6 X F19 tubes have been shipped from carb.deals on Ebay. 

They are shipping from the Czech Republic.

I highly recommend Carb.Deals. Great service, selection, pricing, and quick shipping:

Here is their store front:  https://www.ebay.com/str/CarbDeal?_trksid=p2047675.l2563

 

 

 

Edited September 6, 20186 yr by 240260280

That's who I've used too! I agree, great service and prices. Thanks again for sending those.  

I put the 65F9 idle jets back in and afrs are leaned back out at cruise and looking good. 

 

Great!

E tubes showed up today! What setup should I go with on them? Stick with 160/215? 

Use a 165 main to be safe. That will give a ball park. If a/f starts to go over 14 then stop run and go bigger on main.

 

Good luck! Fingers crossed this will change the shape!!

Broke one of the 165 mains when trying to insert it? ... got a new one on the way. 

Great.  This one is worth waiting for!  It should hopefully shed light on the elusive E tube workings.

Got the F19's in with 165/215.  Drove it last night and didn't have a chance to get a log, but under WOT the AFR's were way lean....like 15's at 5K. 

Wow that is significant.  Don't go too high in rpms if it starts to lean out.

Looked last night and 165 is the largest main I have. I could try a 185 or 175 corrector to try to richen it up. 

You could also lower the air corrector. 

 

It does seem strange for the large jump as the tube design seems to promote more air than fuel.

Yeah decreasing the air corrector is what I meant above....215 is in there now.....I have a 185 or 175 I can jump down to.  I'll try to get one of them in tonight.