Aftermarket temperature alarms

**Sidewinder76** · 4th October 2013, 03:22 PM

Originally Posted by davidsonsm

Anybody used a bonnet scoop to assist with airflow and cooling? I know somebody who has, and have been considering, but wanted some other opinions.

Funny that you should mention a scoop as I have been considering one as my bonnet now has a bulge from the inside after the fan destroyed itself. I was chatting to a friend who suggested it as it would be cheaper and easier than a respray.
I have to say that water crossing wouldn't be a real issue for me so I'd be looking at a scoop in the style of the V8 land cruiser which is a little more discreet than something like one from a Subaru wrx sti.

**davidsonsm** · 4th October 2013, 07:07 PM

That's what snorkels are for.

It does seem excessively hot under there.

**benji** · 5th October 2013, 09:33 AM

In regards to the heat, I've been wondering if wrapping the manifolds would make a difference.

**mtb_gary** · 5th October 2013, 11:24 AM

Originally Posted by benji

In regards to the heat, I've been wondering if wrapping the manifolds would make a difference.

Benji, on the standard exhaust manifold it would be pretty hard to wrap. But certainly post manifold it could help. This could be a good reason to invest in extractors, that way they could be wrapped all the way to the heads.
Also, if the old sports car and motorbike performance theory was correct, you will gain a little bit mor HP from wrapped exhaust due to keeping the heat on the inside of the exhaust. On most engines, the exhaust going out the exhaust pipe helps pull more air and fuel into the cylinder, adding power. When gasses cool, they shrink in volume. When the exhaust gas cools it shrinks in size, which causes it to travel slower thus pulling less fuel/air charge into the cylinder.

Gary

**davidsonsm** · 5th October 2013, 11:32 AM

Would headers have to be custom made if sourced in Oz?

I've seen them on eBay out of the UK, but I think they were only mild steel.

**davidsonsm** · 5th October 2013, 11:35 AM

Marcus (Highrr) has just fitted a patrol gu scoop along with a water temp gauge. He reckons it's dropped the way temp by 10 degs, which is a great result. Gotta be worth a go.

**haydent** · 6th October 2013, 10:05 AM

Originally Posted by haydent

just ordered these two stainless steel models, even if the electronics doesnt take the heat i know the body will, just a matter of if they can fit or not...

110cm Length Liquid Water Level Sensor Stainless Steel Vertical Float Switch | eBay

10mm Thread Stainless Steel Liquid Water Level Sensor Vertical Float Switch | eBay

these didnt work as i didnt realise at the time the d2 tan is compartmentalized, so you cant get access to any bit with a roof to mount this type.

btw your write up website is down

**wayneg** · 6th October 2013, 03:51 PM

Originally Posted by haydent

these didnt work as i didnt realise at the time the d2 tan is compartmentalized, so you cant get access to any bit with a roof to mount this type.

See post 22 of this thread

**TheTree** · 8th October 2013, 07:19 AM

Originally Posted by haydent

btw your write up website is down

Hi

Thanks for letting me know, had a DNS issue over the weekend got it sorted yesterday !

Steve

**haydent** · 10th May 2014, 01:49 PM

i found a way, to get a common ebay float switch into a td5 header tank:

i shortened by cutting a bit out and re glueing & "plastic welding" the end back on.

at this end there is enough space for it to operate

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