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  #1  
Old 09-28-2007, 08:48 PM
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Question 617 Question

Hi, How slow would a 617 in a 300 or 500 sel body ?
thanks J


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Old 09-28-2007, 10:19 PM
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Slower than a 300SDL?
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  #3  
Old 09-28-2007, 10:27 PM
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I had an 84 300sd. 126 body 617 turbo. very nice performing car imho.

if you swap one into one of those bodies though, you will need to swap the rear end too or it will be very very high geared and very sluggish off the line.

Tom W
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.

Last edited by t walgamuth; 09-29-2007 at 07:39 AM.
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Old 09-29-2007, 01:47 AM
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The SEL chassis is going to be a bit heavier. Also, most SD's had aluminum hood and boot lids.
Should make a good hiway cruiser once it's up to speed. NG in town.

Front engine shock mount on one side (left I think) is on the wrong side of the crossmember for the 617. It will need to be cut and rewelded.
Then there's the glow plug circuit, driveshaft...

Its easier to find a nice SD.
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Old 09-29-2007, 09:24 AM
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Quote:
Originally Posted by jef d View Post
Hi, How slow would a 617 in a 300 or 500 sel body ?
thanks J
If the 617 is in excellent tune..........you'll get a 0-60 time of about 14 seconds with the 2.88 axle. If it's an older engine that's not in perfect tune, the time will extend accordingly.
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Old 09-29-2007, 09:40 PM
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beware the air conditioner....

it will get a lot slower in hot weather with the air on....when I have to move out I turn mine off for a minute or two, then back on when I'm up to speed. Freeway entrances can be a real thrill when there are 18 wheelers in the near lane.
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Old 09-30-2007, 04:35 AM
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Quote:
Originally Posted by rdsw View Post
it will get a lot slower in hot weather with the air on....when I have to move out I turn mine off for a minute or two, then back on when I'm up to speed. Freeway entrances can be a real thrill when there are 18 wheelers in the near lane.
lol... this is nothing like an auto 240d... thats when you turn off the ac. with even a NA 617 you have plenty of tourque and hp to make up for the comporessor. its not that bad you just have to play your cards right.
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  #8  
Old 09-30-2007, 10:20 AM
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Some (euro models) 500sel's had a LSD, 2.24 ratio diff, US spec cars had a 2.47.

With the 2.24 I'd think the 617 may be turning too slow to be efficient. In other words, it may take more pedal to make enough torque to push her at normal hwy speed.
Not only would mileage suffer but lugging really heats up the oil fast.

I thought of using a 2.47 diff and shorter profile (smaller od) tires to compensate.

Here's a useful site for comparisons:

http://www.drivetraindirect.com/t_gear_calculator.htm

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