Re: fuel pressure?
The specs are for a stock Holley 885 carburetor. If you are running a Strombeg 97, you may need a regulator. The manual for the 49 to 51 Merc lists 3.5 PSI with 7 inches HG @ 1800rpm minimum and 4.5 psi with 9 inches HG @ 1800rpm maximum but it doesn't specify any difference between the vacuum assist type pump and the plain 8BA type pump. The Lincoln pump is also listed but they don't identify it as being any different for test purposes. The fuel pump section was not updated after 1949 so there were likely no changes for these years that they felt worth revision.
|