Project AE86: Proper Preload


Driving my 86 since the beginning of this year, I have noticed my ride has been very bouncy. During my track session I noticed it, and also happens during corner acceleration. I didn’t enjoy the bouncing, and initially thought it was because of my aggressive spring rates.


Houston streets are not smooth compared to tracks. Street driving, the bouncing gets severe to the point the car would hop and start skipping over the bumps.  There were some moments the car handling would get very unbalanced from the bumps. Street driving was not enjoyable.


I thought it was the spring rates being too aggressive for the streets but someone on facebook commented it could by preload was set incorrectly and set me this link:

This video helped me a lot and figured what I did wrong when I installed my rear suspension. I figured I’ll make another video and talk more detail about preload.

Initial impressions, and it’s a massive improvement. I drove around the city, and no bounciness. The car didn’t feel over springy. I didn’t have the bouncing on hard acceleration. The car still felt stiff over the bumps but it didn’t hop over them. The dampening seemed more smooth absorbing the bumps.


As tracks are starting to open up, I’m looking forward to another shakedown test. Stay tuned.

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