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john montgomery (Johnjem)
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Username: Johnjem

Post Number: 20
Registered: 3-2007
Posted From: 24.34.214.231

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Posted on Saturday, May 19, 2007 - 1:01 pm:   

i just cant figure them out!my manual does brake them down<but it gets confusing!
1970 gmc 4905 8v71 8va-168950 -7087-7517
john w. roan (Chessie4905)
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Username: Chessie4905

Post Number: 557
Registered: 10-2003
Posted From: 71.58.117.21

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Posted on Saturday, May 19, 2007 - 1:40 pm:   

Here goes- in order of numbers- 7:Series 71 V engine, 08: number of cylinders, 7: application designation- vehicle FF, 7 Basic engine arrangement and driveshaft rotation ( looking at flywheel end of engine )= flywheel counter clockwise, starter on left, oil cooler on right., 5: design variation- customer spec engine, 17: specific model number. This should be a right hand engine.
john montgomery (Johnjem)
Registered Member
Username: Johnjem

Post Number: 21
Registered: 3-2007
Posted From: 24.34.214.231

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Posted on Saturday, May 19, 2007 - 2:21 pm:   

thanks john now that sounds good very good now what was confusing me is that am i standing in front of the cooling fan looking at the fly wheel or am i standing looking (at) the flywheel in front of me,do u see where i was geting confused??so as it is right now if i am (at) the flywheel and of the motor in front of me my starter is on my right looking towards my fan!
Tim (Timkar)
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Username: Timkar

Post Number: 68
Registered: 10-2004
Posted From: 24.64.223.203

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Posted on Saturday, May 19, 2007 - 6:08 pm:   

This info from powerline may help.(If you haven't seen it before)

http://www.powerlinecomponents.com/literature/detroit_diesel/v71_model_chart.htm
Wvanative (Wvanative)
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Username: Wvanative

Post Number: 13
Registered: 10-2005
Posted From: 12.207.196.225

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Posted on Saturday, May 19, 2007 - 10:14 pm:   

Tim, That is a neat site, I had not seen that one before.

Thanks WVaNative

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