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Will I need to use an alloy rad??

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Old 07-10-2008, 07:49 AM
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R5FORD
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Default Will I need to use an alloy rad??
As some of you may know i just had my engine built and mapped.. now iv got a rs500 style cooler but a standard rad.. would i need to get a alloy one?? i have 452bhp.
Last edited by Mike Rainbird; 07-10-2008 at 08:38 AM.
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Old 07-10-2008, 08:40 AM
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Personally I would see what temps you see in normal use. If these don't exceed 90°C with normal driving or 100°C "on a mission", then the standard rad is okay .
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Old 07-10-2008, 08:44 AM
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I see on the standard temp gauge it gets into the 'R' of NORM.. dont know what temp it is but was just thinking about it as i have shipment of goodies heading my way soon anyway.

I still have to pay for those wheel lock nuts
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Old 07-10-2008, 09:18 AM
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Once the gauges are fitted, you will be able to see exactly what temps you have. No point in doing anything until then .
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Old 07-10-2008, 09:50 AM
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yes i will then cheers mike
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Old 07-10-2008, 10:09 AM
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Originally Posted by Mike Rainbird
Personally I would see what temps you see in normal use. If these don't exceed 90°C with normal driving or 100°C "on a mission", then the standard rad is okay .
sorry for sounding dumb but doesn't the temp measure the water temp??? how does water get over 100 degs?

and how did you get the little o for the temp unit? lol
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Old 07-10-2008, 10:11 AM
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Originally Posted by R5FORD
As some of you may know i just had my engine built and mapped.. now iv got a rs500 style cooler but a standard rad.. would i need to get a alloy one?? i have 452bhp.

452bhp Wow, good going!

can you get the power down alright? cant get power down when im running only running 300ish, not a cossie tho!

car sounds mental btw
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Old 07-10-2008, 10:26 AM
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Hi fella i have not fitted the engine yet but i should be ok.. iv got a quaife atb diff to go with it and im running 235/40 tyres for the extra grip.

cheers mate
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Old 07-10-2008, 01:37 PM
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Originally Posted by cheeky dog
sorry for sounding dumb but doesn't the temp measure the water temp??? how does water get over 100 degs?
Remember your coolant system is under pressure and so the boiling point will be higher than at normal atmos pressure
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Old 07-10-2008, 01:39 PM
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Originally Posted by Mike1
Remember your coolant system is under pressure and so the boiling point will be higher than at normal atmos pressure


coolant also raises the boiling point



i see 100 on idle and 115/120 on a mission. but then mine isn't a cossie
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Old 07-10-2008, 02:12 PM
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With the antifreeze at the correct mix and even with the standard Ford pressure cap, the boiling point is well in excess of 100°C .
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Old 07-10-2008, 02:21 PM
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Originally Posted by Mike Rainbird
With the antifreeze at the correct mix and even with the standard Ford pressure cap, the boiling point is well in excess of 100°C .


around 110/112 iirc

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Old 07-10-2008, 02:44 PM
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Originally Posted by sebspring
around 110/112 iirc

I think it is a bit higher than that, as isn't the standard cap rated at 13psi?
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Old 07-10-2008, 07:27 PM
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ahh ofcourse.

what if you just stuck water in it during summer time? then temp wont go over 100?
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Old 08-10-2008, 05:51 AM
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Temps can go over 100C in the summer even with water, as said under pressure.
The gauges are notoriously innacurate, when mine is at the top edge of the "N" it is 90C, so fan cuts in till 87C, normally runs bang in middle of "O".
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Old 08-10-2008, 06:04 AM
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well my summer over here is 40degrees compared to uk's 25 degrees so this is my dilema.. hopefully my defi gauge will be accurate then i can determine if i need one.
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Old 08-10-2008, 06:13 AM
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Originally Posted by R5FORD
well my summer over here is 40degrees compared to uk's 25 degrees .
Yeah, for about 3 days
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Old 08-10-2008, 06:50 AM
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Originally Posted by MONSTER
Yeah, for about 3 days

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Old 08-10-2008, 06:56 AM
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Who did you get to build and map the engine in the end?
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Old 08-10-2008, 06:58 AM
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Originally Posted by MONSTER
Yeah, for about 3 days
Ha!
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Old 08-10-2008, 07:17 AM
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Originally Posted by cheeky dog
ahh ofcourse.

what if you just stuck water in it during summer time? then temp wont go over 100?
You HAVE to run a glycol mix in a Cossie, if not, then plain water corrodes everything BIG time!
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Old 08-10-2008, 07:21 AM
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Originally Posted by cheeky dog
ahh ofcourse.

what if you just stuck water in it during summer time? then temp wont go over 100?
It will to begin with, as its pressurised, but it wont be pressurised for very long on just water, as it will all rot away
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Old 08-10-2008, 08:33 AM
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Gday Aaron. I had very little choice but to replace mine. The original unit was clagged! Worked out well really. I bought my intercooler at the same time to save some freight money.
At very worst, It will look great with a brand new motor in your bay!

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Old 08-10-2008, 09:29 AM
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Hi gav hows things?? yh i might just bite the bullet and buy one.. only another few hundred quid on a 20k bill

popeye i got harvey to build it and map it in the end
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Old 08-10-2008, 10:02 AM
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Things are good mate... Not as good as you but!! Cant wait to see this ball tearer' go. Well.... pictures anyways!!
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Old 08-10-2008, 10:12 AM
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Originally Posted by RS_Gav
Things are good mate... Not as good as you but!! Cant wait to see this ball tearer' go. Well.... pictures anyways!!

things are goig hard fella.. money tightned up alot i dont show it tho

iv got loads of pics mate o the engine and a couple of the car with the stripes on
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