New Aluminum Coolant Overflow Tank
3 Attachment(s)
Let's face it, the factory RX-8 Air Separator Tank or AST being made of plastic leaves a bit to be desired. They have become brittle with age which often causes the cap to snap off or the tank to split causing leaks. This can empty the RX-8's cooling system very quickly causing overheating and potentially serious engine damage.
Our new unit is a direct bolt in replacement for the OE plastic unit and is compatible with completely stock (as shown) or with modified vehicles as well. During the design process we eliminated the annoying issue of the OE unit which allows coolant to overflow down and corrode the electric power steering system and fan connectors. These units are hand made here in the US and include a new radiator cap with a safer flip up style pressure relief. To better suit your specific application and goals these are available with several additional options as well. V-1 The basic model is a high quality tig welded replacement. This unit does not include a level sensor however by simply leaving the OE connector unplugged the dash light will remain off. V-2 This model is the same as V-1 but includes a coolant level sensor providing normal dash light operation. V-3 This model includes the level sensor and is ideal for those looking to reduce engine temperatures. It includes our cooling fan control kit built-in which will significantly reduce the operating temperature of your RX-8! V-4 This model incorporates our cooling fan control kit as well as a coolant level sensor and also includes an additional tig welded bung. This is to allow the addition of a aftermarket coolant temperature or coolant pressure sensor to the cooling system! No more splicing into heater hoses! Here is a link to the Air Separator Tank on our website. Installed pic's: |
Looking good, Scott. Can't wait to see it in person. I think this will help dress up the engine bay as well
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Glad to see a option other than the factory plastic piece that gets brittle and can't remove factory coolant hoses.
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1 Attachment(s)
Originally Posted by BigBadChris
(Post 4774880)
Looking good, Scott. Can't wait to see it in person. I think this will help dress up the engine bay as well
Originally Posted by gregs
(Post 4775341)
Glad to see a option other than the factory plastic piece that gets brittle and can't remove factory coolant hoses.
For those of you that have already purchased a unit from us, thank you, we appreciate your business and support! These are in stock guys, ready to be configured to suit your application and shipped! |
Hi Guys! We just finished another run of our Air Separator Tanks! Keep in mind these are not prone to the coolant level sensor issues of the OE unit! In stock and ready to configure for the options you prefer and ship!
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Hi Guys,
We have just finished up another build run of these so they are in stock and ready to ship! Feel free to purchase them through the website or email us directly: Sales@RX8Performance.com |
Just finished up another build run of these guys, summer is upon us don't wait for the OE plastic unit to fail and create more costly issues! If you pick V-3 (the most popular version) you will also significantly reduce your engine operating temps!
Let me know if you have any questions, thanks, Scott |
You got any of these bad boys in stock? I'm just waiting on my tax return and I'd love to pick one up once the cheque comes in. If not, what's the lead time, and you're still shipping to Canada, right?
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Originally Posted by bwilk
(Post 4855770)
You got any of these bad boys in stock? I'm just waiting on my tax return and I'd love to pick one up once the cheque comes in. If not, what's the lead time, and you're still shipping to Canada, right?
Your timing is quite good as we just finished a build run of these and there are a few left not yet spoken for! Which version are you interested in? Yes, we still ship to Canada and the rest of the world as well! |
Thank you Bwilk, email and order received! Thank you, Scott
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Originally Posted by RX-Tuner
(Post 4856524)
Thank you Bwilk, email and order received! Thank you, Scott
RX8Performance Air Separator Tank |
This is the one from Pettit Racing that I have in my RX8 . Is this the same part folks?
AST Spec. A Kit RX8 |
Similar but not the same. The RX8Performance unit is a different shape.
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Originally Posted by gwilliams6
(Post 4858610)
This is the one from Pettit Racing that I have in my RX8 . Is this the same part folks?
AST Spec. A Kit RX8 Now that I actually looked at the Pettit offering, it's designed with the overflow nozzle on the same side as the RX8Performance offering. That and it's specifically said in the description here that the nozzle is pointed the way it is for a reason. I'm sure I read that at one point, but it's been a while since I actually looked at it, so I didn't put it together when writing my review |
Hi guys
Thought i would try to get in touch with someone from RX8 Performance on here as my emails are being ignored I would really appreciate some sort of contact considering I have purchased an AST from your website 3 weeks ago |
Hi Rotorboy!
Please send an email to sales@RX8Performance.com so I can check your order for you! Thank you, Scott |
I ordered one also online about 2 weeks ago, no shipment, no communication. I have emailed and no responses...only thing holding up a car getting finished as I'm installing a rebuild and don't wanna have to break open the coolant system again just to do this.
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Originally Posted by e-dub
(Post 4864831)
I ordered one also online about 2 weeks ago, no shipment, no communication. I have emailed and no responses...only thing holding up a car getting finished as I'm installing a rebuild and don't wanna have to break open the coolant system again just to do this.
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No sure who the email was sent to but the AST was delivered.
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Originally Posted by RX-Tuner
(Post 4872406)
No sure who the email was sent to but the AST was delivered.
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Originally Posted by thew
(Post 4872854)
Are you still offering these ?
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great product!
beers :beer: |
Just ordered the CFCK - Sensor tank. Hopefully you guys still got some left.
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let us know when you hit bottom
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How long is the current wait time to get one of these shipped out? Would like to get my car up and running ASAP. Thank you
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I ordered one on February 19th 2020. I emailed them and recieved this message. I'll update when I recieve mine.
This is the email I received. "Yes we do still make these on a regular basis and I see your order. It’s currently in process" |
Originally Posted by Robert Southard
(Post 4911840)
How long is the current wait time to get one of these shipped out? Would like to get my car up and running ASAP. Thank you
this was the email I recieved back asking if they still made them. "Yes we do still make these on a regular basis and I see your order. It’s currently in process" |
Aluminum overflow tank
Yes,I’d be interested in one of those too,just waiting to get my syncrosaver sent first before an overflow tank.
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Thank you, Hopefully you get it quick.
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Is rx8performance still making the aluminum overflow
Are these overflow bottles still available? Haven't seen any updates on this thread for awaile & no response on email.
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I have had this complete closed system kit from Pettit Racing since 2017 and love it, but it seems they are sold out of them.
Pettit Racing Aluminum AST Spec. A Kit RX8https://pettitracing.com/collections/rx8/products/aluminum-ast-spec-a-kit-rx8https://cimg9.ibsrv.net/gimg/www.rx8...38c894426e.jpg |
Originally Posted by northzone
(Post 4982371)
It's a great high quality unit, but the lack of internal baffles (like the stock unit has) means that you'll get a low coolant warning as the sensor coolant-starves under high G or elevation changes, since the coolant just sloshes around from one side to another. |
how about now i still need to pick one up.. The fourm changed hands so i no longer get any emails when you reply.. TY
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Found it as Spec B now.. Not sure what is missing from your Spec a setup..
But they seem to have it in stock. https://pettitracing.com/products/al...spec-b-kit-rx8 $349.00 its 100 bucks less if you just want to replace the Expansion tank only . https://pettitracing.com/products/al...spec-c-kit-rx8 $249.00 |
Installed mine a while back. (Along with a number of upgrades.) Works great.
https://www.rx8performance.com/products/ast |
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