Who's Running 4-Port Aux Fuel + Aftermarket Radiator?

[Apollo43]

IYKYK, and you probably know where this is going.

As the title states, just installed Stratified's X4tra aux fuel kit and I'm trying to replace my stock 12 year old radiator. I ordered a Mishimoto unit, which comes with the "slimmer" fan shroud, but of course the throttle body and thus the charge pipe being pushed forward an inch or so by the aux fuel spacer has the cold side charge pipe contacting the fan shroud.

Someone out there has to be running an aftermarket radiator with this or Perron's aux fuel spacer. What did y'all find works? Here's what I've considered:

1. The real issue seems to be the fan itself; I can get the charge pipe to "miss" the shroud bracket itself, but the shroud spokes are spaced far enough apart that the pipe can get to the fan between them. The fan mounted on the shroud as-intended has the fan sitting about 3/4" off the radiator itself; seems like more clearance than it needs. I've considered putting some washers between the shroud and the fan so as to move the fan back a bit and thus give it less clearance from the radiator (who cares?) but more clearance from the charge pipe. This seems a little sketchy though.

2. I've considered buying a reducer such as this to angle the charge pipe toward the block a bit more; believe it or not there's some decent clearance to angle it since the throttle body is now further from the block. A mockup of this with an existing coupler seemed to suggest it *could* work, but really relies on the aftermarket motor mounts to do their job. The could potentially introduce a clearance issue with the TMAP sensor *harness* vs the trans, but lets be real that's already a known risk.

3. Return the Mishi radiator (it has some...quirks anyway, as nice a unit as it is) and try a Koyorad with the stock shroud. At 36mm its much more clearance-friendly than the Mishimoto, but with the factory shroud being "deeper" and wider than the Mishi shroud, I fear it may just eat up the difference the thinner Koyorad radiator offers.

4. Factory charge pipe? I really don't want to go this route as it undermines the purpose of other bottleneck eliminating mods up and downstream, but if it needs to be for the time being...

I'm certain many folks have found solutions. Please share!

 

[M-Sport fan]

Would the Mishimoto shroud fit/work on the Koyorad unit at all?

 

[Apollo43]

Would the Mishimoto shroud fit/work on the Koyorad unit at all?

Good question; They probably would if the bracket mounts were cannibalized from a Mishimoto unit and welded onto the Koyorad, as the Koyorad is designed to leverage the factory shroud's clip-on attachment. But that would mean eating the cost of the Mishimoto package AND the Koyorad just to try it.

I mentioned the fan mounting to the Mishimoto shroud and still sitting a good 3/4" off the radiator; I'm wondering if there's potential for an analogous 3D printed community-driven design that combines the smaller footprint of the Mishimoto shroud but with factory style mounting capability, and that actually cuts the distance the fan sits off the radiator by roughly another 3/8" for so, further improving clearance. The high impact material would be more than suitable for dealing with underhood temps and could be modular for any radiator designed to use the factory shroud. It would probably save some weight over the other shrouds as well.

I'm by no means an expert on the limitations of 3D printing, but if SVT Design/Fab can 3D print timing covers and whatnot, I don't see why a minimalist shroud is outside the realm of possibility. I'm surprised no one has tried it yet, or maybe they have and my googling skills need work.

 

[Apollo43]

Mishi top, Koyo Bottom