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  #1  
Old 11-12-2013, 07:14 AM
t walgamuth's Avatar
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Location: Lafayette Indiana
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Bolt on alternator upgrade?

Are there any straight bolt on upgrades for a 617 turbo motor alternator?

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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.
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  #2  
Old 11-12-2013, 08:17 AM
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search al129 for a 115amp upgrade...
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"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

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  #3  
Old 11-12-2013, 08:29 AM
t walgamuth's Avatar
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Cool, thanks John. Are there any more incremental upgrades that don't require rewiring things?
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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.
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  #4  
Old 11-12-2013, 09:27 AM
Bio Brewer
 
Join Date: Apr 2010
Location: Napa, CA
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Actually pretty easy to wire in. I did mine so I could preserve the stock wiring. Worked great for ~4 months while I had the car before selling it.

Run a 2ga wire from the big terminal on the ALT to the + terminal on the battery. Then all you have to do is splice in to the signal wire and connect it to the small terminal on the alternator. This way you can retain the stock wiring and plug, and still benefit from the extra amps.

I had a stereo with amps and I also had a trailer for my veggie oil collection that had a 12v pump for vacuum on the tank. Alternator worked great to power everything and I didn't have to worry about lights dimming
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  #5  
Old 11-12-2013, 10:22 AM
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I think the 70A unit from a 380SEL will work with no changes....but thats not much of an upgrade. On my 300SD I just swapped out the cable to the alt from the wiring block and put in an 80A from a saab.
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'01 E320 Wagon - 161k - mine (OC-165,000)
'07 E350 Wagon - 137k - dad's (OC-139,500)
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  #6  
Old 11-12-2013, 11:00 AM
t walgamuth's Avatar
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Quote:
Originally Posted by pawoSD View Post
I think the 70A unit from a 380SEL will work with no changes....but thats not much of an upgrade. On my 300SD I just swapped out the cable to the alt from the wiring block and put in an 80A from a saab.
Cool! I think 70 will be more than enough for me....anybody have a good one for sale?
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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.
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  #7  
Old 11-12-2013, 11:12 AM
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also, the 87 300D's have the same wiring as the earlier diesels, and go up to 80 amps I think.

however, if you are going to a yard for an alternator, find a newer MB, and steal the wire from the battery to the alternator and starter, and you've got the wiring upgrade all factory like...
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John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread
"as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do!

My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
1987 190D 2.5-5SPEED!!!

1987 300TD
1987 300TD
1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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  #8  
Old 11-12-2013, 01:45 PM
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Does your SD have the early 55A unit? There was also a 65A unit that will work. I had a 65 on mine for a while until I went up to an 80A unit.
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-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 93k - mine - (OC-97,400)
'17 Metris(VITO!) - 19k - wifes (OC-25k)
'01 E320 Wagon - 161k - mine (OC-165,000)
'07 E350 Wagon - 137k - dad's (OC-139,500)
'01 SL500 - 84k(km) - dad's (OC-94,000km)
'16 E400 4matic Sedan - 91k - Brothers (OC-98,500)
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  #9  
Old 11-12-2013, 02:42 PM
t walgamuth's Avatar
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Quote:
Originally Posted by vstech View Post
also, the 87 300D's have the same wiring as the earlier diesels, and go up to 80 amps I think.

however, if you are going to a yard for an alternator, find a newer MB, and steal the wire from the battery to the alternator and starter, and you've got the wiring upgrade all factory like...
Wouldn't the starter be on the other side for the 87?
__________________
[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.
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  #10  
Old 11-12-2013, 03:36 PM
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Quote:
Originally Posted by t walgamuth View Post
Wouldn't the starter be on the other side for the 87?
Yes. It would probably still work, just would be a longer wire.
__________________
-diesel is not just a fuel, its a way of life-
'15 GLK250 Bluetec 93k - mine - (OC-97,400)
'17 Metris(VITO!) - 19k - wifes (OC-25k)
'01 E320 Wagon - 161k - mine (OC-165,000)
'07 E350 Wagon - 137k - dad's (OC-139,500)
'01 SL500 - 84k(km) - dad's (OC-94,000km)
'16 E400 4matic Sedan - 91k - Brothers (OC-98,500)
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  #11  
Old 11-12-2013, 03:39 PM
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For what they cost, go full Monty! Mercedes Benz s E CL CLS CLK 150A Alternator Factory Used | eBay

Sixto
87 300D
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  #12  
Old 11-12-2013, 03:42 PM
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Not sure if that would fit or be a direct bolt on solution.

Those are what I have in my serp belt setup cars (m103 and om602).
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(4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!)


82 300SD 145k
89 420SEL 210k
89 560SEL 118k
90 300SE 262k RIP 5/25/2010
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  #13  
Old 11-12-2013, 05:16 PM
t walgamuth's Avatar
dieselarchitect
 
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Location: Lafayette Indiana
Posts: 36,880
Quote:
Originally Posted by pawoSD View Post
Yes. It would probably still work, just would be a longer wire.
Is that a serp belt alternator?
__________________
[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.
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  #14  
Old 11-12-2013, 05:21 PM
JamesDean's Avatar
Electrical Engineer
 
Join Date: Apr 2005
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Quote:
Originally Posted by t walgamuth View Post
Is that a serp belt alternator?
As far as I know the best alt you can put in the 617/116/117 v-belt engines is that 115A that vstech references.

The 143/150A unit that pawo and sixto reference are serpentine pulley-d alternators and go best in the 60x/103/etc motors.

I think originally, they were saying that you could take the wiring off the serp alternator setup and put it on the v-belt ones. That would give you the needed wiring up grade.
__________________
Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out.
Check here for compatibility, diagnostics, and availability!

(4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!)


82 300SD 145k
89 420SEL 210k
89 560SEL 118k
90 300SE 262k RIP 5/25/2010
90 560SEL 154k
91 300D 2.5 Turbo. 241k
93 190E 3.0 235k
93 300E 195k
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  #15  
Old 11-12-2013, 05:32 PM
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Not so amused
 
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Simplest may be to try eBay, as there are at least two vendors who specialize in upgraded and rebuilt Bosch alternators. I got the one I just put into my 300d a few years back, I think I went with 70 amp but they also do 80 and higher.

The guys I got it from are Eagle Auto Electric in California (at the time I didn't know of anyone reliable in my area, who would upgrade on rebuild).

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