Radiator Coolant Recovery Tank
#1666502
09/02/14 12:01 PM
09/02/14 12:01 PM
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Joined: Jan 2003
Posts: 5,443 Indiana
YO7_A66
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I am looking at adding a coolant recovery tank on my 70 Challenger. I have been looking at what is available through Dorman and I found their universal unit (603-001) and I also came across #603-121 (1992-2002 Saturn) pictured. So far I like it better because it looks smaller and I could mount it in front of the radiator support which might hide it a litter better. http://www.dormanproducts.com/p-44832-603-121.aspx I am looking for other ideas on what style/part number of unit and where did you mount yours on the older cars. Thanks
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Radiator Coolant Recovery Tank
[Re: YO7_A66]
#1666503
09/02/14 12:45 PM
09/02/14 12:45 PM
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Joined: Feb 2005
Posts: 28,312 Cincinnati, Ohio
Challenger 1
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Quote:
I am looking at adding a coolant recovery tank on my 70 Challenger. I have been looking at what is available through Dorman and I found their universal unit (603-001) and I also came across #603-121 (1992-2002 Saturn) pictured. So far I like it better because it looks smaller and I could mount it in front of the radiator support which might hide it a litter better. http://www.dormanproducts.com/p-44832-603-121.aspx
I am looking for other ideas on what style/part number of unit and where did you mount yours on the older cars.
Thanks
I used a 73-74 repo and bracket for my 74, it'll fit all other E body's also. ![](http://i21.photobucket.com/albums/b260/challenger19711/After%208-12-12/054-1.jpg)
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Re: Radiator Coolant Recovery Tank
[Re: Challenger 1]
#1666505
09/02/14 01:34 PM
09/02/14 01:34 PM
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YO7_A66
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I would have "guessed" that the Challenger recovery tanks were on the passenger side from the factory. Thanks for posting that picture!!
My 70 has the overflow nipple on the passenger side, so I am trying to find something to fit it.
Thanks for the replies.
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Radiator Coolant Recovery Tank
[Re: YO7_A66]
#1666506
09/02/14 02:45 PM
09/02/14 02:45 PM
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Joined: Jan 2003
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I found this one too. Dornman 603-424.
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Radiator Coolant Recovery Tank
[Re: YO7_A66]
#1666509
09/02/14 04:18 PM
09/02/14 04:18 PM
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The above 603-703 might be able to mount in between the grill and the radiator supper (opposite to the windshield washer bottle) in the corner. I need to keep the height of the reservoir (middle) at the height of the coolant in the radiator. This means that a flat reservoir may need to be used in this area.
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Radiator Coolant Recovery Tank
[Re: solarguy]
#1666511
09/03/14 10:43 AM
09/03/14 10:43 AM
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I have read about people doing that too but the pop-off cap scares me. I don't use that reservoir and it is setting right where I need the overflow tank too. I was thinking about converting it or taking it out and mounting a new overflow in its place.
EDIT: It appears that the wiper reservoir may be sitting too low versus where the top of the coolant is in the radiator.
Thanks for the reply!
Last edited by YO7_A66; 09/03/14 10:56 AM.
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Radiator Coolant Recovery Tank
[Re: jlatessa]
#1666513
09/03/14 11:25 AM
09/03/14 11:25 AM
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I was actually looking at the non-sealed units and I am running into issues with the mounting height.
It appears that I should be looking only at the sealed units with the tube at the bottom and then like you said, I could then mount it where needed. This would help a bunch finding a place to mount the new reservoir. Thanks for your reply!!!!
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Radiator Coolant Recovery Tank
[Re: Steve Bryant]
#1666515
09/03/14 12:07 PM
09/03/14 12:07 PM
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I like the 73-74 units but after buying the reservoir and the bracket, the cost would be more than I am willing to pay. Plus the overflow nipple on my current radiator exits out on the passenger side of the radiator. Thanks for the picture.
I am now leaning towards the Dorman 603-121 "pressurized" unit. I should be able to mount it to the front of the radiator support beside where my current overflow hose is routed. This would keep it out of the way and I would not have to remove my existing windshield washer reservoir.
Would I need a specific radiator cap with this pressurized tank or can I keep my existing radiator cap that was used with the overflow hose (stock 16lb unit)?
Last edited by YO7_A66; 09/03/14 01:48 PM.
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Radiator Coolant Recovery Tank
[Re: YO7_A66]
#1666516
09/03/14 02:14 PM
09/03/14 02:14 PM
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Joined: Feb 2014
Posts: 1,704 central il.
second 70
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I used the wiper tank on my hemi cuda and it works great. No one even knows it's being used for the overflow. The trick is you put the overflow hose on the bottom but you MUST drill an air hole in the the back of the wiper tank otherwise it will air lock. I drilled a 1/4 hole in the rear corner where it's under the hood pin mount so you can't tell it's there. No problems in 5 years of use even in 100 degree weather. You only need about 2" of coolant in the tank when cold and mine's about 3/4 full hot. Has never blown top off or overflowed. Good luck. Mike
Last edited by second 70; 09/03/14 02:17 PM.
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Re: Radiator Coolant Recovery Tank
[Re: second 70]
#1666517
09/03/14 03:00 PM
09/03/14 03:00 PM
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Joined: Jan 2003
Posts: 5,443 Indiana
YO7_A66
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Mike, Do you run the stock radiator cap? Thanks ![](/ubbthreads/images/graemlins/thumbs.gif)
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Radiator Coolant Recovery Tank
[Re: Cab_Burge]
#1666520
09/03/14 03:59 PM
09/03/14 03:59 PM
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Joined: Jan 2003
Posts: 5,443 Indiana
YO7_A66
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I found the Stant #10331 Lev-R-Vent 16lb cap and the OE #10231 16lb cap that I have. Is the Lev-R-Vent the cap that I need to make this swap?
Note: I checked the Stant master catalog and the above are the only two 16lb cap part numbers. There are also two 13lb caps too that match the above descriptions too.
Thanks
1970 YO7 A66 [Canadian Export] F8 Challenger 340 (Currently in shop for stroker assy.)
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Re: Radiator Coolant Recovery Tank
[Re: YO7_A66]
#1666521
09/03/14 04:07 PM
09/03/14 04:07 PM
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Joined: Feb 2005
Posts: 28,312 Cincinnati, Ohio
Challenger 1
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Quote:
I found the Stant #10331 Lev-R-Vent 16lb cap and the OE #10231 16lb cap that I have. Is the Lev-R-Vent the cap that I need to make this swap?
Thanks
Can't really tell until we see the bottom, but I'm betting yes it would work fine. But I'm not a fan of those red levers to relive pressure. Summit had those RC-27 for 15 bucks and is the only reason I bought them from summit was convenience one day after the gasket cracked and came off my stock cap, or what I think was stock?
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