Bypassing thermostat KV6 2001

dearot · Feb 12, 2006

I have a question regarding head gasket and thermostat.I think my head gasket has blown up.i was thinking to remove/bypass the thermostat which I think that caused the head gasket to blown up. i read before that one company in uk making modified thermostat for freelander that actually open when the engine temp still reasonably not too hot not like the one installed from the factory.anyone have any experience bout this? What do you guys think bout bypassing the thermostat? i also heard that this is what they do in tropical country such as asian to prevent overheating.

marksurry · Feb 12, 2006

I think bypassing the thermostat would make the engine run cooler for sure. Trouble is, it may not get to the most ecenomical running temperature so fuel consumption will go up. I'm averaging 19mpg, not sure I'd want it to go down.
Also, is it good for an engine to run on the cool side?

yella · Feb 12, 2006

in days of old we used to remove stats altogether to help the engine run cooler, but i don't know if you would be able to do this on a modern hi tech electronically controlled engine.

ormus · Feb 12, 2006

agreed that the engine may run too cold in temperate climates like the uk.
a restrictor plate could be used instead. (simple plate with a hole).
or possibly a radiator blind?

yella · Feb 12, 2006

ormus said:
agreed that the engine may run too cold in temperate climates like the uk.
a restrictor plate could be used instead. (simple plate with a hole).
or possibly a radiator blind?

but they are saying the v6 k series runs too hot in the uk so i tyhink a rad blind is a deffinate no no

ormus · Feb 12, 2006

im talking about a blind fited to a car with no thermostat.

dearot · Feb 12, 2006

ormus said:
agreed that the engine may run too cold in temperate climates like the uk.
a restrictor plate could be used instead. (simple plate with a hole).
or possibly a radiator blind?

Whats a restrictor plate? I live in melbourne australia and the temp is way hotter than uk.
anyone has heard modified thermostat?

Treev150 · Feb 12, 2006

Hey guys have a chat with this company before you get any work done on your KV6

http://www.qednet.demon.co.uk/kv6/background.htm
http://www.qednet.demon.co.uk/kv6/hillclimb.htm
http://www.qednet.demon.co.uk/kv6/trackday.htm

300bhp KV6 and reliable must have some choice mods on it.

dearot · Feb 13, 2006

Treev150 said:
Hey guys have a chat with this company before you get any work done on your KV6

http://www.qednet.demon.co.uk/kv6/background.htm
http://www.qednet.demon.co.uk/kv6/hillclimb.htm
http://www.qednet.demon.co.uk/kv6/trackday.htm

300bhp KV6 and reliable must have some choice mods on it.

wow! sounds good trev. do you know anyone who has tried one of their mod? unfortunately i'm on the other side of the world

Treev150 · Feb 13, 2006

Don't know any one who has tried it, i was in one of my dreaming moods....

Drive over for a holiday and get the work done, or get the bits mail ordered???

ormus · Feb 13, 2006

a restrictor plate is just a simple plate with a hole in it. (replaces the stat). size of hole decided by trial and error. use a different size hole for differing ambient temps.
in hot climates you may need no plate at all. just remove the stat.

a method of modifying the stat is to drill a hole/s in the outer plate ring. this will allow water to pass, even if the thermostat sticks.
again trial and error will decide how many/size holes are required.
obviously engine heating up times, will be increased.

Treev150 · Feb 13, 2006

Just buy a new stat....

Bypassing thermostat KV6 2001

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