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Author does big radiator make engine..
Basscrazy
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Registered: 16th Sep 05
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2nd Jan 07 at 19:47   View User's Profile U2U Member Reply With Quote
does a bigger radiator make and engine run cooler? lower temp


my xe runs pretty high temp usually round 3rd bar on digi dash


anyone any ideas? getting good airflow to it at weekend as grills blocked up

want it to run cooler really any ideas?
VegasPhil
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Registered: 16th Jan 05
Location: Fareham, Hants Drives: Octavia VRS
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2nd Jan 07 at 19:49   View Garage View User's Profile U2U Member Reply With Quote
I'll be running a radiator from a Diesel Corsa on mine.

Corsa 2.0 16v Vegas - Sold
Basscrazy
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2nd Jan 07 at 19:51   View User's Profile U2U Member Reply With Quote
mines standard

i really want engine to run really cool ive seen some that run very low temp
Robin
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Registered: 7th Jan 04
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2nd Jan 07 at 19:52   View Garage View User's Profile U2U Member Reply With Quote
aircon model one is bigger, and yes, should help the engine run cooler.

why do you want it to run cooler though? what temp is it running at?
Basscrazy
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2nd Jan 07 at 19:53   View User's Profile U2U Member Reply With Quote
3 bar on digi dash to fourth


5th is red
Jake
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2nd Jan 07 at 19:53   View User's Profile U2U Member Reply With Quote
cool running stat?
Basscrazy
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2nd Jan 07 at 19:55   View User's Profile U2U Member Reply With Quote
as in cts?
Jake
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2nd Jan 07 at 19:57   View User's Profile U2U Member Reply With Quote
no, cool running thermostat. Look on regals website for one
Basscrazy
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2nd Jan 07 at 19:58   View User's Profile U2U Member Reply With Quote
where the thermostat on the c20xe
Robin
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2nd Jan 07 at 19:58   View Garage View User's Profile U2U Member Reply With Quote
so it's not hot, or cold?

running it too cold will damage it as much as running it too hot...
JoeyB
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Location: Fareham HANTS, Drives: Astra Coupe Turbo
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2nd Jan 07 at 20:01   View User's Profile U2U Member Reply With Quote
My XE runs cool....though that could be due to my naff temp guage lol

Fan rarely kicks in, even in traffic.
Basscrazy
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2nd Jan 07 at 20:02   View User's Profile U2U Member Reply With Quote
its hot robin it could do with running at least one bar less if not two and thats still good temp to run at
VegasPhil
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2nd Jan 07 at 20:02   View Garage View User's Profile U2U Member Reply With Quote
Can get low running fan switches. They would be better than a Cool running stat.

Right?

Corsa 2.0 16v Vegas - Sold
Basscrazy
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2nd Jan 07 at 20:05   View User's Profile U2U Member Reply With Quote
i have no clue lol

would just like it to run bit cooler

i dont hace a grill etc bumper is extended to bonnet so doesnt have that flow either
VegasPhil
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2nd Jan 07 at 20:10   View Garage View User's Profile U2U Member Reply With Quote
You had the thermostat/waterpump changed?

Corsa 2.0 16v Vegas - Sold
Robin
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2nd Jan 07 at 20:12   View Garage View User's Profile U2U Member Reply With Quote
if it's in the middle, it's not hot?

90 degrees is fine.
Jake
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2nd Jan 07 at 20:13   View User's Profile U2U Member Reply With Quote
I heard the optimum running temp for a 4stroke is 77oC. What's the truth in that?
VegasPhil
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2nd Jan 07 at 20:13   View Garage View User's Profile U2U Member Reply With Quote
Sounds like it was well above 90... One line off the Red?

Corsa 2.0 16v Vegas - Sold
Basscrazy
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2nd Jan 07 at 20:20   View User's Profile U2U Member Reply With Quote
on a digi dash there in big blocks
Ben ev
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2nd Jan 07 at 20:25   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by VegasPhil
Can get low running fan switches. They would be better than a Cool running stat.

Right?


if you dont have a stat aswell you wont have circulation though the rad untill about 92degress thus making a 80degree fs for example useless.

[Edited on 02-01-2007 by Ben ev]
STEvieXE
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2nd Jan 07 at 20:31   View User's Profile U2U Member Reply With Quote
quote:
Originally posted by Basscrazy
where the thermostat on the c20xe


on the left of ur exhaust manifold
Dave A
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2nd Jan 07 at 20:42   View User's Profile U2U Member Reply With Quote
ieal running temp for these engines is 90-100 degrees. they will handle up to 115degress with them being a pressurised system.

a cool running stat and fan switch is the best idea but not needed really. on 3 bars its probably running at about 95 degrees as long as the fan is coming on and the stat is opening as it should then all is fine.
Basscrazy
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2nd Jan 07 at 20:55   View User's Profile U2U Member Reply With Quote
just someone said they werre hardly on the temp gauge on there dash etc


so third/4th bar is fine?
Rob_Lee
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2nd Jan 07 at 21:05   View User's Profile U2U Member Reply With Quote
Every single engine ive had with a digidash have all run at that 3rd bar.

1.2, 1.4, 1.6 8v, 1.6 16v, 2.0 16v

Thats fine temp matey
and-m
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2nd Jan 07 at 21:07   View User's Profile U2U Member Reply With Quote
YES!

Just make sure the coolant is a decent mix and the fan and stat are known good.

I replaced the thermostat as a matter of principle before I did the conversion for the cost of them.

[Edited on 02-01-2007 by and-m]

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