Installed Radium Overflow Tank today - Page 2 - LotusTalk - The Lotus Cars Community
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post #21 of 38 (permalink) Old 02-02-2012, 06:30 AM
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Quote:
Originally Posted by sleepe View Post
How can you tell the overflow is bad?
Do they break immediately, or slowly fail?
Are there visible signs?

One time I saw the fluid in the smaller upper reservoir either boiling
or just bubbling for some reason. Is this normal?

-Robert
Agirls is right on - I have seen 3 in total fail and all have been where the nipple meets the tank. Under pressure I have seen one spray a coolant mist and another was a complete break where it was knocked during a catch can install.
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post #22 of 38 (permalink) Old 02-06-2012, 02:45 AM
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"Installation was a breeze everything fit as described.......took 15 minutes ( my clam is off because of TVS install)......"

So with this information I figured.......with the clam on it should only take about 1/2 hour and started the replacement an hour before the Superbowl started. Stopped in an hour to watch the game and only about 2/3rd complete. Will finish the install tonight, but this is at least an hour long project. I should mention that I have a BOE surge tank, pressure regulator and a custom oil breather tank that are also in this area so everything is a tight fit to remove the old tank and bracket. New Radium tank will provide more room.

Will post finished install when I am done.
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65 Elan S2 - Restored & For Sale
72 Europa- Restoration under way
69 Elan S4 - Restored & Sold
64 Elan S1 - Restored & Not for sale
12 Colin 30 - Lotus Racing Kart - Sold
07 Exige S - Wicked Road/Track Car - Sold
07 Exige S - Fast Road/Track Car - Wrecked at track
06 Elise - Track pack - Sold

Last edited by Certified Lotus; 02-06-2012 at 07:37 AM.
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post #23 of 38 (permalink) Old 02-06-2012, 04:10 AM
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Is the mounting point for the BOE catch can retained with the Radium bracket? The renderings seem to show that it is but just want to verify.

I am curious to see where you move the FPR.

'07 SY Exige w/ Track & Touring Packs: V2 Arms, Gpan2, ReVerie Splitter, ReVerie Wing, BOE Catch Can, RLS IC Tubes w/ Radium Couplers, BOE Surge Tank, SSC Toe Link Brace, HT-10, R888, Shroth ASM Harnesses, S111 Tow Hook
'07 GG MX5: MS Sways, Ohlins, Enkei 17"x9", 245/40R17 Star Specs, MS CAI, GW Exhaust, GW Roll Bar, MS Front Bumper <--DD
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post #24 of 38 (permalink) Old 02-06-2012, 07:36 AM
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The BOE surge tank will stay where it is. No need to relocate. The dry fit of the Radium tank suggests no problems. Still determining best re-location for the Fuel pressure regulator and gauge.

65 Elan S2 - Restored & For Sale
72 Europa- Restoration under way
69 Elan S4 - Restored & Sold
64 Elan S1 - Restored & Not for sale
12 Colin 30 - Lotus Racing Kart - Sold
07 Exige S - Wicked Road/Track Car - Sold
07 Exige S - Fast Road/Track Car - Wrecked at track
06 Elise - Track pack - Sold
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post #25 of 38 (permalink) Old 02-06-2012, 10:24 AM Thread Starter
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Pics of my Install

As I said the tank is a master piece of engineering! I really really like it! I had to make a 4in bracket becasue the Tank bracket was hitting my MAF on my VF.......so if you have an NA no modification is needed! If you have a VF2 or TVS you need to make a bracket 4in long and drill the holes 2.5in apart and mount as seen in pics......
I have the clam off again since I had some leaks in the cooling system that I needed to address but will put her back together later on today! Plus I wanted to check on my newly installed oil cooler for leaks and fitting!
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[B]05 Lotus Elise REV400, Stage II, BWR TB, OBX header, Moroso Oil Pan, RTD Brace, PRoAlloy Radiator, SS Break Lines, S111 Oil Catch Can, ACT HDC, Carbon Fiber Spliter, GRP Side Scoops, CF side skirts, , S111 front & rear tow hooks, tail lights-LED, Driving lights, Allitech, CF interior, 2010 Exige Spoiler, Lotus shop Seats, RA clam, Light Flywheel, ATI pulley, 2010 Exige Cup mirrors
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post #26 of 38 (permalink) Old 02-06-2012, 07:58 PM
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Almost done with my Radium tank install. Very tight fit due to surge tank and pressure regulator (tight in terms of working around all the various parts, the Radium tank fits fine). Tomorrow I'll bleed the system and then pressure test it.

It takes longer then 15 minutes to install............more like a couple of hours (with the clam on and having a bunch of other mods in the same space as the cooling tank).

Next I need to figure out a new mounting bracket for the fuel pressure regulator.
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65 Elan S2 - Restored & For Sale
72 Europa- Restoration under way
69 Elan S4 - Restored & Sold
64 Elan S1 - Restored & Not for sale
12 Colin 30 - Lotus Racing Kart - Sold
07 Exige S - Wicked Road/Track Car - Sold
07 Exige S - Fast Road/Track Car - Wrecked at track
06 Elise - Track pack - Sold

Last edited by Certified Lotus; 02-06-2012 at 08:05 PM.
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post #27 of 38 (permalink) Old 02-12-2012, 10:34 AM
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I had the same need to find a new location to mount some of my other mods that attached to the old OEM tank.

I made a aluminum bracket across top to look as close as I could to look OEM. Also my BOE catch can mounts to the lower Radium green L bracket.








