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Overdrive (formerly Electromatic clutch) freewheeling?
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Quite a regular
 
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Hello! So, today my cousin took the Packard (48 super eight LWB) for its first test drive. Happy to say it made it home safely, but there was some weirdness! Apparently, when they were trying to engine brake down a hill, the engine freewheeled instead of braking. The car has an electromatic clutch, and I'm wondering if this is normal behavior, or a failure state? Please and thanks in advance!
Edit note: the problem has been localized to the overdrive module, which is freewheeling but not engaging the actual overdrive gear itself.
Posted on: 2022/10/20 15:21
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-1948 Packard Super Deluxe Eight LWB
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Re: Weekend with a V12...
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Quite a regular
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Well, what's it like to drive?!
Posted on: 2022/10/17 18:41
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-1948 Packard Super Deluxe Eight LWB
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Re: Reminder...
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Quite a regular
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Amen!
Posted on: 2022/10/12 12:35
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-1948 Packard Super Deluxe Eight LWB
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Re: Painting Butterfly Hood
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Quite a regular
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Well, personally I wouldn't use a base clear system for one of these cars. I wouldn't even go with a urethane or epoxy paint. The cars originally had lacquer, as far as I'm aware.
Mr. Bob J, if you're REALLY concerned about the tolerance, you could take a feeler gauge to the joint you're concerned with, gauge it out, and compare it to the expected thickness (in mils) of the system you're using. I'm certain the panel gap will be more then 10 thou, which works out to be 10 mil, and most base/clear systems lay down to about 6 mil. So, if you apply the paint to spec, you should be fine. But, if the gap is less than 10 thou (or like half again over the thickness of the system you're using), I'd suggest maybe using a different system. Paint isn't just for looks, it's for protection and preservation of the metal too!
Posted on: 2022/10/9 9:42
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-1948 Packard Super Deluxe Eight LWB
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Re: Ideas for engine cutting out under load.
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Quite a regular
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Not sure how much help I can be, but what kind of fuel are you running, and how long does it generally sit in the tank? Ethanol fuel loves to fuck up carbs, it attracts water and it separates while sitting.
Posted on: 2022/10/3 4:49
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-1948 Packard Super Deluxe Eight LWB
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Re: Zddp question
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Quite a regular
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Quote:
Well, low and medium speed diesels are incredibly dirty. Sooting is a big issue on a motor that's so big, you can climb inside the crankcase to inspect it. Fun fact: the top ten shipping freighters in the world are responsible for more combustion emissions than every operating automobile in the world *combined.* Puts the regs into perspective, doesn't it?
Posted on: 2022/10/1 19:25
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-1948 Packard Super Deluxe Eight LWB
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Re: Zddp question
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Quite a regular
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Quote:
by Fish'n Jim on 2022/9/30 12:00:35 I wasn't expecting anything of the sort! Honesty I had no idea of what to expect, but I certainly got some interesting information! I'm now entirely comfortable with sticking 10w-30 in the car. It's nice, it's the same oil as I use in my little dinghy, so I don't have to keep multiple stocks lol. I also figured that a lot of the talk I was seeing on the internet was bogus; snake oil is a real phenomenon! What that guy said about full flow versus bypass filters is certainly interesting though. I had assumed the automotive industry moved away from them for legitimate engineering reasons, but the more I learn the less this seems to be the case, and the more it seems like modern oil formulations are designed to compensate for the full flow filter's failings.
Posted on: 2022/9/30 19:15
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-1948 Packard Super Deluxe Eight LWB
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Re: Website
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Quite a regular
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Donated! This site is the best of its kind anywhere on the internet.
Posted on: 2022/9/29 9:36
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-1948 Packard Super Deluxe Eight LWB
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Re: For the Zis fan with everything...
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Quite a regular
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Well, at least the spammer brought an interesting thread to attention!
What's the deal with all these Packard rail conversions? Wild.
Posted on: 2022/9/29 9:24
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-1948 Packard Super Deluxe Eight LWB
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Zddp question
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Quite a regular
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Hello there! I've been doing a lot of reading here and elsewhere about modern oils, and the lack of ZDDP present in modern oils causing premature wear in these old flatties. My questions are this:
1) did oil in 1948 even *have* additives present? I was under the impression it was straight mineral oil. And 2) would it be advisable to introduce a zddp/phosphorus additive to the oil, and if so what sort of concentration would be advisable? The stuff I bought bangs on about bringing 6qts of oil up to 3200ppm, but my gut says that's WAY too high for regular usage. Any info would be much appreciated!
Posted on: 2022/9/29 9:20
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-1948 Packard Super Deluxe Eight LWB
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