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    Strange Cruise Control Issue

    My 1994 IDI has been having a weird issue lately. The truck did not originally have cruise control, but I swapped in a servo, horn pad, and disconnect switch and was off to the races. It worked great for a few years and then recently has been giving fits. The cruise will be working fine and...
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    Cheaper Alternative to NAPA Coolant Test Strips

    I have a bottle of NAPA coolant test strips that I bought a couple years back when I got my IDI. Last time I went to test coolant the strips had gone bad. The bottle contained ~50 strips and I had used maybe ten. A new bottle of strips from NAPA is $40 and I was wondering if there was a less...
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    White Smoke When I Let Off

    I haven’t been around here much lately other than lurking. The truck has been just running so I haven’t needed to! While on a trip to go pick up some pets for my other truck today I noticed a drop in power and EGT trending about 200 degrees higher than what I’d say was normal. This was for all...
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    Shaking at Idle

    My truck has been shaking a bit at idle. With the hood open it doesn’t look like the engine moves much but I can feel it in the cab. Going up a little from the 750rpm it is set at for warm idle eliminates the shake. It’s smooth when driving regardless of engine or road speed. The little bit of...
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    Intake Grunting Sound?

    My engine has a bit of a tick, and I can hear kind of a smack type sound that seems to be coming from the drivers side somewhere. Depending on where I’m standing it goes from readily apparent to unbearable. After retarding my timing it was a bit more noticeable and I also thought I heard a bit...
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    1994 7.3 NA Running Warmer than Normal?

    I was parked today idling while waiting for someone and saw the temp gauge at about 3/4 scale. Normally it’s around 1/4. This was after an hour or so driving through town so stop & go. Truck is a 1994 F250 7.3 IDI NA. I shut the truck down and checked it over, it didn’t feel or seem hotter than...
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    Cruise Control

    I tried searching a bit but most of what I found pertained to using factory cruise, mostly in PSD trucks, which is easy. My truck has a 7.3 NA IDI and I was wondering what the easiest route to cruise control would be. What parts would I need to gather to implement a factory cruise control...
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    Door Striker

    So I was replacing worn out door strikers and I must have put the passenger side one inboard too far. The door shut but it’s visibly further in and I cannot open it. Any tricks to get this door unstuck?
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    Vibration at Speed

    I have a vibration/drone noise around 35-45 mph and 65-75 mph. I can’t figure out if it’s engine or driveline but I’m leaning towards engine. Here is what I’ve done so far: Luk SMF clutch kit Rearmost u-joint (cup fell off and I lost the needles when doing the clutch) Rearmost u-joint again...
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    Off Idle Miss When Cold

    My engine seems to start when cold without too much protesting. Th fast idle solenoid has failed so I use the manual fast idle (my foot). I can take my foot off as soon as it starts and It seems to idle fine even when cold at normal idle position, just slower than when warm. Just off idle, the...
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    Clutch Arm/Heim Joint Mod

    How do I get the little arm off to do the Heim joint mod? I tried prying, hammering the bolt backwards, and an air hammer but it won’t budge. Am I doing this wrong?
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    How/Where to add SCA

    I tested my coolant with the NAPA strips today and it is fin except for the apparent absence of the SCA. The coolant is bright green and looks fresh. It tested good otherwise. I’m good with flushing out for an elc but would like to wait until warmer weather. Am I ok to add the SCA to get me...
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    Noisy GPR

    Is it normal for the GPR to make noise? Mine was buzzing so I got a new one from Napa. Put it in and this one makes a weird noise, like the noise they use in movies for a door opening in a creepy house. I double checked and it’s hooked up like the old one was.
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    Rear Main?

    I have a full view of the rear main seal with the trans off for a clutch & flywheel replacement. While I had the trans off I figured it may be worth considering doing the main seal. It looks like it may be weeping slightly. I’ve had trouble with these before on other engines where I couldn’t get...
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    Mystery Tube

    What is this tube? And is it important? Looks like rubber hose pushed onto some steel line.
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    Question on Timing

    I recently acquired a 1994 F250. Normally when I get something it sits until I've had a chance to really look everything over. It doesn't take me long with a gasoline engine as I kind of know what to look for and where to adjust it. However, this is my first diesel and while I know the basic...
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    Hello from ND

    Hello all, I just recently got a 94 F250 with an NA 7.3L IDI and 5-speed. I have been messing with cars for a while but this is the first diesel I've owned. In google searches this forum pops up most so I figured I'd join. Probably lots of dumb questions ahead, and thank you all for the...

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