Current 2007 Exige S TOURING PACK, TRACK PACK, LSD, Aspen White, BOE Torque300, Tank,2bular muffler, Larini header/Decat, RLS Intercooler, Intercooler Vent Ducts/tubes PENSKE SINGLE-ADJUSTABLE SHOCKS, CUPdiscs-Front ULTRAdisc rear, Lotus AP 4 Pot Calipers, Fidanza lightweight flywheel, ACT HDSS Clutch......way too much to list..

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post #28 of 38 (permalink) Old 02-12-2012, 04:46 PM
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Nicely done. Still working on my solution......which maybe different from yours.

65 Elan S2 - Restored & For Sale
72 Europa- Restoration under way
69 Elan S4 - Restored & Sold
64 Elan S1 - Restored & Not for sale
12 Colin 30 - Lotus Racing Kart - Sold
07 Exige S - Wicked Road/Track Car - Sold
07 Exige S - Fast Road/Track Car - Wrecked at track
06 Elise - Track pack - Sold
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post #29 of 38 (permalink) Old 02-12-2012, 05:17 PM
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Quote:
Originally Posted by qz5gxt View Post
I had the same need to find a new location to mount some of my other mods that attached to the old OEM tank.

I made a aluminum bracket across top to look as close as I could to look OEM. Also my BOE catch can mounts to the lower Radium green L bracket.







Not too shabby that's a lot of stuff in a tiny space. I think you pulled it off quite nicely.


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post #30 of 38 (permalink) Old 02-13-2012, 03:02 AM
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Nicely done!

'07 SY Exige w/ Track & Touring Packs: V2 Arms, Gpan2, ReVerie Splitter, ReVerie Wing, BOE Catch Can, RLS IC Tubes w/ Radium Couplers, BOE Surge Tank, SSC Toe Link Brace, HT-10, R888, Shroth ASM Harnesses, S111 Tow Hook
'07 GG MX5: MS Sways, Ohlins, Enkei 17"x9", 245/40R17 Star Specs, MS CAI, GW Exhaust, GW Roll Bar, MS Front Bumper <--DD
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post #31 of 38 (permalink) Old 02-13-2012, 03:46 AM
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Originally Posted by Certified Lotus View Post
The replacement of the OEM tank with the Radium version is simple enough....but I have a fuel pressure regulator attached to the OEM tank that will now need to be relocated. Another mod to make. Any ideas?
Hi CL, where did you get those 4 damper brackets?

S240 Exige S with BOE FW300 + over 40 mods
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post #32 of 38 (permalink) Old 02-13-2012, 07:30 AM
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Do you mean the engine mount brackets or the remote shock mount brackets?

65 Elan S2 - Restored & For Sale
72 Europa- Restoration under way
69 Elan S4 - Restored & Sold
64 Elan S1 - Restored & Not for sale
12 Colin 30 - Lotus Racing Kart - Sold
07 Exige S - Wicked Road/Track Car - Sold
07 Exige S - Fast Road/Track Car - Wrecked at track
06 Elise - Track pack - Sold
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post #33 of 38 (permalink) Old 02-27-2012, 12:27 PM
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After my install of the Radium cooling tank I needed to relocate the fuel pressure gauge and regulator. Worked with my local Lotus garage, Sports & Specialist Cars to come up with the following solution. They made a custom bracket that bolts to existing threaded taps on the block. It worked out well from my perspective ;-)
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65 Elan S2 - Restored & For Sale
72 Europa- Restoration under way
69 Elan S4 - Restored & Sold
64 Elan S1 - Restored & Not for sale
12 Colin 30 - Lotus Racing Kart - Sold
07 Exige S - Wicked Road/Track Car - Sold
07 Exige S - Fast Road/Track Car - Wrecked at track
06 Elise - Track pack - Sold

Last edited by Certified Lotus; 03-03-2012 at 09:46 AM. Reason: new photo's
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post #34 of 38 (permalink) Old 07-31-2012, 10:42 AM
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Anyone experience issue with the install such as bleeding?
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post #35 of 38 (permalink) Old 07-31-2012, 01:44 PM
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Anyone experience issue with the install such as bleeding?
Yup, but only if you don't use the top side tank port to bleed it...

VFII, Eliseparts Sequential, Geartronics Paddle shift.
You name it, I've probably got that installed too...
1864lbs, full tank
Otherwise, it's bone stock....
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post #36 of 38 (permalink) Old 07-31-2012, 09:26 PM
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Yup, but only if you don't use the top side tank port to bleed it...
Which port in particular between the two - the one farthest, topside from the cap?
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post #37 of 38 (permalink) Old 08-01-2012, 06:14 AM
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Quote:
Originally Posted by slightly2ned View Post
Which port in particular between the two - the one farthest, topside from the cap?
Yes the one furthest from the cap, the other is overflow.

VFII, Eliseparts Sequential, Geartronics Paddle shift.
You name it, I've probably got that installed too...
1864lbs, full tank
Otherwise, it's bone stock....
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post #38 of 38 (permalink) Old 06-02-2017, 12:37 PM
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Hello gents, sorry for the thread revive. I've contacted radium about purchasing a tank from them

Coolant Expansion Tank Kit, Elise/Exige, OEM Location

I have a Katana2 SC kit on my elise which should be compatible but I emailed radium and they said that they weren't sure so here I am now.

You guys think that I'll be able to install the tank in the OEM location?




What are your thoughts on the psi of the cap? Will an elise that will do light track duty require a higher psi cap? My water temps do get surprisingly high in LA traffic, would that even warrant increasing the pressure?
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