My 86 Rangie Hiline

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Originally Posted by Meccles

Mate understand frustration. But what is cost of chev conversion compared with say new head gaskets/water pump and perhaps re core or new radiator? You would need a new bigger radiator anyway for chev surely?
I mean engines running hot typically is either cooling system less than ideal, or some fault with engine. If fault is easy fix (head gaskets for example) does this justify throwing whole lot away?

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Definately NOT spending money on a 3.9 beyond sensors, filters, etc. If the heads come off, the engine comes out - for good, but I need to be definate about the cause before doing this. Cost of converstion doesn't bother me, I just want a car I can drive when I want to.

The frustrating thing with all of this is that this whole combo - engine, trans, rad - everything, was in a mates Disco and ran perfectly in that vehicle. It was only removed as he was wrecking the car as it was worth more in parts - that's the only reason I would have spent any money on a 3.9 in the first place.

So, what would cause one to run fine for and have a consitant temperature for 15 minute - this is after the thermostat has opened - in all traffic conditions from sitting in traffic to 110 on the freeway - temps changed between 81 and 84, then all of a sudden, just cruising along at 50, the temp starts to climb to a point I have to shut the engine down.

No rattles or anything from the engine, it runs smooth as a nut - what should I be checking, because it's got me stuffed...

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Originally Posted by jsp

Don't do it, I have a classic with a 350 chev, it just doesn't look right.....

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I've seen several and I see nothing wrong with them. At least they aren't prone to ****ting heads or worse when the temp gets above freezing...;)

Oh, and parts are cheap and plentiful compared to Rovers offering.

Sounds like a classic viscous clutch failure to me if it has one ?

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Originally Posted by loanrangie

Sounds like a classic viscous clutch failure to me if it has one ?

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Thanks, but it's brand new, and testing shows it works perfectly - it roars on startup, and I can hear it start to roar as the temp moves past 90 just before I shut it down. Once shut down when hot, I can feel it is quite tight to turn, not loose like it is when it's cold. Also, the car starts to overheat when moving freely, not stopped in traffic.

But, I'm going back to the start of my diagnostics, so I'll definately recheck all this. What sort of road speed would you think is enough to allow full cooling of the engine without the need for the fan to do anything? This may give me something extra to check.

Cheers.

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Originally Posted by Disco Muppet

LS3....
Or go diesel :cool:
I've worked out how to get the 6L90E GM auto to work behind the m57...
Sent from my HTC One using AULRO mobile app

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Yes, an M57 in an RRC would be sweeet. :)

Mate chev`s are for one eyed female colly wobble supporters:p
Do a 351W conversion thats what real men drive:angel::wasntme:;)
Thats what old beared mate Marcus recon`s:p

The boss has a Cleveland. He reckons they never get hot. Always run cool.

Now, under the cover of darkness, while he is not around, we could try that Cleveland in your Classic but it would be a shame to remove the motor from such a lovely XA GT.

You wouldn't consider a 185i from a VR Commodore?

An intermittent blockage of an engine water gallery? Something was dislodged in the move from the Disco to the RR?

We know the radiator was recently rodded. How long was the block dry before it was filled? Maybe the water galleries have a layer of insulating corrosion on them?

Maybe try running some acidic cooling system cleaner through the system.

Such a behaviour to me suggests something failing during operation as opposed to something there from the beginning.

Sent from my HTC One using AULRO mobile app

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Originally Posted by Disco Muppet

Such a behaviour to me suggests something failing during operation as opposed to something there from the beginning.

Sent from my HTC One using AULRO mobile app

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That's unfortunatly what I suspect as well, but no idea where to start trying to find the fault... :(