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Author Topic: A Timing  (Read 565 times)
Rick 74 MC-8
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« on: July 08, 2013, 08:02:10 AM »

I remember reading but I don't know if there was a definitive answer. Is there an easey way to check to see if a 8v71 is A timed. My engine I believe is A timed with  n65 Brown tag injectors. I can make it smoke at will at almost any rpm. The rack was run about a year ago

 Thanks Rick
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luvrbus
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« Reply #1 on: July 08, 2013, 08:33:36 AM »

A timing was never intended to be used with a 4 speed that was a truck setup for 10 speeds works well there
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Utahclaimjumper
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« Reply #2 on: July 08, 2013, 09:10:02 AM »

 "A" timing works well by cranking up the governor to 2400-2450, keep it spinning to minimize smoke and maximize pulling power.>>>D (RPM will also keep the fan speed up to control heat build up)
« Last Edit: July 08, 2013, 09:19:58 AM by Utahclaimjumper » Logged

Utahclaimjumper 
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Rick 74 MC-8
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« Reply #3 on: July 08, 2013, 11:01:33 AM »

I'm happy with the performance. Im not sure if it is A timed. Was wondering if there is a easy way to check.

Rick
 
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bevans6
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« Reply #4 on: July 08, 2013, 12:34:53 PM »

The book shows a method wherein you pull an injector and measure the cam lift at TDC or something similar.  It sounds like a pita, involves a dial indicator with a very long probe.  If you are really interested I can copy it to you.  If your injectors are timed at 1.484 it is probably A timed, if it is timed at 1.460 it is probably S timed.

Brian

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1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
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eagle19952
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« Reply #5 on: July 08, 2013, 03:49:58 PM »

incase you wish to know....7E65 injectors have built in Adv, C/S Timing.... Grin
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