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Old 01-31-2018, 09:26 PM   #111
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Join Date: May 2009
Location: Columbus Ohio
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Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
allison told me 190-200 in summer with Transynd was perfectly within normal range..
im running all transynd in my allison 1000 ..
my trans even driving through hot july florida last year and then into the mountains of the carolinas never got above 192.. so i figure my stock radiator loop cooler is adequete.


and yeah thanks 4bt! looks like I really dont need to touch my oil cooler.. im sure with 167k miles and 9100 hours ive probably got a little more blowby when i load it down too which would cause higher oil temps.. since i can literally watch it go down after im off the load, its cooling..
I figure at somepoint ill just need to rebuild the engine.. at that point ill rebuiuld the cooler too.

-Christopher
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Old 02-01-2018, 12:27 AM   #112
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Year: 1946
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Engine: Cummins 4BT
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Yeah...as noted...Transynd (along with some other synthetics) will handle higher temps for longer periods (that's what is in my Allie). But the temps on that chart are for standard issue transmission fluid...not engine oil. And they are in line with Allison guidelines.
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Old 02-01-2018, 12:51 AM   #113
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Year: 1993
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Chassis: E350
Engine: 7.3 IDI
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More progress!

Got the big trans cooler mounted. It takes up a good portion of the grill area and is twice the size of the Jasper cooler upgrade that was there. I didn't take the time to build a custom mounting bracket.. just bent up the universal strap mounts that came with the cooler and its pretty rigid.
IMG_20180131_174421723 by acidburn02zts, on Flickr

New all aluminum 4 row radiator in... So shiny...
IMG_20180131_224228573 by acidburn02zts, on Flickr

IMG_20180131_224309912 by acidburn02zts, on Flickr

Shroud and fan back in place...
IMG_20180131_224239043 by acidburn02zts, on Flickr

New heater hoses..
IMG_20180131_224521724 by acidburn02zts, on Flickr

All that is left for this portion is the upper radiator hose.. filling with fluids... installing the batteries and making new cables. Then I've got a list of parts to order for the brake overhaul.

Anyways.. not sure if I'll be making much progress this weekend as the weather is not going to cooperate from the sounds of it... we'll see though.
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Old 02-03-2018, 10:00 PM   #114
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Well.. made some progress then back-tracked a bit. First up.. we'll play learn from my mistake. Lol

So I filled the cooling system today.. pressure tested... and found that my oil cooler is leaking. One of the new gaskets between the block and cooler didn't seal properly. Now the learning... when you refill a cooling system that you've had apart and replaced a bunch of parts in.. even if you've flushed the components.. go on and fill it with distilled water for testing. This way, you don't end up with $15-$20 per gallon fresh coolant all over the ground. Plus, an extra flush won't hurt a thing.

Thankfully, it was a minor drip so I was able to drain and capture the majority of the new coolant in clean pans.. only lost ~1/2 gallon or so.

Anyways..

Full belly of Delo 5w40
IMG_20180203_155608991 by acidburn02zts, on Flickr

Full (well was anyways) cooling system... Peak Fleetcharge
IMG_20180203_155620134 by acidburn02zts, on Flickr

Pressure testing... oddly, it held fine for a few minutes, then it started to drop when the gasket let go.
IMG_20180203_155555768_HDR by acidburn02zts, on Flickr

While draining the cooling system back down (takes a while when you are trying to keep things clean).. I put the new batteries in the tray. Pair of Deka G31s. I could have made the tray a touch bigger.. they won't be fun to remove.
IMG_20180203_170548058 by acidburn02zts, on Flickr

I've got the new gaskets on the way for the oil cooler so I'm planning on pulling that back off tomorrow and sealing it up again. May skim coat the gasket with red rtv or copper coat the gaskets this time.

Other then fixing that, all that is left is to button up some minor stuff and make new battery cables. Waiting on 2/0 cable at the moment.

Anyways, more to come soon I hope.
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Old 02-04-2018, 11:52 PM   #115
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Just got done buttoning up re-resealing the oil cooler. Didnt mess with the o-rings.. just pulled the cooler back down, cleaned the block (spotless).. cleaned the cooler surfaces again.. new set of gaskets coated in Permatex high tack.

Gonna let everything set up overnight... I'll re-fill the cooling system and check it for leaks after work tomorrow.

All this while laying in ice and snow. Thanks weather for having my back.. lol.
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Old 02-07-2018, 12:19 AM   #116
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Coolant system is full... no leaks! YAY!!

With ice and snow coming down again... I decided to make up the battery cables. 2/0 goodness with cast heavy duty ends... soldered up and heat shrunk.

IMG_20180206_173324278 by acidburn02zts, on Flickr

IMG_20180206_173331582 by acidburn02zts, on Flickr

IMG_20180206_174942318 by acidburn02zts, on Flickr

IMG_20180206_184242167 by acidburn02zts, on Flickr

IMG_20180206_190328715 by acidburn02zts, on Flickr

IMG_20180206_190343151_HDR by acidburn02zts, on Flickr

IMG_20180206_193054721 by acidburn02zts, on Flickr

Also decided how to wire my gauges. Since all the lights are LED... they wont draw much. There is no radio in dash... (I'll be installing one overhead and wiring into the overhead power distribution)... so I'm going to use a radio install harness I had laying around. It has the wiring built in for dash lights, grounds, ignition hot, battery hot, and ground. Perfect.

IMG_20180206_193448191 by acidburn02zts, on Flickr

More to come when the weather clears up a bit.
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Old 02-07-2018, 11:01 AM   #117
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Now THAT'S what cables are supposed to look like! Great job...now come do mine.
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Old 02-07-2018, 11:36 AM   #118
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Quote:
Originally Posted by Tango View Post
Now THAT'S what cables are supposed to look like! Great job...now come do mine.
Now that's an idea... start offering a cable service. Lol. Now I'm just trying to sort out the OEM power distribution and all the coach tie-ins. I think I've got it figured out... just need to make 1 more cable. Hopefully I've got enough left.
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Old 02-07-2018, 02:02 PM   #119
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Just ordered all the power distribution fittings and such I need to button up the electrical rebuild.

I'll be deleting the oem fender mount solenoid (which only works as a distribution stud and sends power to the trigger wire for the starter solenoid). I'm running a single 2/0 feed that will be fused at 250a up to the driver's side of the engine bay. A single 3/8 insulated distribution stud will be used in place of the big solenoid. I'll also use a standard relay to send power to the starter signal line instead of the big solenoid. I ordered 25' of 5/8 split loom for main cable protection under the bus. Also ordered 2 pieces of thermal insulation for cables to protect them where they will run over the exhaust (mounted to the floor of the bus from the underside). A single ANL fuse holder and some 250a fuses (I'll keep a couple extra on board just in case).

That leaves me with 2 main battery connections.. 1 - 2/0 starter feed and 1 - 2/0 battery hot feed that runs to the engine bay that is fused. 2 - 2/0 grounds (one off each battery) directly to the frame.
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Old 02-07-2018, 06:43 PM   #120
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I have done a boatload of soldering in my life but never on anything remotely close to that large.

Can you give us a nickle tour of your assembly process? Tools & materials?

Thanks.

S.
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