IMS shaft: replace single row with double

[BYprodriver]

Originally Posted by dlud

I am in the process of rebuilding a 2002 2.7 (which has a single row ims) and wondered why the single row ims shaft couldn't be replaced with a double row shaft. Is there any reason that wouldn't work? The double has reportedly been much more reliable but I'm worried about differences in timing chain line or the dimensions or number of teeth on the sprockets.****

I have a double row IMS to do that with but you also need a different crankshaft since the chain drive teeth are different.