Driveshaft angles
Thread Starter
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New User
Joined: Apr 2016
Posts: 8
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The car hade another motor and transmission originaly, it was the previos owner that changed it.. So i dident feel sure about the angles before the lowering either, thats why it wasent messured before.
Been in contact with spicer, and this is there response to my setup -
"Please see engineering comment below and attached calculation *
If I follow your layout we get
+1.5 + 3.5* - *4* = 1 degree so OK"
I get this to when writing the angles in there calculator..
http://spicerparts.com/calculators/driveline-operating-angle-calculator
As i understand it, spicer wants the first shaft with a small angle (1-1,5) down from the trannsmision, then have the pinion match the first shaft angle. And in that case i am quite close as i understand it, just 0.5 degress of on the pinion!?
Been in contact with spicer, and this is there response to my setup -
"Please see engineering comment below and attached calculation *
If I follow your layout we get
+1.5 + 3.5* - *4* = 1 degree so OK"
I get this to when writing the angles in there calculator..
http://spicerparts.com/calculators/driveline-operating-angle-calculator
As i understand it, spicer wants the first shaft with a small angle (1-1,5) down from the trannsmision, then have the pinion match the first shaft angle. And in that case i am quite close as i understand it, just 0.5 degress of on the pinion!?
Logistics Pro
Joined: Jun 2003
Posts: 3,919
Likes: 271
The VIN number will reveal what engine originally came in the truck.
If the truck did come with a C6, the perches are correct. The trans crossmember should be ok. Take an angle finder and measure the engine angle where the oil pan bolts to the block. Mirror this same angle for the pinion yoke.
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Logistics Pro
Joined: Jun 2003
Posts: 3,919
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Also, make sure you have the correct trans mount. I don't know if manual and auto used the same mount. Jeff or Bill can answer that.
Once you determine the engine has the correct perches and the trans mount is correct, mirror the engine angle at the pinion.
Once you determine the engine has the correct perches and the trans mount is correct, mirror the engine angle at the pinion.
Hotshot
Joined: Mar 2013
Posts: 14,255
Likes: 199
From: Phoenix, Az.
68/72 F100/250...360/390...(4X2) with M/T..C5TZ6A023H crossmember (replaced by D5TZ6A023A then D6TZ6A023A)and C5TZ6068A mount.
68/72 F100/250...360/390...(4X2) with A/T..C8TZ6A023A crossmember and C6TZ6068F mount.
Logistics Pro
Joined: Jun 2003
Posts: 3,919
Likes: 271
You called it Bobby. They are different. Including the crossmember. I don't know what is different about them. On the mounts it could only be the bolt pattern. The saddle retainers that go from bolt to bolt over the tranny mount for breakage protection are also different. On the crossmember it could be something minor so OP can use what he's got with shims or whatever.
68/72 F100/250...360/390...(4X2) with M/T..C5TZ6A023H crossmember (replaced by D5TZ6A023A then D6TZ6A023A)and C5TZ6068A mount.
68/72 F100/250...360/390...(4X2) with A/T..C8TZ6A023A crossmember and C6TZ6068F mount.
68/72 F100/250...360/390...(4X2) with M/T..C5TZ6A023H crossmember (replaced by D5TZ6A023A then D6TZ6A023A)and C5TZ6068A mount.
68/72 F100/250...360/390...(4X2) with A/T..C8TZ6A023A crossmember and C6TZ6068F mount.
Thread Starter
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New User
Joined: Apr 2016
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It has a bolted crossmember, so it has at least been taken of som time before, or mayby swaped along with the transmission.. The mount is correct for the c6. Do any of you know what angle you got on your first driveshaft?