SL55 AMG, SL63 AMG, SL65 AMG (R230) 2002 - 2011 (2003 US for SL55 and 2004 for the SL65)

SL55/63/65/R230 AMG: >>The ACT Reservoir - Active Cooling Tank Available<<

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Old 08-26-2009, 06:36 PM
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W211 E55
>>The ACT Reservoir - Active Cooling Tank Available<<

ACT - Active Cooling Tank

LET Motorsports is pleased to announce availability of the next part for those seeking maximum performance: The Active Cooling Tank, or ACT.

The 55/32 Kompressor motors, as well as the 600 and 65 Biturbos use an air-to-water circuit to provide cooling of the intake charge. This charge-cooler circuit, sometimes referred to as the intercooler circuit, gets heat-soaked rapidly in stock configuration. Modified cars running more boost heat-soak even faster – ultimately reducing performance!

A larger front-mount heat exchanger (FMHE) helps a great deal, as it adds fluid volume to the circuit and recovers faster than the smaller stock unit.

The ultimate solution? The Active Cooling Tank.

This trunk-mounted reservoir is the best for 3 reasons:

1) It increases the total fluid volume of the cooling circuit by XXX liters
2) It allows for ice to be added to the circuit, increasing efficiency to GREATER THAN 100%
3) The ACT has a second, separate interior tank for dry ice – you can run BOTH !!!

Details include:

Fully insulated double wall construction – billet brackets – AN-10 swivel fittings – large access ports for ice – welded drain port – screened outlet – integrated heatsink on dry ice tank – downtube for CO2 evacuation – top-quality materials and construction throughout – 1 year warranty


The ACT kit includes all fittings, hoses and brackets required for install. Also included is a circuit separation kit, to eliminate the crossover pipe to the engine's coolant.

Due to the unique shape and design of the tank, there is sufficient room to place a supplementary pump (+$175) or nitrous bottle in the remaining area of the spare tire well.

Pricing has been set as follows:

ACT tank only: $ 499.99
ACT tank kit: $ 649.99
ACT tank + pump $ 824.99

(Prices do not include shipping.)

We are now taking orders for these vehicles:

E55 – CLS55 – SL55 – CL55 – S55
SL600 – CL600 – S600
SL65 – CL65 – S65
C32

Estimated delivery in 1-2 weeks

Pics:
Top:



Side:





Screened outlet:







Trunk pics (E55):



Old 08-26-2009, 07:19 PM
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Okay, I will ask the inevitable question: What type of gains might one expect on say a 55? Is it a DIY type project?
Old 08-26-2009, 07:54 PM
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I will have timeslips by this weekend, but we are expecting 2 tenths and 2 MPH in the quarter-mile.

Install is not difficult, but requires taking off the underbody panel(s.) I would budget 3 hours with a lift, 4 without.
Old 08-27-2009, 08:33 AM
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Originally Posted by ChicagoX
I will have timeslips by this weekend, but we are expecting 2 tenths and 2 MPH in the quarter-mile.

Install is not difficult, but requires taking off the underbody panel(s.) I would budget 3 hours with a lift, 4 without.
Two tenths are big. Especially when your stuck at 12.1 seconds like I seem to be. All I ever wanted was to see 11 on the clock. Even if it is 11.99 Sounds like this mod could get me there.
Old 08-27-2009, 12:17 PM
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Originally Posted by cal1
Two tenths are big. Especially when your stuck at 12.1 seconds like I seem to be. All I ever wanted was to see 11 on the clock. Even if it is 11.99 Sounds like this mod could get me there.
I know the feeling....I was stuck at 12.02, 12.06 and a replacement (working) IC pump got me to 11.9x.

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