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

["Donald L. Ekhoff" <ekhoff@xxxxxxxxxxxxxxxxxxxx>]

Speaking if twin turbos with nitrous, I bought such an equiped DeLorean 
on E-Bay a while back. Total butcher job. It was an Island twin with 
nitrous tanks the size of scuba tanks. When I bought it a few teeth were 
missing on the ring gear in the final drive. I don't know how it 
happened but the mind boggles. Anyway it ran OK at idle so I bought it. 
I am in the middle of a complete rebuild of the entire car. For the sake 
of cureosity and to do some extensive porting, the engine has been 
completely disassembled. No internal damage was discovered, so whatever 
its personal history, it seemed to have survived it. One thing that 
might have saved it was that an intercooler was added and all the flow 
was routed to and from the intercooler thru a single 1 1/4" dia. tube. 
This was so restrictive there was no way the engine could have made any 
real horsepower, nitrous or not.

My other two DeLoreans with single turbo's have many years and miles on 
them with 10 to 12 pounds of boost. I did have to add a homebuild water 
injection system to get a handle on pre-ignition, but it works great. I 
monitor the actual temperature of the intake manifold and it drops 
dramatically in temperature whenever I use boost (water).

Don Ekhoff


Chris Shepherd wrote:

>OK........Just did it and no, there is no pressure in the crank case. I do run synthetic oil and change it every 2,500 mi. give or take. To be honest, I have never worried about the turbo setup at all since buying the car and going over it completely to make sure it was correct. 
>I had a couple of conversations with Eleanor Rogers and John Conway, the mechanic that she uses (used?, it's been years). I did keep my notes from the conversations with John. He told me of someone in his area that was running 12lbs of boost and Nitrous Oxide. That engine had forged pistons and a few other mods.
>I had sold my normally aspirated automatic and been looking for a turbo 5 speed for a couple of years before I found this one in Hemmings. I've been very happy with it. 
>
>  
>






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