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> The Guzzler gets too hot
webmonster
post 3 Dec 2017, 09:36
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For many years the Guzzler has struggled to keep cool when idling for long periods - eg. traffic jam.
Now it is getting hot when going up hills too. It really got hot going up the Kaimai range when I went to Tauranga a few weeks ago, and that was late at night when the ambient temperature was quite cool!
Performance going up hills isn't very impressive either - I put my foot down and if anything the car seems to hold back somewhat. I used to be able to go up Burgess pass hill at 65mph - I can't do that anymore.

Also, the rpm at idle drops after (perhaps) 30 seconds of idling to almost stalling. The carbs don't seem to feel too hot.

Today I put my timing light on it after a trip to Inglewood and back and it seems withing coo-ee - about 4- 5mm before TDC on the pulley.

When the engine was out recently new frost plugs were installed.

I haven't checked the thermostat and one thing I've never checked since installing it 17 years ago is the waterpump because it isn't leaking. Could the waterpump be causing me a problem? Can anything actually go wrong - e.g. the impeller becoming detached? It was a rebuilt unit, not a new one.

Last thought - I had a peek under the distributor cap and I wonder if the 'leccy ignition trigger (magnetic circle) is *slightly* dragging against the sensor. If it was doing this, what would be the result, and would it be significant?

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wolseley16/60aut...
post 3 Dec 2017, 10:41
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Causes of overheating;
1/ Radiator fugged up.
2/ Radiator hoses constricting internally when worn.
3/ Too weak/rich a fuel mixture
4/ Timing too advanced/retarded
5/ Brakes dragging
6/ Exhaust constricted
7/ Thermostat rusted/closed/not opening fully/wrong temp.thermostat
8/ Head waterways constricted with rust/scale etc.
9/ Block waterways constricted with rust/scale etc.
10/ Head warped
11/ Block warped
12/ Water leakage
13/ Blown/partially blown head gasket
14/ Low oil level
15/ Wrong type of oil in sump
16/ Fanbelt loose
17/ Waterpump vanes worn
18/ Fan blade has insuffient blades
19/ Heater or radiator not properly bleed when water was last added to the system
20/ Radiator is too small for size of vehicle

This post has been edited by wolseley16/60auto: 3 Dec 2017, 10:45
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Fred Oldham
post 3 Dec 2017, 10:51
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So basically, if you can see it, feel it, smell, or burn it, it will cause you grief.
Mine responded well to a new and larger radiator core.
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