Rob, For the time being, I'm using pumpers and diaphragms that I, errrrrr... my dad bought from Griffith Specialties in the '90s. Original pumpers pop up on eBay from time to time. Knowledgeable sources tell me that you can use BDC metering diaphragms if you fill in the duckbill hole with a plug of ...

Don't worry, guys. I haven't drilled anything, yet, but this link was recently posted on another forum. It's an article from Karting World, in 1966 :

http://www.kartingarchive.com/index.php ... tail&id=91

This has been my first year as an active karter, vintage or otherwise. It's been a lot of fun getting to meet people and learn from their experience. I like to think that my rookie enthusiasm keeps everyone on their toes. (Hopefully that can be said of my questions and conversations within the onlin...

Thanks, Bob. That's good to know, too, but I did end up getting a motel room. Natalie's schedule freed up and she asked if she could come along. She's not a camper, lol.

Kurt

Got it! Thank you.

Rob and Bob,

How late can one arrive at the track on Friday and get a spot? My plans have me arriving in Fremont after 5pm.

Thanks, guys!!!

-Kurt

*I guess if Rob &Bob are busy, I'd be happy to know any anecdotal information on this topic

Oops! My mistake. I was looking in the 90A column . Carry on!

https://tillotson.ie/kits-parts/illustrated-parts-lists/ The HR parts list on that web page shows some differences between your two carbs. Not saying that's related to making either engine run individually, but I wonder how the two will run together, once you get each of them going. The carbs have d...

Spitballing...

Do you have your spacer gasket between the carb body and the metering diaphragm, and not on the wrong side of the diaphragm?

Hi, Al. I read your post and did some searches on the net. Lots of HR conversation on snowmobiling sites. I came across a thread where a guy was running lean. He eventually discovered that the inlet needle he had installed from an aftermarket kit was longer than the original inlet needle and was res...