Differential Swap - minor details
#1
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Differential Swap - minor details
So I'm going to swap a 2002 3.9 Torsen into my 1.6. I have a 1.8 driveshaft and 1.8 (1 piece) axles.
1) Can I reuse my 1.6 driveshaft -> diff BOLTS w/ the new 1.8 driveshaft?
2) Can I reuse my 1.6 PPF bolts?
3) Is the 1.6 nut on the axle (hub) compatible w/ the new axles?
4) Is there ANYTHING (and I mean anything) else minor I'm overlooking? Or can all the 1.6 bolts be reused w/ this swap?
Sanks.
1) Can I reuse my 1.6 driveshaft -> diff BOLTS w/ the new 1.8 driveshaft?
2) Can I reuse my 1.6 PPF bolts?
3) Is the 1.6 nut on the axle (hub) compatible w/ the new axles?
4) Is there ANYTHING (and I mean anything) else minor I'm overlooking? Or can all the 1.6 bolts be reused w/ this swap?
Sanks.
#2
1) Im told the driveshaft bolts from the 1.6 are smaller in diameter and dont actually fit. However I didnt get this memo and ive been running the 1.6 bolts for a few months now without any issue.
2) PPF bolts are the same, no need to change them.
3) Nope, the axle nut on 1.8 is bigger, get a pair from rock auto.
4) minor info, the nut on the 1.6 hub is a 29mm IIRC and is a pain to get off. get something bigger than 1/2" drive or you WILL break the tool(s).
Keep in mind this is info I gathered when I did a '99 open diff to my 1.6.
2) PPF bolts are the same, no need to change them.
3) Nope, the axle nut on 1.8 is bigger, get a pair from rock auto.
4) minor info, the nut on the 1.6 hub is a 29mm IIRC and is a pain to get off. get something bigger than 1/2" drive or you WILL break the tool(s).
Keep in mind this is info I gathered when I did a '99 open diff to my 1.6.
#9
I am using 1.6 driveshaft bolts on my 1.8 torsen. The bolts are technically too small in diameter, but properly tightened they are fine. As y8s said when we did the swap, the bolts are there for clamping force and under proper torque should not see any shear force. I have put a ton of shear torque through mine since and they are holding up fine.
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