Huge RC car eBay score Mugen Ofna XRAY for $164.30 truggy bubby micro nitro

I saw this on eBay and tool a chance. I wasn't sure what they where but I recognized the ofna logo on the Nitro engine. The XRAY 1/18 micro nitro is pretty unique. All there engines were locked up with gum. I have them free now. I have individual videos coming up about the issues with each car. The engines on the 1/8 scale are ofna force .28. I look forward to getting these back on the road.

RC car bible
https://www.amazon.com/gp/product/B008H0UCKI/ref=as_li_tl?ie=UTF8&tag=fintechcomm0f-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B008H0UCKI&linkId=7bc16bb30f8118a0ef6540a5bed262e5