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S Chassis Technical discussion related to the S Chassis such as the S12, S13, S14, and S15. |
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05-11-2022, 12:49 PM | #1 |
Nissanaholic!
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Pics/Video electric power steering conversion (EPS) in s14
This isn't a write up per se, but a bunch of people were interested in the EPS conversion I did on my car and I wanted to share some pictures of the process and a video at the end.
stock s14 column stock s14 and equinox columns stripped down s14 column and shaft These are the important parts needed from the GM eps for the conversion. red arrow- splined/female splined upper steering shaft will be welded to the upper part of the s14 steering shaft yellow- section of the 3 bolt flanged tube that bolts to the motor will be welded to the upper part of the s14 steering column green- output shaft from the electric motor and corresponding splined u joint needs to be welded onto lower s14 steering shaft before the firewall you need to cut the female splined portion down below the flared area so it fits inside the steering column welding/sleeving the female splined shaft to s14 upper steering shaft upper column completed U joint that connects to the output shaft of the motor welded to lower section of the s14 steering shaft completed EPS s14 column vs stock You need to heat the duct work here and slightly deform it to make room for the electric motor installed Here is the controller I used. Super easy to do. https://www.ebay.com/itm/28439860755...sAAOSw~oNhYvX2 and where I mounted the potentiometer. You can also see where the lower cover had to be trimmed some to clear the electric motor. |
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05-11-2022, 07:21 PM | #3 |
Nissanaholic!
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It works properly with it de powered and no assist if that's what you mean!
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05-12-2022, 11:25 AM | #6 |
Post Whore!
Join Date: May 2002
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Haven't used it but, that looks like the Toyota/Nissan/Kia module that will run properly in failsafe mode (no controller) and a custom billet bracket for the lower column mount. Very trick.
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