weber frozen butterflies

[bob joyce]

is there a special treatment to free up the shafts on weber 40
they have been soaked in pb blaster and corrosion x for a long time and no movement.

[Scott A]

Maybe try a little heat

[1QuickS]

Sorry to say this but shafts may have corrosion that pretty much locks them in the bearings. I have removed quite a few that required cutting and milling to remove the accessible shafts and throttle valves followed by driving the shaft remnants out of the bearings.

[bob joyce]

thanks for the reply's
I expected the worst due to siting in a field for 40 years and water marks in air box and "white" fluffy electrolysis deposits
one carb is way beyond saving and the other i bielieve falls into your worst case example
I will just keep moving forward
May I ask you opinion on the Spanish Weber IDA that are very available.
You may respond by private message if that is suitable.
thank you
bob

[1QuickS]

Webers with seized shafts and white corrosion are best left alone unless they are matched to a chassis of historic significance.

A customer send a new set of Spanish 46IDA3C Webers for me to disassemble, rebuild & test run. I was surprised by how nice they were. I now refer those seeking Webers for a project to buy the Spanish Webers since they are good quality and cost effective compared to buying used Webers and having a service provider re-manufacture them. I posted my observations in another thread on this site.

I have also heard from a handful of service providers I trust that have been pleased with the new Webers.

The Spanish 46IDA3Cs were copied from the earliest version with a progression pattern developed for the Carrera 6, 2-liter engines with 42mm main venturis. Later 46s revised the progression pattern to be a bit more suitable for less highly strung engines.

My understanding is if you buy from Pierce Manifolds they will re-jet the Webers to your specifications, otherwise you get generic jetting which is most likely inappropriate for your engine.

[bob joyce]

Thank You for your reply
Great referral to Pierce in Hollister I have known of him but now I will focus on his service.
It would be nice to have that solution
50 years ago there was a guy in Novato The 914 Shop that did my solex for my 911 and they were so simple to dial in and ran perfectly.
I would not mind having that kind of an experience again
thank you
bob

[bob joyce]

arrived today from Hollister..