M42 radiator swap help

[Sagaris]

M42 radiator into car with late model M20B25 cooling system




Hose 13 on the original M20 cooling system connects to the bottom of the reservoir. What do I do about this hose if I run an M42 radiator?

Here is the M42 setup (comparable hose is #4 in this diagram):




I would guess that I would take the stock M20 hose, add an elbow or connecting piece, then add a length of generic cooling hose to reach the M42 reservoir.

Just wondering if an off-the-shelf part works for this.


Also the correct part number for the top radiator hose that works for this would be excellent if anyone knows it.

[ZM Blue Devil]

Did this on our touring. I forget which piece but one hose is cut and other hose is from euro engine set up.

Frank did a write up.

Not very helpful I know. Not by computer or at shop or I could do better.

[Sagaris]

Bump. I am putting my engine back in this weekend and would like to get the right hose ordered rather than scrounging the parts store for something that only kinda-sorta fits.