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-   -   46mm Weber jetting for a 3.2 (http://forums.pelicanparts.com/911-engine-rebuilding-forum/343483-46mm-weber-jetting-3-2-a.html)

gumba 04-26-2007 08:46 PM

46mm Weber jetting for a 3.2
 
I'm converting my 3.2 to 46mm Webers & crank fire ignition. Anyone with a similar set can tell me their carb set up?
venturies:
main:
air correctors:
Also total advance on the ignition. It's a Electromotive HPV-1.
I'm using SSI's and sport muffler for the exhaust.
I'll fine tune it with an LM-1, I'm looking for a basic set up to get going.
thanks.

Steve@Rennsport 04-26-2007 09:02 PM

Hi:

I can make some suggestions but I need more information,...:)

Cams???

Compression ratio???

Using 91 octane gas???


Once I have all that, I'll offer some suggestions.

gumba 04-26-2007 09:29 PM

Hi Steve,
It's a stock '86 US 3.2, using 91 ocatne.

Steve@Rennsport 04-26-2007 11:25 PM

I'd start with:

38mm venturies
160 main jets
180 correctors
60 idles

Make sure the fuel pressure is at 3.5 psi and the float levels are PERFECT. :)

For the HPV-1:

You need to be conservative since that 91 octane gas is marginal in hot weather. Use no more than 30 degrees total and around 18-20 degrees at 3K. Less is More when using CA pump gas,.....

gumba 04-27-2007 06:28 AM

Great, thanks.


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