Yes.. gaps at the curved radiator.. where it comes up the back.. and.back front between the rad and fan and corners... nooooo.. I did not fill in any gaps.. holes etc in the heat exchanger... thank you for your concern... I don't know how to get a link for a photo.. I could e mail you some if you like... wonder why we can't do pictures on here ?
My e mail is... [email protected].. there I can do some picks...
Thank you my friend... richard

