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Re: 440 Head Gaskets water passages don't match. Help!!!!
[Re: GOLDMYN]
#665847
03/19/12 12:53 PM
03/19/12 12:53 PM
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Joined: Jan 2003
Posts: 74,947
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 74,947
U.S.S.A.
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Quote:
Thanks for your response, the radiator is 3 row 22", 180 stat,8 blade water pump, direct drive w/factory fan,factory spacer, factory shroud. Whats your thoughts on crusing at 190?, The cars does run good and doesn't ping, or puke, autometer temp guage, Thanks again!
190 cruising is higher than I would expect , but have you confirmed the autometer gauge is reading accurately ? It's electric I assume ?
What is the build of the engine like ? overbore ?
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Re: 440 Head Gaskets water passages don't match. Help!!!!
[Re: JohnRR]
#665848
03/19/12 01:25 PM
03/19/12 01:25 PM
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Joined: Aug 2004
Posts: 1,960
Kenosha, Wi
GOLDMYN
top fuel
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top fuel
Joined: Aug 2004
Posts: 1,960
Kenosha, Wi
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manual guage, 30 over bore w/10-1 srp piston, eagle rods, stock 346 heads w/3 angle valve/hard seats, factory distributor w/pertonix, timing @34 total, auto trans/w 2000 hughes convertor, 3:23 open factory avs w/14.3 AF 600 miles on rebuild
Semper Fi
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Re: 440 Head Gaskets water passages don't match. Help!!!!
[Re: JohnRR]
#665850
03/19/12 01:46 PM
03/19/12 01:46 PM
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Joined: Aug 2004
Posts: 1,960
Kenosha, Wi
GOLDMYN
top fuel
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top fuel
Joined: Aug 2004
Posts: 1,960
Kenosha, Wi
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that I can't answer, it was sit-up by the shop that rebuilt the engine, I had mention 38 and was told that was too high,
Semper Fi
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Re: 440 Head Gaskets water passages don't match. Help!!!!
[Re: GOLDMYN]
#665851
03/19/12 03:58 PM
03/19/12 03:58 PM
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Joined: Jan 2003
Posts: 74,947
U.S.S.A.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 74,947
U.S.S.A.
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Quote:
that I can't answer, it was sit-up by the shop that rebuilt the engine, I had mention 38 and was told that was too high,
If it were an engine build with KB step head pistons then the shop would be correct as that is what the instruction sheet calls out. If you don't have enough advance the engine will run hotter. If it were me I'd bump the timing up to 36 and see if it pings, if not then go to 38, no pinging then run it there and see how it is . Assuming that the initial does make it a little harder to start with the 4 degree advance.
Though new cars run at a higher temp the older cars cooling systems were not designed to. At 190 your thermostat is always open so the coolant is always flowing and not working to it's maximum potential I would think. I would think that at highway speed you would run at a lower temp?
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Re: 440 Head Gaskets water passages don't match. Help!!!!
[Re: JohnRR]
#665852
03/19/12 04:59 PM
03/19/12 04:59 PM
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Joined: Aug 2004
Posts: 1,960
Kenosha, Wi
GOLDMYN
top fuel
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top fuel
Joined: Aug 2004
Posts: 1,960
Kenosha, Wi
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thanks for the advise, I looked at the service manual and the 1971's call for 185 stat, which cannot be purchased as far as I know,
Semper Fi
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Re: 440 Head Gaskets water passages don't match. Help!!!!
[Re: GOLDMYN]
#665853
03/19/12 07:38 PM
03/19/12 07:38 PM
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Joined: Sep 2007
Posts: 14,889
up yours
Supercuda
About to go away
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About to go away
Joined: Sep 2007
Posts: 14,889
up yours
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Thermostats control MINIMUM operating temps, not maximum. So, if you are cruising at 190 degrees and your thermostat is rated at 190 you system is working. 190 is not too high. Plenty of info out there saying colder causes more wear.
They say there are no such thing as a stupid question.
They say there is always the exception that proves the rule.
Don't be the exception.
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