The stock springs are softer than the medium springs in the kit. So maybe one light and one of the stock?
I now hate motor work more than I did when it blew.
. But maybe im overthinking it. 
And yah it's at 20 with vac plugged at idle. Around 30 iirc when I plugged it back in. I set it at 38 like that once the mechanical was done advancing.
The idle just confused me because the stock sticker on the core support calls for like 4 degrees at 550 rpm lol. But I know that was for a 305.
You set it like what? With the advance connected or not connected?
You should set it at 36 - 38 with the vacuum advance disconnected and at an RPM where it climbs no more. If you hear any pinging, back it off to 34, or 2 degrees lower at a time until it stops.
.

Around 30 iirc when I plugged it back in. I set it at 38 like that once the mechanical was done advancing.
You set it like what? With the advance connected or not connected?
I thought that's what I said I did
Either way yes that's what I did.



So....pictures?![]()




The pump sits more straight up and down, because you don't have an AC compressor above it.
Martin

I'm missing something. Why are you looking to replace/modify the P/S setup? Did something break?![]()