That set up is really neat, I like it a lot.
Has he done anything to help get the air out from under the bonnet?
The larger radiator is getting closer, I have made the necessary adjustments to the rad support to get it to fit. There is a bit of cutting and fabricating to do to squeeze it in. The bottom of the radiator is flush with the bottom of the chassis rails and the top is flush with the top of the radiator support panel. Just working on the lower mounts now then the upper mounts and fitting the intercooler.
Here's a pic during the initial fitting.
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Rad sml.jpg [ 165.77 KiB | Viewed 4068 times ]
Getting the air in doesn't seem to be the problem rather getting it out.
I want to be able to do a full tank of fuel flat out with out having any overheating issues, pit, refuel and send it out again. i don't think the 7 series radiator will handle that.
Have you thought about logging under bonnet pressure to see how efficiently the air is passing through the engine bay?
I'll be interested to see what you have come up with ducting wise.
I am leaning towards venting the bonnet but all the bonnets I have are in great condition so I have been reluctant to cut one up.
I should probably rip a mould off one and make up a CF one to hack up.