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I wanted a way to secure the Air Intake Temperature sensor while using the 6637 filter. I've had it tie wrapped to the master cylinder for a long time. I wanted to figure out a way to get it closer to the filter, and to shield it from heat and possible damage.
So I designed a shroud with a mounting plate, and in the base of the shroud I put in twist-lock bayonet features. So the sensor just twists in and locks, like it did in the stock airbox.
The mounting plate has strategically-located holes that align with features in the metal mesh, so four tie wraps will hold the whole thing to the side of the filter, oriented in such a way as to encourage airflow over the sensor bead.
I printed it in PET-G, which is rated to around 150F. I think it might be OK on the back side of the air filter. I've used PET-G for other parts that are near heat, with mixed results.
The irony is that after all of the time I spent designing it, I may not use it, because I was kind of planning on running a prefilter. Maybe I should just use long tie wraps that go all the way around the filter.
Anyway, here's some pics:
The part. AIT Bayonetted in. I got super lucky and had a great fit and twist-lock feel on the first iteration. Mounted to the side of the filter with a couple tie-wraps. There's holes for four. Close-up. I oriented the sensor for maximum airflow.
I’ll take two please! That’s really really cool. If it were me I might try and find a location on the inner fender next to the filter and permanently mount it. Might have to lengthen the IAT harness a bit.
Thanks for the kind words everyone. I've made a B revision, which is rotated 90 degrees. I think that orientation will work better with the harness length. It still has holes for mounting directly to the mesh, but also now includes grooves for tie-wraps that can go around the outside of a prefilter. Here's some pics of the finished print, I will post up more pics after I get it in the truck.
Installed in the truck, using tie wraps around the outside of the prefilter. This Baldwin filter seems a little bigger than the Wix one I just replaced. I don't remember it touching the master cylinder before, and there was definitely a little more interference with the hood.
Where I have the AIT sensor oriented, it is almost at the end of the reach of its harness.
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