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I prefer red as it's mine:

image.jpeg.752481e9a9e56f3ec668f6194f1edb6c.jpeg

No hood scoop yet but it's coming.

 

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13 minutes ago, Rob said:

I prefer red as it's mine:

image.jpeg.752481e9a9e56f3ec668f6194f1edb6c.jpeg

No hood scoop yet but it's coming.

 

You have the 56 qt oil pan that comes with the ESI+ package. 25,000 mile oil change interval. And an engine that'll run that long and then some between trips to the dealer.  Standard came with with 1 filter, small oil pan. ESI came with bigger oil pan and 2 filters, ESI+ got the 56 qt oil pan and 3 filters.

Wish I still had the intake plumbing to go with the hood scoop, but that went in the dumpster a long time ago....

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My 79 r model has the 56 qts oil pan.

 

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Rob,do you know what color is the red on your motor?I would like to repaint mine.

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31 minutes ago, hicrop10 said:

Rob,do you know what color is the red on your motor?I would like to repaint mine.

I do not and assume it is original to the engine. There is no sloppiness to it, nor overspray on anything. It is dull and without gloss. The cylinder heads are gray "ReMack", and were replaced at the same time the engine was out of frame majored 42K miles ago. It is not however standard Mack red color that is faded.  

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I think it is a Mack color, I've got the same engine the same color on the shelf.

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IT  is original The first 2 years of  E9 Was the same almost primer color salmon brown at one point they did robins egg blue as well!  just a little before the 4 valve head was introduced!

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The E6-350, (two valve engine) in my B-61 is a 1982 year model and is "robin egg blue".

Edited by Rob

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285 Maxidynes with tip turbines were gold, 300+'s were that red color with the tip turbine as far as I know. kinda like a red 'Glyptol'color

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My old 285 was gold and had a two stick six speed behind it. The truck was a 1977 R-686 series. This one is a 1980 and the only one I've seen in this color. Don't actually know if I've seen a 300 "Maxidyne" myself that was gold. A buddy had one and it was light blue and rust.

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I have seen one that was somewhat copper colored but it was a rebuilt engine and didn't pay too much attention to it thinking owner/rebuilder preference.

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The Mack we had with ESI (Extended Service Interval)

had a big sump with isulation on the front of sump as they claim the oil ran too cold

we removed the sump and replaced with the normal size sump and kept the 3 filters on the Cool Power 300

also by removing the sump it kept it inline with other trucks wen to do a service

cya

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My Mrs Mack is ESI motor and its faded redish orange colour 

320 coolpower and of 1980 vintage although some of the plates on the truck say 79

 

Paul 

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Deleted

Edited by phildirt
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Here is my 79. Color is a dull red. Seems like mid to late 70s was when the red color was used on the engines.

50FD3598-BDE7-4689-BE8A-08529B6EDECD.jpeg

8883EEDD-5F89-4470-BC00-B457CD9DABC5.jpeg

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Maxidyne 285 ESI ?

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5 minutes ago, fjh said:

Maxidyne 285 ESI ?

I was going to ask the series of the truck also? Engine is a "kissing cousin" to my ETAZ673.

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Appears to be an Rd or RB

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I'll have to did further into my truck as far as a completion date. It is a 1980 R-612ST. 300+ engine, RTO-12513 Fuller, and Mack Camelback 3.87 rears. All is original to the truck except the replacement transmission. I have Budd hubs on front and Dayton's on the rears in 11RX24.5 rubber. Just over 500k on the clock but only about 45K on a out of frame rebuild with the new "ReMack" cylinder heads.

image.jpeg.0ad0b4c7610eaef42f55d196b1dc0fb2.jpeg

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7 hours ago, seyser said:

Nice looking rig!

Well thank you and that mirrors my thoughts on yours. Don't get to see a lot of R models in work clothes any longer and I find it "refreshing" to see one not all dolled up.

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