Originally Posted By Hamwich
A much better solution than a 'pusher' fan is a SPAL fan. They mount direct to the radiator and have a very low profile.

They come in loads of sizes, the smallest is only 47mm deep. It has 5 inch diameter blades so you could fit two, one above the other.

Available from Demon Tweeks among others.

https://www.a1electric.com/spal/faninfo.htm

I have a Kenlowe on mine but I'd certainly be tempted by SPAL if I was doing it again. Loads of information on this link.

1972 4/4 2 Seater