B28 Vacuum advance can
 

Looking for a new/nos “B28” vacuum advance can. These were listed under several different part numbers, most commonly known is the VC1810.

Pic for reference.

Thanks!

If you are looking for a correct specification can, use this......

https://www.corvettecentral.com/c2-6...5%26count%3d17

This can is fully deployed at 8hg like the B28?

Yes, I had checked it before installing. I'll add to that, I checked on the part number located on the box (as CC is buying it from someone else) and it was available from Rock Auto. I ordered a couple more just to have as I tend to work on these cars. Those did NOT deploy at 8". Just the one from CC

Tim

Tim, thank you for the info. I went ahead and ordered one. I ordered a WVE 4V1053 from RockAuto, which they lost as a replacement for a B28 and it does not fully deploy until 13hg.

What part number did you purchase from RockAuto?

Cannot remember.....

I have a B28 still in box I grabbed before they became extinct if your still looking

Here's a couple good reads on the Vac can subject with cross references if you were not aware:

https://www.crankshaftcoalition.com/...ance_Specs.pdf

https://www.corvetteforum.com/forums...post1590683061

PM sent

Info from WELLS
 

[email protected]

Tech Data on 4V1053 avail via Rockauto

This Solved my Idle problems per the Tech paper above.
I selected the (B28) since it Met the "Rule of 2"

Installed today and tested collected tuning data. Because of my Howards Cam

MECHANICAL FLAT TAPPET AMERICAN MUSCLE CAMSHAFT; 1965 - 1996 CHEVY 396-502 (MARK IV) 1800 TO 6500 HOWARDS CAMS 127192-14

I was getting Poor Vac signal at idle in combination with a sedate vac can (B1 from a L35) caused VERY poor idle in Drive.

B28 Solved this concern, Runs Great on Full manifold Vac signal taken by "T" off the choke pull off pot hose.