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  #1  
Old 02-21-2010, 01:04 PM
scoodidabop's Avatar
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Are there any issues with this engine swap?? 300D

I found a local '81 turbo (617) for a fair price that the owner claims ran well with no smoke before the car was wrecked.

Would there be any issues dropping that puppy into my '85 300D Cali?

My '85 engine would be fantastic if piston 5 wasn't causing lots of noise and a really shaky idle. I had one shirtless old (possibly naked) german guy... (weird story) tell me it might just be the injector pump timing... but the problem developed shortly after I installed new injectors... I don't think it's a pump or nailing issue and the injector pop tested perfectly so I think something internal is out of whack...

Anyway... are there any foreseeable issues with this swap??

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  #2  
Old 02-21-2010, 01:10 PM
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Post Used Engines

As a long time Mechanic and junkyard guy , I'd not pay over scrap value for this engine until it's been compression tested ~ Harbor Freight's $35.00 cheap Diesel Tester works fine and will also tell you what's amiss in your current engine .
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Old 02-21-2010, 01:12 PM
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This is quite a popular 'swap' in the US.

Sadly here in the UK we never had the .952 engine, so I have no personal experience of the swap.

If you can, get the whole car, then you'll have any item thats different, say--like the exhaust-system etc...

But, yes, Go for it. Will make a big difference to the N/A engine performance wise.

regarding the existing-engine's problem, Have you actually changed that Injector since the fault happened, Just to confirm that it has a different fault?

--Not unusual--even for a Good, Re-Con Injector to go faulty...
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  #4  
Old 02-22-2010, 12:22 AM
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Quote:
Originally Posted by vwnate1 View Post
As a long time Mechanic and junkyard guy , I'd not pay over scrap value for this engine until it's been compression tested ~ Harbor Freight's $35.00 cheap Diesel Tester works fine and will also tell you what's amiss in your current engine .
Good call... I'll definitely pick one of those up first.
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'90 300SE --- 173k miles --- (Odometer just stopped working!)

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'82 300TDT --- 236,xxx miles --- (My first one) Sold July '09
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  #5  
Old 02-22-2010, 12:49 AM
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Quote:
Originally Posted by Alastair View Post
This is quite a popular 'swap' in the US.

Sadly here in the UK we never had the .952 engine, so I have no personal experience of the swap.

If you can, get the whole car, then you'll have any item thats different, say--like the exhaust-system etc...

But, yes, Go for it. Will make a big difference to the N/A engine performance wise.

regarding the existing-engine's problem, Have you actually changed that Injector since the fault happened, Just to confirm that it has a different fault?

--Not unusual--even for a Good, Re-Con Injector to go faulty...
I'd love to get the whole car, but all he has is the engine.... he's asking $500 which I think is an okay price if the engine is in good shape.

Regarding the existing: I've moved the injectors around to see if the issue followed the injector but that, regrettably, is not the case. The issue stays on cyl 5
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'90 300SE --- 173k miles --- (Odometer just stopped working!)

'85 Cali 300D --- 193500 miles --- (Second one) Sold Nov '10

'82 300TDT --- 236,xxx miles --- (My first one) Sold July '09
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  #6  
Old 02-22-2010, 01:47 AM
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Post Low Compression

Yeah , that's pretty common on high mileage engines , esp. ones that were flogged and poorly maintained before you bought them .

My '84 300CD is this way , the # 5 cyl. is seriously down on compression and has bad rings , it smokes quite a bit (light blue) and misses & chugs upon initial cold startup but careful maintenance and driving has made it run *much* better....

In any case , always do a full valve adjustment before performing a compression test .

$500.00 is a good price *if* the engine has good compression and runs well .

Often you can buy a rusty or wrecked car on Flea-Bay for this price and junk it out .

Your 1985 Ca. Spec. has a specific turbo and exhaust , I'd use the donor engine's stuff if you can , $50.00 air filters are not fun .

Or , gut the ' particle trap ' in the 1985 exhaust as they plug up over time .
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  #7  
Old 02-22-2010, 11:47 AM
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Use the Fed intake/exhaust manifolds, down pipe and Fed air filter. then the the Trap can be removed and a straight exhaust. also you wont be stuck having to use just the cali starter. the Fed starter will work and will be cheaper.

The 81 is out of a SD right? they are both 617 engines. SD a 617.951 and the the 300D a 617.952. the Sd will have the electrical oil sending unit. might have to change the oil filter housing. also the engine mount arms I think are different on the SD. Long blocks are the same.

Charlie

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