apex 100 rebuild

[lilvina00]

just blew an apex. dont know how bad yet. anyone know the best place to order parts. hetricks and westcoast, apex are the only places I know

[mini racer #39]

billy holt at wrh racing

[lilvina00]

Thank you I will see what they can do for me. going to try and tear into it monday and see what exactly happened. thanks again for the info

[bignasty]

billy does good work, also shawn at snyder motorsports, and tommy alley at TA Porting also do great work.:) ;) :) ;)

[lilvina00]

tore it down. blew a hole in the piston about the size of a quarter, anyone have any ideas what might have caused this

[riding4fun]

Definitely running lean. What did your spark plug look like?

[lilvina00]

piston and plug was light brown no oil at all on them. the antifreeze had turned black what causes that?

[aaamx]

sounds like it ran hot and melted the o-ring. how did they look? bc if the color of the plug was good it may have been to high of compression caused by the water

[lilvina00]

thanks for the reply. broke the engine down and found the water pump had broke all the fins off and let it get to hot causing all my problems. going strong again