PTE thermostat

cal1 · 08-06-2009, 08:30 AM

So I did some searches on PTE T-stats and found out that they open sooner and stay open longer. Removing more heat from our hot engines is always a good thing, but I'm not understanding why it would be much different than a stock T-stat after about maybe one pass at the track.

I am definitely interested in the mod. Can someone enlighten me on a few points below.

1. Would it potentially drop intake air temps especially with a secondary heat exchanger?

2. Is the mod measurable in terms of HP gains or are we just talking, cooler is always better?

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MJ50 · 08-06-2009, 02:35 PM

it'll give more consistent power run after run...
can't wait to put mine on...

IngenereAMG · 08-06-2009, 04:32 PM

I have one in my SL55 and the car is definitely less affected by the heat, and gives more consistent power. It was a nice addition, especially in AZ!

cal1 · 08-06-2009, 07:20 PM

Well I'm sold on the PTE T-Stat and about 30 days late on the MBworld group buy back in July, but I'm working on getting one now. I just don't get why it works so well. It seems to me that after one or so 1/4 mile passes, the stock stat would be wide open just like the PTE.

jmf003 · 08-08-2009, 09:41 AM

Quote:

Originally Posted by cal1

Well I'm sold on the PTE T-Stat and about 30 days late on the MBworld group buy back in July, but I'm working on getting one now. I just don't get why it works so well. It seems to me that after one or so 1/4 mile passes, the stock stat would be wide open just like the PTE.

I sent you a PM but to paraphrase briefly for the forum, your understanding is correct: the PTE thermostat helps keep the engine cooler when running partial throttle, not wide open throttle. It won't do much for 1/4 mile times if you hot lap but it will help if you have a cool-down period in between.

08-06-2009, 02:35 PM	#2
MJ50 MBWorld Fanatic! Join Date: Jul 2003 Location: S. Pasadena, CA Posts: 8,929 Drives: W203 & W211	it'll give more consistent power run after run... can't wait to put mine on... __________________ 2003 C240 MBenzNL (PTS, IMS, euro COMAND, folding/convex mirrors, euro bi-xenons, SAM, MHI, euro trunklid, euro mat, steering wheel, etc...) 2004 E55 MBenzNL (057,219,390,428,500,527,615,682,816,881,882,884, CLS63 IC, AMG Airbag, iPod, Euro Door Pins/Convex Mirrors/Trunklid), SL65 rims, RENNtech pulley 2004 ML350 MBenzNL (rearview mirror, AMG style steering wheel, euro convex mirror) SOLD 323.205.MJ50 Google Voice

08-06-2009, 04:32 PM	#3
IngenereAMG PREMIUM SPONSOR Join Date: Feb 2004 Location: Arizona Posts: 2,925 Drives: SL55AMG, Ferrari 348, Ferrari Testarossa, Ferrari F40, Ferrari Mondial t, Ducati 916, Indycar	I have one in my SL55 and the car is definitely less affected by the heat, and gives more consistent power. It was a nice addition, especially in AZ! __________________ Ciao...Dino Aston Martin V8 Vantage SL55 AMG... delimited & 569hp/575ft lb tq Ferrari F40 (sold) Ferrari 348 Challenge... Tuned to 350 hp Ferrari Testarossa(sold) Ferrari Mondial t 87 March/Cosworth Indycar Ducati 916 BMW M3... tuned to 370 hp & delimited G500 (4sale) Mini Cooper S... tuned to 185 hp www.VelocePerformance.com

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08-06-2009, 07:20 PM	#4
cal1 Senior Member Join Date: Feb 2009 Location: Indianapolis Posts: 252 Drives: SL55, ECU, Pulley, 80mm TB, Headers, 2nd Heat exchanger, phenolic spacers	Well I'm sold on the PTE T-Stat and about 30 days late on the MBworld group buy back in July, but I'm working on getting one now. I just don't get why it works so well. It seems to me that after one or so 1/4 mile passes, the stock stat would be wide open just like the PTE.

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