Lotus Elan and Lotus Elan Plus 2 Forums

I may replace my Elan +2 rad with an alloy unit. I have printed out the
griffin radiator custom radiator template order form. It is rather straight
forward.

I was wondering. Should I use a down flow design as used originally? If I do
emulate the original design can I leave the outlet pipes in the exact
locations and extend the radiator width? Same thing for the radiator cap?

I could use a cross flow design with the radiator cap/header tank separate.
Dave Bean has a thermostat housing with a rad cap, temp sensor provision, and
overflow outlet. Its also used on the BDA engine and is an original Ford part
from some model. Provided it will not interfere with the hood, that would be
a nice design. Although the outlet is at an angle so you would need a rad
hose shaped like a "J".

Bob
1969 Elan +2

Hate to sound like an old fart, but I originally had a 'large' radiator and switched to the 'small' after a timing light mishap, and have run it for years with no difference in hot running. I find the biggest difference is allowing the coolant to run a bit low makes it run much hotter. I have long planned to try a larger coolant reservoir so that the level stays constant. I also have an effective electric fan[and no mechanical one] both thermo switched and with an override.





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