Maybe the mg zr would be a good donor. 1.8 and fragile head gasket so there 
should be some knocking about...

Nissan 200 sx is another, but those seem in demand at the moment as they are an 
easy way of  getting 250 bhp from a stock set up...

Ian

Sent from my iPad

On 31 May 2011, at 16:47, "Jim Hearne" <j...@quantums.info> wrote:

> I'm not quite sure on your second question, Hamish would certainly know but 
> he's probably not on here at the moment.
> You may have problems with overspeeding a diesel turbo on a petrol engine 
> unless it was from a larger capacity engine.
> I know the theory behind picking turbos is very technical, and i don't get on 
> with maths !, i tend to just stick to using something from a similar spec 
> engine.
> 
> I do know that diesel turbos need less cooling than petrol ones as the 
> exhaust temperature on Diesels is a lot lower.
> As a result, most (maybe all) diesel turbos are just cooled by the oil feed 
> whereas most petrol turbos are water cooled.
> If you use a diesel turbo on a petrol engine it may overheat.
> 
> Jim
> 
> 
> 
> --------------------------------------------------
> From: "nigelp" <nigel...@tiscali.co.uk>
> Sent: Tuesday, May 31, 2011 4:36 PM
> To: "Quantum Owners Group" <quantumowners@googlegroups.com>
> Subject: [Quantum Owners] Turbos
> 
>> This is a general question not directly Q related.  I am investigating
>> and researching a couple of turbo projects.  The first question is
>> does anyone know if there are any differences bewteen a petrol and
>> diesel turbo?  I presume the wastegate valve will vary, but that would
>> also be the case between different petrol types, I would assume.  One
>> potential project is a Peugeit 306 1600 engine for my nephew, the
>> other, which is real pie in the sky, is my Xtreme.  Have read Jim's
>> Zetec turbo article a while ago and need to look at it again.
>> 
>> The second question is; does flow have to be considered in deciding
>> which turbo?  At first I thought that if a diesel was used with lower
>> engine RPM it would require a lower flow (capacity times engine speed
>> proportion) however further thinking seems that this wouldn't be the
>> case as the higher the engine RPM the higher would be the turbine
>> speed, therefore increasing flow.  If anyone can shed any more light
>> on this woudl appreciate it.
>> 
>> Thanks
>> Nigel
>> 
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