Timing question - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 7 (permalink) Old 09-19-2014, 08:26 PM Thread Starter
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Timing question

Is it possible for the timing gear to jump time (enough room in the case) when replacing the IP? Or is that impossible? Reason I'm asking is I replaced my IP and now it seems I can get enough advance to make it run right. Smoke when cold runs a little rough, but with KSB "on" it runs great.

1990 Dodge 250 5.9 12V 727 auto Bone stock 256,000 miles when the odometer quit working a couple years ago. Needs paint bad, Az. sun baked it off. Afraid to re-paint it, fear it will get stolen and took to Mexico.
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post #2 of 7 (permalink) Old 10-03-2014, 04:33 PM
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It can be jumped a tooth without removing the cover.

93 W350 w/duals, fuel pin turned, 6X.018" injectors, 4" exhaust, 3" air intake horn, HX40/16, G56 /SBC Con-OFE, 307's axles' 2" skyjacker lift, B&W flatbed
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post #3 of 7 (permalink) Old 10-14-2014, 08:52 PM Thread Starter
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Ok, some say you can't and some say you can. I'm confused.........

1990 Dodge 250 5.9 12V 727 auto Bone stock 256,000 miles when the odometer quit working a couple years ago. Needs paint bad, Az. sun baked it off. Afraid to re-paint it, fear it will get stolen and took to Mexico.
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post #4 of 7 (permalink) Old 10-17-2014, 12:22 AM
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With the pump off the gear there is enough room for it to turn one tooth. Most guys that jump the timing a tooth don't pull the cover.

93 W350 w/duals, fuel pin turned, 6X.018" injectors, 4" exhaust, 3" air intake horn, HX40/16, G56 /SBC Con-OFE, 307's axles' 2" skyjacker lift, B&W flatbed
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post #5 of 7 (permalink) Old 12-17-2014, 03:18 PM Thread Starter
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Not this one. Finally rounded up a timing gauge (cheap on E-Bay) and checked it. Advanced as far as it would move against the head the IP was at .4mm plunger lift @TDC (data plate marked 1.4mm) pulled the IP and attempted to move the gear, nope won't move messed with it for half hour. Pulled the cover and found the gear was on the stock timing mark "E" advanced it to "C" rechecked it was now at 1.0mm, advanced it another tooth and now at 1.4mm in the center of the adjusting slots. Runs great. EGT down and power up. So at the end of the day if you don't have a timing gauge to see where your at you can only guess where the timing is at.

1990 Dodge 250 5.9 12V 727 auto Bone stock 256,000 miles when the odometer quit working a couple years ago. Needs paint bad, Az. sun baked it off. Afraid to re-paint it, fear it will get stolen and took to Mexico.
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post #6 of 7 (permalink) Old 12-17-2014, 08:32 PM
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With a 12 valve the timing is set with the timing plug in the gear and the gate lining up in the window of the pump.

1988 ford van fresh overhaul, 1991 nissan pick-up 1993 Caprice 2000 GMC S10 Blaser 2007 nbs 3500 GMC 4x4 crew-cab long box 17 inch single wheels Duramax Alison. BW turnover Ball. Furakawa FL35 loader. Retired, HD mechanic, worked on engines all my life. Fabricator welder. electrician. in the process of finishing my new shop. Live in Rock Creek B.C. Wife has a fruit stand.
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post #7 of 7 (permalink) Old 12-24-2014, 04:59 PM Thread Starter
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It has a VE IP uses a dial indicator.

1990 Dodge 250 5.9 12V 727 auto Bone stock 256,000 miles when the odometer quit working a couple years ago. Needs paint bad, Az. sun baked it off. Afraid to re-paint it, fear it will get stolen and took to Mexico.
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