weak injectors fire early so overall timing is earlier than original IP set timing.
Last edited by PLC7.3; Feb 27, 2005 at 05:20 PM.
