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Old 04-13-2009, 09:16 AM
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Air Randy Air Randy is offline
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Does you heater/engine have trouble getting warm? If your thermostat is bad and your engine isn't warming up properly, it will certainly magnify the milkshake on the cap stuff since it's not getting hot enough to evaporate the moisture out of the crankcase.
Randy Rosetta KDKWX TLCA #19351 NOW 2015 Rubicon Hard Rock & (2) 1970 Boss 302 Mustang's THEN 69 FJ40 Buggy "Meanie", Mini-truck "Gecko" & 74 FJ40 "Blue Mule"
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Old 04-13-2009, 09:20 AM
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DaveInDenver DaveInDenver is online now
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Originally Posted by TIMZTOY View Post
try to source up a cooling system pressure tester
FWIW, I have a cooling system pressure testing kit. Matt, you are welcome to borrow it anytime.
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Old 04-17-2009, 07:57 PM
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subzali subzali is offline
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I haven't been driving the truck because I thought I would drive it home today and park it and start my power steering conversion. Well I ended up driving it today to get around in the snow. I checked the cap after it had been warm for a while and it was dry, and the dipstick showed no signs of the foamy stuff.

I'll keep checking it. I'm not real sure if my temp. gauge is off or what; it hasn't reached the "normal operating" range on the needle for quite some time, and this is after I've put several thermostats in it and tried my best to figure it out. I took a temp gun and shot the top of the radiator and thermostat housing in several places and it looked like 180F (or whatever the t-stat is rated for) at the t-stat housing, but the radiator had a weird temp pattern across it. Anyway I'll continue to keep an eye on it and see what happens.
Matt Miller
TLCA# 13684
1977 FJ40 2F "Brahma" + Lockright, tach, Warn 8274, FJ60 Power Steering, no more Sanden OBA (factory emissions), so Puma OBA
1996 FZJ80 1FZ-FE factory lockers + Safari intercooled turbo, Warn M12000, OEM CDL switch, cup holder, and hand throttle, Metric TLC leather, heated seats, JDM switches, Puma OBA
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Old 04-19-2009, 10:41 AM
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PabloCruise PabloCruise is offline
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Keep us posted Matt, it sounds frustrating.

But I'm glad you don't have a blown head gasket!!!

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Old 04-19-2009, 02:51 PM
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Rzeppa Rzeppa is offline
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Originally Posted by subzali View Post
I checked the cap after it had been warm for a while and it was dry, and the dipstick showed no signs of the foamy stuff.
Matt, I have had the same observation in my 71. Every once in a while I'll see milkshake on the underside of the oil fill cap (never on the dipstick, or when changing oil). My guess is condensation, as it always goes away and I have no other indications of anything wrong.
Jeff Zepp
Kittredge CO USA
1971 & 1976 FJ40s, 1978 FJ45, 1987 FJ60
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