69427
The Artist formerly known as Turbo84
Had the '69 up on the lift doing some fit measurements for the replacement radiator crossmember supports (aluminum), and kept noticing the big open space where the spare tire used to be. While kicking around ideas to cover up that big gap I got to wondering about a rear radiator. I'd love to move about 35# of radiator and coolant weight (and possibly a portion of the radiator support structure weight) off the front axle and place it on the rear. There looks to be a decent amount of space back there to put a good size radiator, and the biggest fitment issue looks to be the routing of the coolant lines in the axle areas. An electric fan would be necessary, along with a bit of (aluminum) sheetmetal ductwork to direct some air to the radiator. As much as I'd like to think that there's minimal air (and lift) under the car with the low ride height I have, I have to think there's probably a bunch of air moving under the car at speed. Currently I have all the front grill area blocked off, and the radiator is getting its air from the two factory cutouts underneath the outer grills. With this configuration, the engine never overheats, even in 101* track days (and hopefully won't with slightly higher ambient temps at the rear of the car). The radiator would be lower than the engine, but the expansion tank should still be able to allow air to burp out of the system.
So, my main question here is have I neglected to consider any issues that would prevent this system from working? I've got plenty of other issues to deal with in the near term, but my ADD keeps distracting me with other possible projects.
Thanks!
So, my main question here is have I neglected to consider any issues that would prevent this system from working? I've got plenty of other issues to deal with in the near term, but my ADD keeps distracting me with other possible projects.
Thanks!