[sictrxr]

i just bought a used ct330 motor to replace my 89 motor with a blown trans

its got about 10 hrs. on it. i race it xc and i race in a series throughout ny nj and pa

anyway i was wondering if i should tear it down b4 the season and re ring + hone or should i ride out the 10-15 races i do and rebuild after the season?

 

[lilredridenwood]

IMO you should at least open it up and inspect it, do a compression test etc... just my 2 pennys

 

[sictrxr]

does anyone know what the compression i supposed to be and does the same gasket kit from the stock cylinder fit the pro x/ct

 

[C-Leigh Racing]

A good GNCC engine you want to have somewhat high compression say 180 at least to run pump gas. You can run a higher compression than 180 & would make for a real good pulling grunt engine but you would need to use race gas. Anywhere over 210/240 compression will be surprizing how good it will pull but attention to fuel octain & ignition timming will be the rule.
Unless you know the engine real good inside, only way to be sure it will last is to pull it down & inspect it just like was already noted.

Been many championships lost because of not knowing a engine or who built it.
Neil

 

[sleepy129]

A good GNCC engine you want to have somewhat high compression say 180 at least to run pump gas. You can run a higher compression than 180 & would make for a real good pulling grunt engine but you would need to use race gas. Anywhere over 210/240 compression will be surprizing how good it will pull but attention to fuel octain & ignition timming will be the rule.
Unless you know the engine real good inside, only way to be sure it will last is to pull it down & inspect it just like was already noted.

Been many championships lost because of not knowing a engine or who built it.
Neil

Thank Neil. This helps me out with my 330 as well.

 

[sictrxr]

A good GNCC engine you want to have somewhat high compression say 180 at least to run pump gas. You can run a higher compression than 180 & would make for a real good pulling grunt engine but you would need to use race gas. Anywhere over 210/240 compression will be surprizing how good it will pull but attention to fuel octain & ignition timming will be the rule.
Unless you know the engine real good inside, only way to be sure it will last is to pull it down & inspect it just like was already noted.

Been many championships lost because of not knowing a engine or who built it.
Neil

thanks if there is no signs of bad ware can it just be re ringed or should it be done as a complete job and also does it have different top end gaskets?