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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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Old 07-21-2019, 03:48 AM   #1
Coucke_s15
 
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Need help to get JDM factory alignment Silvia S15 spec-r for the vehicle inspect :(

Hello everyone, I desperately need some help. Every year I need to go to the vehicle inspection office with my car. Everything is fine with the car except the geometry. They checked the alignment and they said I can't drive my car anymore. The only thing different with my alignment and the alignment of the vehicle inspection office is the rear camber. I'm running - 2 degrees camber on the back whilst they say I can only run - 1degree55 on the back. The alignment they use is from an Australian Nissan S15 spec-s but I drive a Japanase S15 spec-r. I've already went to the tire shop for my alignment and they can' t get my camber less than - 2degrees and also said a spec-s and spec-r has a bit of a different suspension so the alignment normally should be different. My car is bone stock for the moment and I can't figure out what to do now. I already searched the internet for days and the only workshop manual I find is the Australian S15 workshop manual but it doesn't say if it's for a spec-s or spec-r or autech version. Can someone help me to get the JDM factory alignment settings for the S15 spec-r? The vehicle inspection office wants to ban my car from the road now because they also don't have the official geometry of the s15 spec-r alignment.
This car is my dream car since I was a littke kid and I really really don't want to sell it. Btw I live in Belgium... If someone could help me, this would mean the world to me!!!
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Old 07-21-2019, 04:04 AM   #2
anthony_240
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Simple fix.... get adjustable rear adjustable arms for your car And adjust to whatever you need it at for inspection and done . Close thread


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Old 07-24-2019, 01:53 PM   #3
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just align it to what they say it should be.
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Old 08-01-2019, 09:20 AM   #4
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You can look up what the stock specifications are on alignment settings. Then take them to you alignment tech. He can put them into the alignment machine and then align your car. Should not be a real issue other then that car not being sold in your country therefore he wouldnt have it in his machine.
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Old 11-05-2019, 02:11 PM   #5
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Here's what's in the factory service manual. I wonder if the issue is really as simple as what "format" you're using for camber measurement, decimal degrees vs degrees in minutes.

FRONT WHEEL ALIGNMENT (UNLADEN*)
Camber
Degree minute (Decimal degree)
-Minimum −1°45′(−1.75°)
-Nominal −1°00′(−1.00°)
-Maximum −0°15′(−0.25°)
-Left and right difference 45′(0.75°) or less

Caster
Degree minute (Decimal degree)
-Minimum 6°10′(6.17°)
-Nominal 6°55′(6.92°)
-Maximum 7°40′(7.67°)
-Left and right difference 45′(0.75°) or less

Kingpin inclination
Degree minute (Decimal degree)
-Minimum 13°10′(13.17°)
-Nominal 13°55′(13.92°)
-Maximum 14°40′(14.67°)

Total toe-in
Distance (A − B) mm (in)
-Minimum 1 (0.04)
-Nominal 2 (0.08)
-Maximum 3 (0.12)

Angle (left plus right) Degree minute (Decimal degree)
-Minimum 2′30′′(0.04°)
-Nominal 5′(0.08°)
-Maximum 7′30′′(0.13°)

Wheel turning angle Full turn
Inside Degree minute (Decimal degree)
-Nominal 40°15′(40.25°)
Outside Degree minute (Decimal degree)
-Nominal 32°10′(32.17°)

REAR WHEEL ALIGNMENT (UNLADEN*)
Camber
Degree minute (Decimal degree)
-Minimum −0°55′(−0.92°)
-Nominal −1°25′(−1.42°)
-Maximum −1°55′(−1.92°)

Total toe-in
Distance (A − B) mm (in)
-Minimum 0 (0)
-Nominal 2.6 (0.102)
-Maximum 5.2 (0.205)

Angle (left plus right) Degree minute (Decimal degree)
-Minimum 0′(0°)
-Nominal 7′(0.12°)
-Maximum 14′(0.23°)

*: Fuel, radiator coolant and engine oil full. Spare tire, jack, hand tools and mats in designated positions.
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