Hot 1984 (454) ?

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Hot 1984 (454) ?

Home > Discussion Forum > Mechanic's Corner - Engines

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All Messages in Thread	Author	Date
Hot 1984 (454) ?	Jim	10-28-07
I have just bought a 1984 winnebago chieftain 26 with a 454. I need to know the standard operating temps. While driving on highway the temp is between 190 and 195. At idle the temp cimbs over 210+. I can't find this info anywhere. At what temp should I get concered. Any help wood be great.I'm new to the Rv world Thanks Jim
Re: Hot 1984 (454) ?	Ray	10-28-07
This topic has been well covered on this forum, it was helpful for me and I'm sure it will be for you. Do a forum search for 454 chev etc
Re: Hot 1984 (454) ?	rich	10-30-07
Possibly change the thermostat-and more than likely have the radiator cleaned and replace the fan clutch--"DO NOT buy cheap off brand one-get GM replacement rich in Va.
Re: Hot 1984 (454) ?	Steve P.	2-23-08
Jim, I have the same year coach holiday rambler 33'and the same situation. I have a new 454 carb type engine at 65mph the temp is 190* as soon as I slow down the fan clutch will engage and start to assist. If I stop for gas the temp will top 230* and it will not start until cooled. GM told me that this engine came with a 190 t-stat. Suitable for normal driving only!! My engine runs at 2800rpm @65mph the engine oil temp is about 30hotter. When I slow down at a stop light the fan does not move enough air through the rad to properly cool the engine. To solve your problem change the t-stat to 160 GM recommends for high speed engines (motorhomes)....
Re: Hot 1984 (454) ?	Keluo	8-2-08
Had a ruptured engine hose and a cut alternator fan belt on my trip in a 1984 Elandan with chevy 454 engine. Engine overheated and stopped. The mechanic thinks the top gasket will be replaced and demands $1400. Any ideas about the average cost of such repairs and what else should I do in connection to this problem. I am new to rving. I still plan along trip on this RV. Thanks, Keluo.
Re: Hot 1984 (454) ?	John Korpi	7-23-08
Maby your fan clutch is shot.
Re: Hot 1984 (454) ?	sandra	8-29-08
I have recently borrowed my uncles 1984 gm class c frontier mh and when I went to put oil in it, the oil just ran out the bottom of the engine. I don't or I know that its not suppose to do that. Any ideas why it is doing this????