Nitro Engine Ebay Score OS .21 RG GO .25 AE .28 Pro team associated electronics Dynamite pipe

I picked up this box is Nitro engines on ebay for $120. I wanted something bigger for my truggy. I'm not racing so I don't need anything fancy. I actually like restoring these old engines.

https://www.amazon.com/gp/product/B01MQ0KTWU/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B01MQ0KTWU&linkId=53a0f515d42123ef838548e2e634f5e5