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  #1  
Old 02-03-2012, 09:20 AM
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Can a IP from a turbo 617 go on a 78 non turbo

Like the title, can you use an IP from an 85 Turbo 617 on a 78 non turbo?

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  #2  
Old 02-03-2012, 09:30 AM
t walgamuth's Avatar
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No.
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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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  #3  
Old 02-03-2012, 09:41 AM
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k, what are the chances of a IP with 60K original miles being shot? and 2 replacement IPs also being shot? Guy called me to see if I had one and said his MB mechanic has had his car for 8 months (a 78 300CD) claims the IP is shot cause he can't get the car to prime. He has found and bought 2 other IP's and been told those are also bad.

Seems fishy to me.

Car still has the old style primer pump on it...

He's 80 miles south of Atlanta or I would run over and see if I could help him.

Last edited by ngarover; 02-03-2012 at 10:05 AM.
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  #4  
Old 02-03-2012, 10:14 AM
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Quote:
Originally Posted by t walgamuth View Post
No.
why? just curious.
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  #5  
Old 02-03-2012, 11:09 AM
1978 300D, Georga car
 
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Seals?
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  #6  
Old 02-03-2012, 11:10 AM
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Quote:
Originally Posted by ngarover View Post
why? just curious.
Becasue it gives too much fuel.

You'd probably have to change the elements to make it run properly; but even then I'm not 100% the governor would be correct...
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  #7  
Old 02-03-2012, 11:14 AM
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Quote:
Originally Posted by ngarover View Post
k, what are the chances of a IP with 60K original miles being shot? and 2 replacement IPs also being shot? Guy called me to see if I had one and said his MB mechanic has had his car for 8 months (a 78 300CD) claims the IP is shot cause he can't get the car to prime. He has found and bought 2 other IP's and been told those are also bad.

Seems fishy to me.

Car still has the old style primer pump on it...

He's 80 miles south of Atlanta or I would run over and see if I could help him.

Not only one IP being shot but three IPs being shot => I'm 99% sure that is BS. I hope there is more to the story than that - with the evidence given - BS.

Old style primer pump could be leaking - and a new might help. Is he filling the secondary filter to help himself along? Or is he just running out of patience?

More information req'd
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1992 W201 190E 1.8 171,000 km - Daily driver
1981 W123 300D ~ 100,000 miles / 160,000 km - project car stripped to the bone
1965 Land Rover Series 2a Station Wagon CIS recovery therapy!
1961 Volvo PV544 Bare metal rat rod-ish thing

I'm here to chat about cars and to help others - I'm not here "to always be right" like an internet warrior



Don't leave that there - I'll take it to bits!
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  #8  
Old 02-03-2012, 12:51 PM
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Originally Posted by Army View Post
Not only one IP being shot but three IPs being shot => I'm 99% sure that is BS. I hope there is more to the story than that - with the evidence given - BS.

Old style primer pump could be leaking - and a new might help. Is he filling the secondary filter to help himself along? Or is he just running out of patience?

More information req'd
don't know. I think he is going to join the forum and have us help him
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  #9  
Old 02-03-2012, 01:14 PM
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Quote:
Originally Posted by ngarover View Post
said his MB mechanic has had his car for 8 months (a 78 300CD) claims the IP is shot cause he can't get the car to prime. He has found and bought 2 other IP's and been told those are also bad.
Horsefeathers. Unless he's buying used pumps that have been sitting unused for 10 years in a yard, marinating in bad fuel... or some wise@rse is selling him old pump cores. Even then....

Sure he isn't trying to wear this guy down so he can then buy the car at cut-rate? (I only ask as it's a Coupe.) This is top of mind as my mechanic friend just busted another shop for trying to do that to a customer (luckily the person got referred for a second opinion by a work colleague). We're talking a $3,500 estimate that turned out to be $280 in repairs (including a headlight that wasn't even caught on the big estimate)....

Quote:
Originally Posted by ngarover View Post
Car still has the old style primer pump on it...
Uh, is there any even remote chance that has this genius has been trying the same primer pump on all the IPs? I mean, that would be approaching the working definition of insanity... but I'm always up for exploring someone else's inner moron ....
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  #10  
Old 02-03-2012, 01:48 PM
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I agree the pump is not likely the culprit. Inexperienced mechanics are quick to blame the pump since they don't understand it, but the ip is nearly always innocent.
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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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  #11  
Old 02-03-2012, 02:14 PM
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I've got a decent IP in my 78 parts car... of course it's been sitting unused for 10 years in my yard, marinating in bad fuel...
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My drivers:
1987 190D 2.5Turbo
1987 190D 2.5Turbo
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  #12  
Old 02-03-2012, 02:33 PM
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Quote:
Originally Posted by Army View Post
Becasue it gives too much fuel.

You'd probably have to change the elements to make it run properly; but even then I'm not 100% the governor would be correct...
Why should too much fuel be a problem? If there is no turbo boost, no extra fuel will be injected. And you can always lower the fuel injection by not pressing the accelerator pedal all the way down.

The high speed of the non-turbo and turbo engine is the same, the governor will cut off fuel if that maximum speed is reached. Between idle and maximum speed there is no governing.
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  #13  
Old 02-03-2012, 02:41 PM
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Quote:
Originally Posted by Govert View Post
Why should too much fuel be a problem? If there is no turbo boost, no extra fuel will be injected. And you can always lower the fuel injection by not pressing the accelerator pedal all the way down.

The high speed of the non-turbo and turbo engine is the same, the governor will cut off fuel if that maximum speed is reached. Between idle and maximum speed there is no governing.
this is assuming the ALDA works, and betting a LOT on equalities between the two motors...
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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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  #14  
Old 02-03-2012, 03:49 PM
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The IP's on the 61x engines are pretty though. I highly doubt the guy has really put 3 bad IPs on. Something else is up. I'd suspect the lift pump, or the primer pump, a bad air leak at the filter housing or a severely clogged tank screen.
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  #15  
Old 02-03-2012, 06:19 PM
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The two ip have the same size elements in the and are mechanically the same, except one has an ADA and the other has an ALDA. The tuning will be a little differant, so if used on the non turbo it will tend to over fuel.

I think his problem is fuel related, as in getting fuel to the ip.

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