Re: [DML] Turbos - bad wrap. What's UP!!

[Martin Gutkowski <martin@xxxxxxxxxxxxxx>]

Sorry, but you can't say "turbos are okay because there are a lot of 
them out there with no problems" - because in at least equal measure 
there are loads out there WITH problems!

The PRV was later developed by Renault into a turbochargable engine - 
the Z7U (2.5) and later the Z7W (3 litre). I have taken apart my Z7U and 
if you could see the size of the bottom end bearings compared to the 
stock DeLorean engine, you'd have one example of quite how different 
they are internally. They are even-fire, with offset journals, the 
pistons are forged and lower compression, the conrods are larger, the 
valves are sodium cooled, and it's all run with distributorless 
ignition* and EFI. The cams are different, the oil feed has an auxiliary 
cooler....... I could go on.

There's a very definite reason for each and every one of the changes. 
The original DeLorean B28F engine can take a modest amount of boost 
because it has lower compression pistons than a B28E european spec 
engine. But the way these "kits" adjust the fuelling and timing is 
absolutely laughable, and totally "mickey-moused".

* not strictly true - it has a distributor, but it's just mechanical 
distribution, which can be removed easily.

Martin

bluemax86 wrote:

>OK, I normally don't get involved in discussions that don't directly
>deal with fixes to the car, but I just have had enough.
>
>What is up with people having problems with the turbos on our cars.
>Everytime someone mentions "turbos" the response is - "well the turbo
>is the problem", or "don't put a turbo on the Delorean it can't handle
>it get a stage II or III engine", or "the motor will be shot real
>quick if you isntall a trubo". Even Mr. Dellis (I think that's how you
>spell it), bless his soul, mentioned in is speach that "you can't just
>strap a turbo on the Delorean".
>





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