It's not me, but I'm working on this right now. I'll take some pictures and post them tomorrow, hopefully. Working with a breeze radiator shroud and the stock fan and radiator. Unfortunately that shroud isn't quite tall enough to mount the fan completely inside it. If this were the case it would be as simple as taking the fan blade assembly off, flipping it over, and mounting the fan on the inside instead of the outside. Unfortunately I can't be that lucky. Currently, it will probably be about half and half... the fan inside, but the motor protruding out of the shroud.
I disassembled the fan (all you really need is a pair of pliers to remove the fan, and a T-20 Torx bit to remove the motor from the guard) and measured the first lip where the radial supports on the guard met the outside wall. I came up with 15 3/8" so I measured and cut that out of the shroud (first picture).
Next I notched the radial supports on the guard (seond picture) and also shaved off the little nub next to the tab to hold the chord (third picture), since it was on that same lip.
I did some math, and I needed 7/8" spacers between the mounting holes on the fan assembly and the shroud. Lowes only had 3/4" and 1" so I sanded them down until I thought I had it close (fourth and fifth picture). Those things get hot! Hence, why I drilled a hole in a 2x4, plus this kept the surface flat, unlike trying to hold them while sanding.
I used 1/4" bolts, washers on each end, the spacers between the shroud and fan, and nylock nuts. I went with the 1 1/2" long bolts, and I don't think there's enough thread to fully engage the nylon in the nuts, so I'll probably be going back to Lowes for the 2" bolts.
Overall, I like how it turned out. There will be more clearance behind the shroud now. and the fan isn't running right on the radiator either.
If the shroud had been about 1/2" to 1" deeper I could have just mounted the fan on the inside of the shroud instead, and flipped the fan to be a pusher instead of puller (marked on the fan blade assembly itself). I'll file that one away in the "mods for next time" folder.
Might have been me... I measured CAREFULLY the hole size needed. I masked off the ares of the shroud I did not want to scratch with the bottom of the jig saw. Located a fine blade for metal and started cutting. I used a half round file to get the hole smooth and also to get the fan to fit perfectly in the cutout which in my case was 15-11/16" diameter.
I did not cut, trim or alter the fan in any way with this dimension.
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Click on to --- COMPETITIONCOBRA --- user name to view build progress in ALBUMS gallery.
Last edited by COMPETITIONCOBRA; 08-20-2012 at 05:11 AM..
After thinking and playing long and hard with it over the weekend tho, an engineer buddy of mine decided that putting the fan inside would only hinder its performance.
The air rushing thru the rad. will only cavitate around the fan housing, instead of just "all being sucked thru".
Thanks for the response fellas!
__________________
Andy
"You think you hate it now, wait till you drive it!"
Ordered 11/21/2011 Arrived 1/18/2012 1st start 11/09/2012 1st Go Kart....30 mins. later
FFR#7697 MkIV base kit, AFR 205s- 408w sbf, Miller Speed front dress, Tremec TKO 600, 3.55 posi, IRS, 15" Halibrands, PS, hydroboost, & hyd. clutch
I have the same fan & shroud on my 342 stroker. Since June this year I have 8000 miles on it & the engine NEVER overheated going across the desert or in L.A. traffic.
Andrew
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Mk. II #5228 deliverd in June 04. First start & dyno in June 09. First go-cart on Sept 1 /09. Ceramic 4 into 4's and side pipes. FMS 342 crate motor! SDS injection. T-5. 4-Link. Coil overs. 13 inch Baer brakes on all corners. I've got a very understanding better half!
You could always just make a more shallow shroud if it is a depth issue you are trying to work out.
__________________ -Don
FFR6966 - MK3.1, IRS, AFR 205 headed 408w, depleted bank account, pissed off wife, friends think I'm a hermit, dreaming of driving the Cobr@ someday. My Build Site PS Footbox Mod .pdf.dwg Tire Stencils .pdf.dwg
for the record, i did want to use rivnuts / PEMstuds, but the holes for the fan were too close to the circle cutout. in my photo you can see the fender washers, i secured them into place with JB weld.
mounting the fan inside would offer a clean look. i wish i saw this earlier.
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