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Bionicdodge.Com  |  Bionic Tech  |  3.9/5.2/5.9 (Moderators: Lynn, 98Dak408)  |  Topic: well finally my Durango runs again.... 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: well finally my Durango runs again....  (Read 19257 times)
magnumman
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« Reply #75 on: August 10, 2020, 04:25:27 PM »

Well I just pulled my little pop-up to Ohio and back, did great except for 11 mpg.
There's a guy in our group that has a '77 Dodge motor home with a carbd 440 4.56 gear and no OD that claims 10.
It didn't help that the 1st 75 miles home was 6 miles at 65, then 35, then 65 then 35, then turn, 1 block turn again 2 blocks turn again, 1 mile turn again, 7 miles at 45, turn again, 5 miles at 65, then a mile at 35 etc
We tried a different route home to avoid the construction parking lot we encountered 25 miles from the campground on US20, we sat parked in 1 lane traffic for a while not moving. Until I decided to do like some in front of me and u turn, going the wrong way on the other side of the barricades half in the grass back to the last cross road.
I think that I would have been better to have gone back thru the construction zone. We started heading yet a different way home but halfway along that road we got detoured because of construction yet again.
Though I didn't really even feel the pop-up behind me especially at speed, i have to wonder if those bigger roller rockers would make a difference in that department, but the holdup there is that tall valve covers are now $269/set no matter where I look.
There's a guy on fee bay who lists various thickness CNC made aluminum  valve cover spacers for lotsa different engines for $~ 140-150ish. Thinking of picking up a set of his 3/8" or 1/2" tall ones. He has 1" for these engines but those are closer to $200 and way overkill.
I believe that this is one of the few times something for a Mopar is cheaper than his equivalent for a damn Chevy. Now that's rare.
.

The 1.7 rockers is one of the biggest power additions to my 5.9.  I highly recommend it.  You can keep the stock valve covers, you just need to pound the baffles in about half way.
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2001 Ram QC 1500: 360cid, 2wd, K+N CAI, SCT tune, Autolite AP3923\'s, MP 1.7 rollers, MP pushrods, SST rims, Hypertech coil, 10.2mm wires, Gibson super truck exhaust, 3\" magnaflow cat, modified Y pipe, modified kegger, 3.92 LSD, MSD-6, Transgo shift kit, 4.7L Injectors, Hipotek 52mm TB, (Currently under construction for a 408 build)

POS Chevy Trailblazer 4x4, the 4x4 is the only good part. This is my Son's truck now.

2007 Chrysler 300 2.7L "Wifes car" No complaints other than it slow.

2012 Ram 5.7 Hemi Outdoorsman, 4x4, LSD, Air Bag Suspension.
donram360
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« Reply #76 on: August 11, 2020, 05:07:58 AM »

Definitely did much better than using my 99 Dakota with it's 3.9 like I did this trip with last year.
But strangely even though I struggled at times towing with the 3.9 it wasn't as hard on gas.
Being that this 360 pulled it mostly without even being able to feel it back there I just thought It might have been better on fuel being it wasn't working as hard to do the job
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magnumman
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« Reply #77 on: August 11, 2020, 04:20:48 PM »

You should be able to get a bit more power out of it by playing with the fuel sync (+2 to +4 area), since your opening the valve slightly sooner, further and for more duration.  This will result in a more complete burn and better atomization by shooting the fuel quicker.  That should help with the MPG's.
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2001 Ram QC 1500: 360cid, 2wd, K+N CAI, SCT tune, Autolite AP3923\'s, MP 1.7 rollers, MP pushrods, SST rims, Hypertech coil, 10.2mm wires, Gibson super truck exhaust, 3\" magnaflow cat, modified Y pipe, modified kegger, 3.92 LSD, MSD-6, Transgo shift kit, 4.7L Injectors, Hipotek 52mm TB, (Currently under construction for a 408 build)

POS Chevy Trailblazer 4x4, the 4x4 is the only good part. This is my Son's truck now.

2007 Chrysler 300 2.7L "Wifes car" No complaints other than it slow.

2012 Ram 5.7 Hemi Outdoorsman, 4x4, LSD, Air Bag Suspension.
donram360
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« Reply #78 on: August 12, 2020, 09:36:41 AM »

I cannot stand these little roller skates that pass for cars these days and everything I have is paid for, mpg isn't the end all cure all ultimate goal /but getting the best I can get out of what I have, for what it is would be great
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donram360
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« Reply #79 on: August 12, 2020, 09:38:31 AM »

Playing with engines is on hold right now, after the storm we had 2 day ago. I just got the 12" diameter tree branch off of the roof a couple of hours ago.
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