Rudolph Senior Member May 23, 2021 #1 With the early 40s Mercury engines with the raised intake surface around the ports, do they require a longer pushrod?
With the early 40s Mercury engines with the raised intake surface around the ports, do they require a longer pushrod?
jayvee34 Senior Member May 23, 2021 #2 There are two different length's that I know of: 8.87" for cast iron intakes, and 7.87" for aluminum intakes. Hope this helps. John
There are two different length's that I know of: 8.87" for cast iron intakes, and 7.87" for aluminum intakes. Hope this helps. John
ford38v8 Well-known member May 23, 2021 #3 No. The machined surface is at the same position. The term "raised surface" is misleading.
