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Old 11-23-2008, 08:24 PM   #1 (permalink)
Join Date: Apr 2006
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Timing IH 301 diesel, 715 combine

Does anybody know how to set the timing on an IH 301 diesel with a Roosa Master fuel injector pump?

We reinstalled the pump after having it rebuild. Runs good but we just guessed at the timing setting.



'95 C1500 Extended cab 175,000 miles
Engine - L56 6.5L Turbo
Transmission - MT1 4sp Auto HMD THM R2 4L80-E
Rear Axle - G80 limited slip, GU6 - 3.42 ratio, swapped out for 3.08 ratio
Tires - 265-70/R15
Gutted out Air Plenum
Ventelated the C converter
Boost fooler, 5K POT set at 1.5K ohms
MPG 3.42 gears - 21 freeway, no load, 65mph or less (summer), 19 mpg City
18 - 19 mpg at 65 - 70mph hauling 600lb load
MPG 3.08 - 20 mpg city, freeway (70 mph) 600lb load 22.5 mpg
Heath remote mount PMD
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Old 11-23-2008, 09:05 PM   #2 (permalink)
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Join Date: Nov 2008
Location: Taylorsville, KY
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Should not be too different than my 706 with a Rosa, find your TDC specs set #1 to that from the balancer or flywheel and then loosen the injection pump and turn it until the 2 marks line up in the viewing port, one is fixed and one is on the spool, if it is still out of time borrow a Diesel pulse timer(works like a timing light but gets it's signal from fuel pulses instead of spark) you can also find a lot of knowledge on yesterdaystractor.com good luck

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