Up front PRT

[mgtfnut]

Just wondering how many people have tried the PRT fitment at the front?
After a lot of debate on another forum earlier this year, I took the plunge and converted my 02 TF135 to up front PRT in June. So far, so good. In very hot weather, stuck on the M5 etc in traffic jams, no problem so far. Now it's getting colder the warm up time is little longer, not much, and still less than my other steeds.
So, any feedback from anyone who has done this mod?

[Chris Tideswell]

As a matter of interest why did you put it up fount and not close to the engine as intended?

I understand the theory of mounting a unit such as the one made by QED remotely but I thought the main benefit of PRT was that it opened under pressure and not just temperature and so could be mounted in place of the original thermostat.

[gareth]

The theory behind mounting it up front is that there is a lesser volume of cold water released (i.e. just that held within the rad and a couple of foot of the rad hoses) into the system when the 'stat opens and therefore less thermal shock put on the head/block reducing the potential for "head shuffle" which is thought to be one of the main causes of HGF.

[Chris Tideswell]

But I thought that the idea with PRT was that it effectively does this locally to the engine making it more effective then the remote mounted (QED) but normal thermostats?

[gareth]

Dunno Chris, but earlier this year on the BBS there was a thread about the positive effect of mounting the 'stat up front backed by some actual temp readings of the standard set up and the front mounted set up. The results IMO were quite compelling, and the discussion made perfect sense?

[mgtfnut]

Well, without going through the compelling arguments again, have a look at this: www.mgfmavhh.ukf.net .

Obviously not many people have gone this route then

I'll carry on in the belief that I might be pretty much alone
If anything dramatic happens in the colder weather you'll be the first to know

[Chris Tideswell]

I don't think anyone should argue with the theory, I remember that site it seemed like a lot of trouble to show something that was already known and acted on by MGR when they started to fit PRT back in 2003!

I have had considered fitting the QED remote thermostat kit form (seeing that they are only 5 miles away from me) or the Full Throttle Racing PRT kit, although I cant find anyone who has fitted this kit yet.

I was just intrigued by the benefits of the PRT housing being fitted remotely?

For the pro's & cons of the two systems web.tiscali.it/elise_s1/index.htm

[mgtfnut]

tideswell said:

I don't think anyone should argue with the theory, I remember that site it seemed like a lot of trouble to show something that was already known and acted on by MGR when they started to fit PRT back in 2003!

I have had considered fitting the QED remote thermostat kit form (seeing that they are only 5 miles away from me) or the Full Throttle Racing PRT kit, although I cant find anyone who has fitted this kit yet.

I was just intrigued by the benefits of the PRT housing being fitted remotely?

For the pro's & cons of the two systems web.tiscali.it/elise_s1/index.htm

I think you may not have fully understood the thermal considerations of this mod The PRT is remote anyway in OEM form??? The OEM installation of the PRT was an excellent idea, but the front location minimises the thermal shock of a larger volume of cold water dumping into the block. Gareth has the right idea
However time will tell if what we have done is at least non damaging, and at best preserves my 02 TF!!
I was only wondering who had done this mod.

[mgtfnut]

I'll take it that not many people have done this mod then

[Dieter Koennecke]

Carl had, I think it was in 2000

www.mgfcar.de/thermostat/Water_System_Mods.htm

[mgtfnut]

How did it work out?
Mine uses the original TF PRT:
Mi

[jonaf]

I made my PRT conversion last spring from a Land Rover Freelander kit, fitting it horizontally at the rear. The warming-up time is slighthly longer than it used to be with the OE thermostat but once the engine reaches working temp it stays rock steady.
I chose to fit it at the rear beacuse I think the farther the thermostat is located from the engine the slower it will respond to temperature changes.

pg.photos.yahoo.com/ph/jfredheim2000/detail?.dir=4adfscd&.dnm=76b8scd.jpg&.src=ph

[mgtfnut]

Mmm. I thought of that too, but decided the PRT was likely to be damaged!!, and that some advantage would be lost in having a smaller bypass water volume. I think? the larger volume will buffer temperature change, hopefully resulting in a more gradual, controlled warm-up.
Nice to know there are a few out there