LCGB Forums

anyone have knowledge about boring out a std 22mil carb on a 200 engine?

did it work ok?
did it improve performance?
is there a richer atomiser to use?

i dont understand how it can make a difference for the better as the inlet manifold is the same bore - smaller diameter means faster velocity and am i right in thinking arbs work better with more flow

trying to keep std looks but possible tweaks....

Local bloke to me bored out a 22mm years ago to 26mm(?) if memory serves - it went ok by the atomiser kept falling out. It was a while ago so can’t remember all the details properly . Cheers Paul

Mikedale wrote:anyone have knowledge about boring out a std 22mil carb on a 200 engine?

did it work ok?
did it improve performance?
is there a richer atomiser to use?

i dont understand how it can make a difference for the better as the inlet manifold is the same bore - smaller diameter means faster velocity and am i right in thinking arbs work better with more flow

trying to keep std looks but possible tweaks....

AF do Jetex 22mm carbs bored out to 26mm in case you didn't know.

Scooterslag wrote:Local bloke to me bored out a 22mm years ago to 26mm(?) if memory serves - it went ok by the atomiser kept falling out. It was a while ago so can’t remember all the details properly . Cheers Paul

That made me laugh

af's also bore the manifold mouth out too

hullygully wrote:af's also bore the manifold mouth out too

Indeed they do.