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post #1 of 8 (permalink) Old 09-16-2019, 01:42 PM Thread Starter
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Drive shaft offset

Could you share any pics of your drive shaft offset. This would be the offset driver side to passenger side. Or does anyone know what the range of acceptable angle is. I centered my engine and trans when I fabricated my mounts and have been told my angle is to great. My kit is not here so I don't have a pic handy. I'll see if I can dig one up.


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post #2 of 8 (permalink) Old 09-16-2019, 03:58 PM
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FFR places the engine & trans off center, 1" to the passenger side.

Jeff


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post #3 of 8 (permalink) Old 09-16-2019, 08:17 PM
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Unless you've done something extremely crazy I don't see how you could get it that far off considering the tightness of the tunnel. After all I've seen some truck shafts with some very large offsets from trans to rear end and they live just fine.

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post #4 of 8 (permalink) Old 09-17-2019, 12:04 AM
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Originally Posted by Dave M View Post
Unless you've done something extremely crazy...
You obviously aren't familiar with Jim's project

Some might call it crazy---I call it pretty cool!

Jeff

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post #5 of 8 (permalink) Old 09-17-2019, 11:53 AM
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Quote:
Originally Posted by JKleiner View Post
You obviously aren't familiar with Jim's project

Some might call it crazy---I call it pretty cool!

Jeff
Well heck Jim, don't keep the rest of us in the dark.

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post #6 of 8 (permalink) Old 09-17-2019, 02:21 PM
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Jeff, after rereading the car info ( which I only glanced at quickly the first time) I see that he's running a Ford 300 6 banger w/ an AOD. That how ever doesn't explain why if he has the motor and trans centered, somebody is telling him he has too much side to side offset??? Unless said person thinks that the engine/trans and rear end need to be perfectly in line down the center of the car. I've always been told and have read that its more important to have the assemblies center lines as parallel as possible in the side to side, and up and down planes, and that offset is not an issue unless it's so extreme that the universals bind.

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post #7 of 8 (permalink) Old 09-18-2019, 11:53 AM
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Quote:
Originally Posted by Dave M View Post
Jeff, after rereading the car info ( which I only glanced at quickly the first time) I see that he's running a Ford 300 6 banger w/ an AOD. That how ever doesn't explain why if he has the motor and trans centered, somebody is telling him he has too much side to side offset??? Unless said person thinks that the engine/trans and rear end need to be perfectly in line down the center of the car. I've always been told and have read that its more important to have the assemblies center lines as parallel as possible in the side to side, and up and down planes, and that offset is not an issue unless it's so extreme that the universals bind.
I agree. As long as the center lines are parallel, offset is fine.

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post #8 of 8 (permalink) Old 09-18-2019, 03:11 PM
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Quote:
Originally Posted by jem44357 View Post
Could you share any pics of your drive shaft offset. This would be the offset driver side to passenger side. Or does anyone know what the range of acceptable angle is. I centered my engine and trans when I fabricated my mounts and have been told my angle is to great. My kit is not here so I don't have a pic handy. I'll see if I can dig one up.
The lateral angle (side to side) is the same as pinion angle. Get the lateral angle of the pinion the same as the lateral angle of the drive line. As said above, the lines should be parallel.

The drive shaft U-joint angles are important, too. In both planes, they need to be less than 3*.

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