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    Interest in Electric Vacuum Pump Conversions?

    Doesn't hurt to have options. Reman pumps seem to be a mixed bag from what I saw; this is put together with new OEM parts. The kit would allow you to just drop it in and run a couple wires, no fussing with figuring out mounts, relays, control switches, etc. I'm not sure how the modulator...
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    Interest in Electric Vacuum Pump Conversions?

    I'm going to keep testing/developing, and have no intention of taking it out of my rig, but with the world we're in these days this may die due to liability concerns.
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    Interest in Electric Vacuum Pump Conversions?

    There were pictures here, but not any longer..
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    Interest in Electric Vacuum Pump Conversions?

    Those are meant to run HVAC stuff, totally different class of pump. I bought one some years ago to run a mini vacuum fixturing prototype, I will say it did better than I expected it to do, but it certainly does not move enough volume for brakes. No system is perfect, with the hydroboost if you...
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    Interest in Electric Vacuum Pump Conversions?

    If you show me what else you're looking at, I can go further in to detail. As far as I know, there is no other direct fit mounts for these rigs. There are aftermarket vacuum pump setups I've seen that are marketed towards hot rods and racecars, but I question if those pumps have been tested as...
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    Interest in Electric Vacuum Pump Conversions?

    Has been running my brakes fine. I set up a little light in the cab so I know when it's running, it's on for easily less than 1 second to recover from a normal effort stop. I have cruise out now as I was pulling the parking brake pedal and water separator out to fix those as well - if I can...
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    Interest in Electric Vacuum Pump Conversions?

    So in a nutshell, earlier this year I went down the rabbit hole of buying one of these old rigs to fiddle with and put to work here and there. One of the many, many things this rig has needed was a vacuum pump. I looked in to reman units, which looked like a mixed bag, and then...
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    Carrier/facet pump observations

    I noticed on their website they spec the operating voltage range at 9-11.5V. I wonder if they did some cost cutting that reduced their over-voltage tolerance and are getting burnt up running at ~14V. D'oh, they didn't label units and I am guessing 9-11.5V is the operating pressure, not...
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    Carrier/facet pump observations

    That seemed to come from guys with turbos from what I noticed at least, though I will admit I did triple check that they really did come with little 1/8" NPT ports. I would be curious about plumbing differences between people who seem to have no issues and the people experiencing starvation.
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    Carrier/facet pump observations

    After reading all the positive feedback on it in years past, I purchased a Facet 40222 shortly after buying my truck as a "preventative maintenance upgrade" from the mechanical pump...but I did not buy it recently enough to return it. Are the state of things with the decline in quality such...
  11. H

    The Official LUK 07-225 SMF Clutch Kit & ZF S5-42/47 Rollover Noise Poll

    When I was researching clutches, I had to dig around quite a bit to get to the bottom of things. One of the worst offenders was people taking about their experience, but only referring to "the SMF kit" they installed, and not brand and particular kit number. Or just referred to a Photobucket...
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    So what did you do with your truck today?

    Could be your slip yoke as well. There's a pressed in metal plug under all that gunk between the two ears, sort of like a freeze plug. I was doing some "while I'm in there.." u-joint replacement while doing my clutch this weekend and found some hack goobered a bunch of silli-con-carne all over...
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    "Engineering Study Exchange Program" Decal on ZF-5 (1987 F-250)

    Can't really be definitive with a sample pool of two whose production dates are separated by a minimum of two and maximum of ~61 days, but with the same program expiration date, this has me leaning a lot more towards Ford wanting to know about problems with the early production units more than...
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    "Engineering Study Exchange Program" Decal on ZF-5 (1987 F-250)

    Will do jibronee. I'm a bit nervous about it to be honest, I've read a lot of good and bad experiences, and heard some pretty horrific sounding videos on youtube. Replacing in/output seals in anticipation of needing to overfill the ATF to try and combat noise. I would have gone with a DMF...
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    "Engineering Study Exchange Program" Decal on ZF-5 (1987 F-250)

    Yep - upper left corner (with relation to the text orientation!), you've got a 02/87 date of manufacture. I'm not sure if that's actual or schedule, but it's an interesting data point.
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    "Engineering Study Exchange Program" Decal on ZF-5 (1987 F-250)

    Checked the owners manuals - the main manual refers to a 5 speed overdrive, but does not mention a transmission model (it does for the T18, T19, NP435). It has a publication date of January 1987. The diesel supplement has information about up/downshift speeds and has rows for 4th to OD and...
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    "Engineering Study Exchange Program" Decal on ZF-5 (1987 F-250)

    Well, the manuals and spec books I have (published September and November 1986 respectively) both only have T19 information in them...also all the parts websites I've browsed list 4 and 5 speed parts for 1987 trucks as well. I do believe I encountered both 4 and 5 speed 1987's when I was...
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    "Engineering Study Exchange Program" Decal on ZF-5 (1987 F-250)

    Yeah that had crossed my mind as well. When did the ZF replace the old 4 speed, was there a known date or VIN number changeover? I bought a set of 1987 service manuals for this and none of them have any mention of the ZF, only the 4-speed. Regarding durability - well, it lasted all these...
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    "Engineering Study Exchange Program" Decal on ZF-5 (1987 F-250)

    That is probably the most likely scenario. With a build date of 6/87 and the 'expiration' date of the decal just a few months after, they didn't care for too terribly long, hah!
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    "Engineering Study Exchange Program" Decal on ZF-5 (1987 F-250)

    Interesting! So, "why not!" I called the number on the sticker, and it basically just asked me for a mailbox number, nothing that would tell me what the number is for. Googling the number, it looks like it may have one point been used by a bed and breakfast in New Mexico..I doubt they would...
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    "Engineering Study Exchange Program" Decal on ZF-5 (1987 F-250)

    Howdy! Another IDI FNG here with a slightly neglected F-250 I'm rehabbing. Picked it up a little over a week ago from out west, and am working on my laundry list of To-Do's which led me under the truck for the first time to check out the flywheel situation (Spoiler alert: it's toast!)...

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