Degreasing Chassis

[Bigdawgracer]

Hi All,

I had an issue at the weekend that is a new one on me....need some advice please.

Picked up a new buggy last week and degreased the chassis using ‘brake cleaner’, as I always do.
I fitted the chassis skin but it wouldn’t stick!!!!
I warmed up the second skin AND the chassis and it stuck ok, but come the second race on Sunday it peeled off mid-race.........

The servo tape under the speedo also failed so i’m wondering whether the previous owner polished (!!) the chassis or.....?!

What should I be cleaning the chassis with, petrol, thinners etc.?

Thanks for reading.