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Old 05-05-2018, 10:37 AM
morefuel's Avatar
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Default 6.0 5r110w in 6.4

My trans is acting up was taking off moderately hard and when it shifted out of 3rd it barked the tires. I think it actually was sliding them but not sure and banged pretty good. So i stopped and when i went to take off it showed it was in 4th and finally shifted to 3rd but when i stopped again it didn't want to go to 1st gear. I put it in park and then back in drive and it showed 1st gear but idling around for a little and it goes to 2nd and stop and it stays in 2nd. I currently have the battery cables off to see if it's a computer glitch. I should mention that reverse did appear to still work. Any ideas of what could cause this?


I do have a low miles trans from and 05 or 06 that I can swap in but I want the cooling circuit and filter too be like the 08 has. Couple posts i read said acted like there may be some restriction inside for the 08 filter setup but nothing real conclusive. I'm wondering what all I would have to change or just live with it. Or maybe its a poor idea to use a 6.0 trans.

Quote:
Originally Posted by Zmann View Post
Thanks Mark K

I guess what I was trying to say is Ford didn't intend us to use the 08 pan and filter in the 07 under 5r's so I wasn't considering it an OEM upgrade

just a DIY guy modification


I think the restriction in the 03-07 cooling circuit is the TP filter and if you remove it the fluid bypasses the coolers ( I actually tested this after someone made a comment about running hot without the filter
and I just happened to be flushing a 06

with the filter out and a clear hose on the end of line cooler no fluid ran thru it / filter in fluid hit the cooler
Quote:
Originally Posted by Mark Kovalsky View Post
Yes, it is better than the OEM bypass filter.


It is GREATLY improved! The 08+ filter is a finer filter than the older bypass filter. And it filters 100% of the fluid all the time.


I'm not sure about that. I think there is a restriction in the filter body, but I don't have one to look at.
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97 f?50, ZF-5 tranny, 6637, 3" downpipe 5" exhaust, PHP six position, 6.0 liter I/C, Polished 304 stainless I/C tubing, DIY exhaust brake, 2005 axle swap with 3.73, 280HP 551 ft. lbs as of May 2011. 2008 f250 6.4
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Old 05-05-2018, 11:40 AM
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mn_sclb mn_sclb is offline
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Quote:
Originally Posted by morefuel View Post
My trans is acting up was taking off moderately hard and when it shifted out of 3rd it barked the tires. I think it actually was sliding them but not sure and banged pretty good. So i stopped and when i went to take off it showed it was in 4th and finally shifted to 3rd but when i stopped again it didn't want to go to 1st gear. I put it in park and then back in drive and it showed 1st gear but idling around for a little and it goes to 2nd and stop and it stays in 2nd. I currently have the battery cables off to see if it's a computer glitch. I should mention that reverse did appear to still work. Any ideas of what could cause this?


I do have a low miles trans from and 05 or 06 that I can swap in but I want the cooling circuit and filter too be like the 08 has. Couple posts i read said acted like there may be some restriction inside for the 08 filter setup but nothing real conclusive. I'm wondering what all I would have to change or just live with it. Or maybe its a poor idea to use a 6.0 trans.


I ran a 06 trans in my 08 and it held up fine. Just keep your deep pan and use the later (flat bottom I think) filter. I know there are some hard part differences in the 5r depending on year though so I donít think itíll hold up to the same abuse depending on what youíre doing with the truck. But physically and electrically does work.


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Old 05-05-2018, 11:48 AM
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Thanks, good to know just swapping over the pan and filter will work.

Anyone know if I need tune changes if I put in a modified direct solenoid? I'm running G-head street and my 3-5 shifts were never very good.

The biggest hard part differences were the 03-04 to the 05-07 I believe?
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97 f?50, ZF-5 tranny, 6637, 3" downpipe 5" exhaust, PHP six position, 6.0 liter I/C, Polished 304 stainless I/C tubing, DIY exhaust brake, 2005 axle swap with 3.73, 280HP 551 ft. lbs as of May 2011. 2008 f250 6.4
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Old 05-05-2018, 03:36 PM
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Quote:
Originally Posted by morefuel View Post
Thanks, good to know just swapping over the pan and filter will work.

Anyone know if I need tune changes if I put in a modified direct solenoid? I'm running G-head street and my 3-5 shifts were never very good.

The biggest hard part differences were the 03-04 to the 05-07 I believe?
Trans will work fine as already said. Swap the 6.4 pan and filter. It's up to you if you get your tunes modded for a different direct solenoid. Personally, I would get a new OEM solenoid. The modded ones are unreliable. If you tell your tuner that you have a modded solenoid, they will reduce shift pressure to compensate, thus putting you back to square one. I tried a modded solenoid for a couple days once and it shifted way too hard so i removed it.
The hard part changes were the number of pinions in the overdrive planetary. Nothing to worry about there.
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