[Vwdiesel] Add just turbo to NA?

[Roger Brown]

Isn't that basically the eco-diesel setup?


On 3/30/2012 5:36 PM, Tad wrote:
> I know I'm not the guy you asked to hear from, but what do you hope to
> gain from adding air but not fuel?  I guess it will help burn fuel
> more completely a little bit under otherwise-smoking conditions, but
> the rest of the time it's just an obstruction in the exhaust, right?
> All else being equal, adding air isn't going to help if you don't add
> fuel too.
>
> On Fri, Mar 30, 2012 at 3:43 PM, Doyt W. Echelberger
> <doyt at buckeye-express.com>  wrote:
>> Has anyone added a turbo to a naturally-aspirated 5 speed 1.6 VW diesel from
>> the 80's, without using special TD injectors and the TD injector pump that
>> enriches under boost? I call this a partial conversion.
>>
>> Without a turbo, the car (89 Jetta 5 speed at 104k miles) seems to be
>> working pretty hard between 45 and 70.
>>
>> I am looking for actual experience from people who have done a partial
>> conversion (Rabbit or Jetta) and driven it for a few years.
>>
>> That's the main question. I know how to do the mechanical swap,  but would
>> be interested in any unexpected problems you encountered in fitting the TD
>> parts to the NA block and exhaust pipe.  But mainly I'm looking for how it
>> ran after the conversion....at idle, at slow speeds around town, and at
>> highway speeds 45-70 mph. (I would expect it to run about the same at idle
>> and around town, and I _hope_ it runs easier on the straight and level
>> between 45 mph and 70mph.
>>
>> I wonder if it might also run a little cooler and easier at highway
>> speeds....and maybe get a little better fuel economy?
>>
>> If some of that isn't the case, I don't think I want to do the conversion.
>>   I don't want to burn the valves and pistons in the process. So tell me if
>> any of that bad stuff happened to you.
>>
>> After putting in the time and money to do the conversion, did the car run
>> significantly better? I already have the conversion parts sitting on an 85
>> Jetta TD that is headed for the scrap yard. All I need to do is pull the
>> turbo and the manifolds and swap them onto the 89 na Jetta, along with the
>> oil pan and the oil cooler adapter. I could also swap the TD injectors and
>> the TD injector pump, but they both have 200k on them and probably need
>> rebuilding. I know the TD pump leaks from the TD boost tower...about a drop
>> per second.
>>
>> But if I add the TD injectors and a rebuild TD pump, the cylinder temps and
>> exhaust gasses will probably run considerably hotter and I'll run the risk
>> of melting a piston or burning a valve....and I can't easily swap in the
>> factory TD oil squirters that cool the pistons.
>>
>> So, I'm looking for some advice from people who have been there and done
>> that.  Loren already replied when someone ask the question in October of
>> 2001, so I know I _can_ do it and it will run. Now I'm interested in HOW
>> yours ran and what people learned from having done it.
>>
>> Doyt Echelberger
>> Living in Ohio flat country at about 500 feet above sea level.....with
>> diesel at $4.08 today.
>>
>>
>>
>>
>>
>>
>> _______________________________________________
>> Vwdiesel mailing list
>> Vwdiesel at vwfans.com
>> http://www.audifans.com/mailman/listinfo/vwdiesel
> _______________________________________________
> Vwdiesel mailing list
> Vwdiesel at vwfans.com
> http://www.audifans.com/mailman/listinfo/vwdiesel
>


-- 

   Roger