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    preemptive head gasket replacement?

    Thanks everyone for the assistance. Yeah she's been a good little 3.7 so far, but probably 75%+ of her miles are highway, so that probably helps account for some of the longevity. Im doing the compression test today after work and going to do a cooling system pressure test and block test for...
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    preemptive head gasket replacement?

    For sure, I expect it to run another ~300k with all this work on it haha. I'm not too worried about the trip, but I come from a SBC/LS engine background, so just looking for quirks on the 3.7L I need to be aware of. If i end up not doing the head gaskets I might do valve seals with the heads...
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    preemptive head gasket replacement?

    Thanks all, its definite steam on cold startup (nothing from warm startup). Underside of the oil cap looks normal, ive never had the nasty condensation build up under the cap. I did just notice yesterday that there is a very slight puff of blue smoke when revving in neutral while warm which...
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    preemptive head gasket replacement?

    *Long post warning* So I've got a '05 KJ, 3.7L, 6 speed manual, 4wd, 265k miles, pretty well maintained for the most part, wife's Daily Driver. pretty much stock except for a aftermarket headunit. Prepping it for a 3000+ mile round trip that the family will be taking in it in about a month an...
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