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| LS4 / F40 swap - fieroguru (Page 133/216) |
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Rickady88GT
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MAR 07, 10:46 PM
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Do you have a pic of the engine/oil pan side of the AWD system?
Maybe you could run a shaft out through the "front" side via a shaft from the opposite direction (forward rather than rearward)? From the pinion? Use the stock case and push the output shaft through the front from the pinion.
A custom pinion might be easier and cheaper than a custom housing that would essentially do the same thing.
But then, You may have something in mind that is similar or better.[This message has been edited by Rickady88GT (edited 03-07-2018).]
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fieroguru
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MAR 07, 11:35 PM
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There are 3 issues with that approach.
1. A custom pinion is likely about $5K. The custom case is probably $500 in materials and 40 hrs of machine work for me.
2. The output shaft would end up passing through the support shaft for the AWD ring gear (See first picture below).
3. The oil pan side is curved with no good/strong way to add the pinion housing to it, especially given the loads that the pinion housing will see.
 [This message has been edited by fieroguru (edited 03-07-2018).]
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Rickady88GT
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MAR 07, 11:49 PM
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| quote | Originally posted by fieroguru:
There are 3 issues with that approach.
1. A custom pinion is likely about $5K. The custom case is probably $500 in materials and 40 hrs of machine work for me.
2. The output shaft would end up passing through the support shaft for the AWD ring gear (See first picture below).
3. The oil pan side is curved with no good/strong way to add the pinion housing to it, especially given the loads that the pinion housing will see.
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I wish I had one in my hands to help, but.....
Sorry, I can't tell from the pics, but I am sure you have a good point.
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fieroguru
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MAR 08, 12:10 AM
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Rickady88GT
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MAR 08, 07:35 AM
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| quote | Originally posted by fieroguru:
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Ok, so let's see if I get this right.
The red cap is a splined female output shaft for the rear wheels. That output shaft is the acual pinion gear. IF you were to be able to push the male drive shaft all the way through the pinion, would it come out the other side, or would it interfere with the ring gear shaft?
I can't tell from just the pics, but typically the pinion is not on the center line of the ring gear, they are usually just over center or under center.[This message has been edited by Rickady88GT (edited 03-08-2018).]
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RacerX11
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MAR 08, 12:25 PM
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Is the same transfer case used for the manual and the automatics?
Marty
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fieroguru
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MAR 08, 08:51 PM
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| quote | Originally posted by Rickady88GT:
The red cap is a splined female output shaft for the rear wheels. That output shaft is the acual pinion gear. IF you were to be able to push the male drive shaft all the way through the pinion, would it come out the other side, or would it interfere with the ring gear shaft?
I can't tell from just the pics, but typically the pinion is not on the center line of the ring gear, they are usually just over center or under center.
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Correct, the red cap is the output shaft connection point and the pinion gear.
It would run right into the support shaft for the ring gear. Here is another picture where I circled the bearing support for the ring gear is in the side case and put another line where the support shaft goes. If you correct for the angle of the picture the pinion and support shaft will intersect and interfere with each other.
| quote | Originally posted by RacerX11:
Is the same transfer case used for the manual and the automatics?
Marty |
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I "think" the cases are very similar if not the same, but the passenger side jackshaft that passes through the AWD unit has 2 different part numbers between the Auto and Manual and I suspect the difference is in how far it protrudes past the mounting flange for the AWD unit to the transaxle.
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Trinten
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MAR 09, 05:54 PM
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"auto or manual"? I must have missed something somewhere, but that sounds like there is an automatic AWD transmission out there that is transverse?
If you figure out how to make that work (auto-AWD in the Fiero).... you know I'll gladly be inline for that. 
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dskebo
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MAR 09, 06:25 PM
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Yes there is. GM 4T65E AWD I have 1 it was for a Pontiac Aztec AWD 2004 model. The pto is on the end where the differential is
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fieroguru
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MAR 09, 08:36 PM
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| quote | Originally posted by Trinten:
"auto or manual"? I must have missed something somewhere, but that sounds like there is an automatic AWD transmission out there that is transverse?
If you figure out how to make that work (auto-AWD in the Fiero).... you know I'll gladly be inline for that. |
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There are lots of transverse/auto/AWD setups... just about every crossover SUV on the road has this setup.
Here is the Saab version witth the auto... the issue is everyone of these points the output shaft to the rear.
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