2016 ACR Setrab Diff and Trans Cooler Install

[lmcgrew79]

Figured for longevity and extended track runs it was time to install a diff and trans cooler on the ACR. All coolers, fans, hoses, relays, AN fittings and thermal switches supplied by Setrab, a few fittings from summit, electrical relay from painless and i made all the brackets. Marv from Setrab was wonderful in helping me set this up and even overnighted a few parts as i figured out exactly what i needed. This is a very similar setup from the Gen 4 ACR X, except for the fans and housing, im not sure who made them for the X, and Setrab has some very nice fanpack coolers with Spal fans already attached to them. The Viper frame is a lot thinner than i had imagined, i was thinking i could tap it, but ended up using rivnuts on all holes drilled into the frame. All the pumps, coolers, and wiring block are mounted to hard rubber for vibration dampening, and all wiring wrapped with friction tape. Everything is wired to only come on with ignition and the temp sensor come on at 180 and go off at 160. The ACRx i believe is wired direct to battery and stays on after the car is shut down if needed, i figured this would kill the small ACR battery too quick and i could leave the car running if they are still on as I get to the pits. The trans pump comes on with the diff pump as there is no good way of installing a temp switch directly into the trans, as there is not port directly to the fluid. The fans come on once the fluid in the cooler hits 180 so it only runs the through the cooler until the fans are needed.

Trans note.
I'm not sure if anyone else has this problems but i know of 2 more, but the Tremec trans vent is notorious for spitting fluid, i thinks is a g-load problem not a temp problem, A call to Tremec and they will tell you just to move the vent higher, so while in there i took the original vent off and add a rubber trans cooler line vented to the engine bay up the fire wall with the pcm wiring harness, seems to be far enought from the exhaust manifolds and running it to the rear wasnt continuously up hill. At this time I've got it vented to a fuel filter but will change that soon to a breather can. There is a 13 mm bracket that holds the hard plastic line to the trans on top, if you take the bolt out the vent tub will slide off, I cut it and put the hose on with a hose clamp and bent the bracket around a socket to make it larger and reinstalled the 13 mm. I park my car on a lift and get tired of everytime i come back from the track it will drip fluid that was vented until you take the pan off and clean it all up. This only happens on track.

Going to test the car at Road Atlanta this weekend just to make sure everything is working and with no leaks. As winter is near, next year ill put a temp sensor in the diff to see what the fluid is running with and without the system turned on. Also considered taking the brackets back off and doing them in carbon fiber, not really needed but would be a tad lighter. I'll also put together a parts list and wiring diagram if anyone is interested. Contact me if interested as I can also save you on Setrab parts.









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[kriskyk]

I'm interested what's the approximate cost of this setup?

[lmcgrew79]

I'm interested what's the approximate cost of this setup?

Roughly 1600 with no brackets and 100 for the wiring block from painless.

[greygt3]

That was a great post, thank you for taking the time to show us a great setup.

[Jack B]

Relative to your comment on the trans breather, the top of the breather tube has a cap that is pushed up by a spring. It does not take much force to push the cap down. Does this mean the trans only vents under a slight internal pressure. My point is, that cap/tube can be pushed down into a possible open state due to the tight install of the 6060 in a viper. Is this causing the fluid loss?

[Topplayer]

my Trans leaks from the breather as well. Last time I brought it to the dealer they told me they would have to drop the trans and replace the breather. I elected to wait until I do a clutch.

I looked forward to your report after some miles/events to see if it worked out. I will do something similar

P.S.
Great install, looks clean and perfect. I plan to do a diff cooler in the future, after talking to the boundrant techs they basically said it was needed for any track cars diff to hold up.

[sambo32]

Very nice fabrication work, looks factory.

[Simms]

Very nice job! Looks great!

[lmcgrew79]

Relative to your comment on the trans breather, the top of the breather tube has a cap that is pushed up by a spring. It does not take much force to push the cap down. Does this mean the trans only vents under a slight internal pressure. My point is, that cap/tube can be pushed down into a possible open state due to the tight install of the 6060 in a viper. Is this causing the fluid loss?

Jack there is plenty of room above the vent, so mine wasn't being pushed down. If there is a spring it dont seem like it does much either way.

[lmcgrew79]

my Trans leaks from the breather as well. Last time I brought it to the dealer they told me they would have to drop the trans and replace the breather. I elected to wait until I do a clutch.

I looked forward to your report after some miles/events to see if it worked out. I will do something similar

P.S.
Great install, looks clean and perfect. I plan to do a diff cooler in the future, after talking to the boundrant techs they basically said it was needed for any track cars diff to hold up.

Thanks, the trans definitely don't need to be dropped, I could see dropping the rear some but still not needed as there is room to put a 13 mm wrench on the bracket and the hose just slides off.

[Topplayer]

Thanks, the trans definitely don't need to be dropped, I could see dropping the rear some but still not needed as there is room to put a 13 mm wrench on the bracket and the hose just slides off.

Do you think a replacement OEM hose would solve it?

[1of1TA1.0]

Did you use the Setrab 50-915-7612 for both coolers?

[bassplayrr]

Very impressive installation. I love the work/fitment you’ve done with the belly pan quasi-naca duct.

[lmcgrew79]

Did you use the Setrab 50-915-7612 for both coolers?

No the trans cooler is 50-610-7612 the diff cooler is FP920M22I.

[1of1TA1.0]

Thank you,

No the trans cooler is 50-610-7612 the diff cooler is FP920M22I.

[Arizona Vipers]

Great post! Do you know how much weight all this added?

[SSGNRDZ_28]

Awesome post, great job Luke. I wouldn’t mind developing a kit with wiring and fabricated brackets if there’s interest. I’ve had this in the back of my mind for a while.

[GTSilver]

Great thread Luke definitely something I'm looking for track use.

Awesome post, great job Luke. I wouldn’t mind developing a kit with wiring and fabricated brackets if there’s interest. I’ve had this in the back of my mind for a while.

Doug I'm interested for a kit from your end.

[ACR08]

I think proper cooling is one of the most important things you can do if you’re going to track your car and want to keep it in good running order. I planed to do a diff cooler, but hadn’t thought about a trans cooler until now.

I would love to see a DSE kit. My DSE catch can is so well made; it looks factory.

[Tay]

Awesome post, great job Luke. I wouldn’t mind developing a kit with wiring and fabricated brackets if there’s interest. I’ve had this in the back of my mind for a while.

Lets do it!

[Topplayer]

Awesome post, great job Luke. I wouldn’t mind developing a kit with wiring and fabricated brackets if there’s interest. I’ve had this in the back of my mind for a while.

I would be a buyer!

[SSGNRDZ_28]

Luke and I talked today. He’s spent tons of time putting this together and has done a really thorough job in my opinion so it’s just a matter of putting a kit together. The kit will make some changes from what he’s done based on what he has learned and what is required for a production version. It will be a winter project and will do my best for it to be a plug and play no-drilling solution if possible. Luke wants to get some track data on his in the spring to see how well it cools so it should be a very good package when all said and done.

In addition we brainstormed on some other ideas that will be good to do when we can.

Doug

[Racingswh]

I am definitely a buyer for this as well.

[ACRucrazy]

Doug, my “to buy from DSE” list keeps getting longer and more expensive. Thanks!

[kriskyk]

Count me in