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  1. JAKRANCH

    D60 3.55s stock size tires or 4.10s 33 and up tires

    @Shadetreemechanic nailed my struggle. I got 20mpg on my last tank highway driving. Half of that was a headwind and all of it had a four wheeler on back with the passenger seat thing causing extra drag. I wasn't going easy on the throttle either. Ya I don't consider this heavy either. My...
  2. JAKRANCH

    D60 3.55s stock size tires or 4.10s 33 and up tires

    Diesel zf5. 10-12000 maybe 15000 lbs. If I'm towing there's significant grades involved. Turbo in my garage waiting to be installed
  3. JAKRANCH

    D60 3.55s stock size tires or 4.10s 33 and up tires

    Hi all. I'm hopefully getting some free 33in tires and I'm hoping to swap to a d60 in front. Currently running 3.55s and have a nice balance of power and fuel mileage. How bad will the bigger tires kill my towing capacity without switching to 4.10s? If I can't find a 3.55 front I might go...
  4. JAKRANCH

    Gear rollover from single mass conversion stopped

    It has gotten much warmer. We already had the idle turned up to 950 rpms. It is still reading there. Earlier though the noises didn't go away when when the truck was run hard for hours. Other important detail I am running the factory spec atf. If I was low on atf it would get noisier not...
  5. JAKRANCH

    Gear rollover from single mass conversion stopped

    Noises at idle
  6. JAKRANCH

    Gear rollover from single mass conversion stopped

    So I'm not complaining but after doing a t19 to zf5 swap 5 months ago the gear rollover associated with a single mass conversion has stopped. Is this something to be concerned about? Shifts the same as it has for years(drove it extensively in the donor truck) and is now as quiet as I remember...
  7. JAKRANCH

    On to some smaller stuff..

    I've got the same a.c. system in my truck. It is a freezer its better than any factory a.c. I've had. Whatever works the best fit you but I wouldn't trade mine
  8. JAKRANCH

    Single mass zf 5 rattle

    Ill have to remember that when I change clutch discs. We did adjust it to 900 rpm or so it helps a bit
  9. JAKRANCH

    Single mass zf 5 rattle

    Ok I guess I just thought it wouldn't have to rev so high to be quiet. Any way to quiet the rattling and grinding down?
  10. JAKRANCH

    Single mass zf 5 rattle

    Correct its not the smf its the zf5 that is exhibiting gear roll over noise. Poor wording on my part. Have edited op for clarity
  11. JAKRANCH

    Single mass zf 5 rattle

    Hey all was wondering at what rpms do your smf converted zf 5's start and stop rattling? I get noise till 1500 rpm and sometimes after 2300 rpm. Doesn't seem normal but truck has done it since install of the zf
  12. JAKRANCH

    Temp affected tachometer

    Thanks everyone!
  13. JAKRANCH

    Temp affected tachometer

    I thought my tach only worked sporadically but as I watch closer it begins working once the coolant temp gets up to 115 degrees. No idea how the sensor works could someone enlighten me?
  14. JAKRANCH

    Zf 5 heater

    It ran the wrong fluid for quite some time before I put it in my truck. It also marinated in the wrong fluid for two years. I've done quite a bit on the petal so I don't think it's the hydraulics unfortunately. College and baby mean no rebuilds for the moment:(
  15. JAKRANCH

    Zf 5 heater

    Yup. It sounds and feels like some of the synchros are starting to go. It has atf in it but was ran on gear oil for an unknown amount of time. It freshened up a little after the change back to atf, but it gets a lot better after it warms up, hence ponderings on a plug-in heater of some kind
  16. JAKRANCH

    Zf 5 heater

    I'm thinking about getting a transmission heater of some kind for my zf5. Its pretty worn and needs all the help it can get. The tractors that come equipped with transmission heaters say to never plug it in cold. Would the zf5 be the same way?
  17. JAKRANCH

    Steel bumpers

    Heck ya on the brush bar!
  18. JAKRANCH

    Steel bumpers

    That is a great idea, are there specific spots that are more vulnerable to tweaking?
  19. JAKRANCH

    Steel bumpers

    Ok so I am unimpressed with my 85s factory bumper. In looks it makes my truck look like it has a weak chin. On practicality I live on a ranch chances of my front end impacting a cow at some point in its life is a 100% due to them not moving quick enough out od the way. I will be building a...
  20. JAKRANCH

    Dmf rattling like an smf

    I believe it was the flywheel that comes with the luk kit. When I get back into town in going to drain it and put atf. Back in. The rollover does go away when you put your foot on it so I will probably turn the idle up. Maune the idle was turned up on my dads other trucks and tjats why they...
  21. JAKRANCH

    Dmf rattling like an smf

    Hmmm that's weird as far as I know all my dads farm trucks have been maintained this way for years and he's almost always had at least one 7.3 idi on the place. Would there be a difference on the low average speed farm truck? Granted we do lots of deep mudding with hay on the back?
  22. JAKRANCH

    Dmf rattling like an smf

    O for for to mention noise does go away when clutch is pushed in
  23. JAKRANCH

    Dmf rattling like an smf

    It is a luk smf. Found that out for certain. I'm now running some synthetic 80 weight stuff. Our ranch mechanic who had serviced the donor truck previously thought that he had used the 80 weight previously and we both know for sure that the zf5 was quiet when it was in the donor truck. Put 4...
  24. JAKRANCH

    Dmf rattling like an smf

    Just finished zf 5 swap into my 85 at 2 am this morning. It's awesome I love it! One little problem it grinds in neitral and somewhat when really lugging it. Symptoms are just like a smf. Only problem is that 2\3 of us that did thee project are sure it was a dual mass flywheel. Any thoughts?
  25. JAKRANCH

    Road trip list

    Those are impressive lists. Thanks for sharing!

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