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mike1957 wrote: Bigger jet size more holes more fuel

Which was my first thought until I was looking at factory 37 jets listed on partzilla and they show the holes. It's not a huge deal if they don't work either send them back or ebay.

All we can do now is wait and see.
Steve

76KZ900 wrote: Same thing minus the holes on side of tube factory 37

My Bs-38 carbs also use the BS30/96 pilot jets (I have a ton of them) and they all have the small holes in the side, including the size 40 jets that came from the factory. I always thought those holes were supposed to be there.

After looking on net cause I'm bored at work. The ones with holes are bleed type pilot jets. Ones without are non bleed.. Some say can mix some not...so in the end .. Wait and see if they work lol like another person said.