[DML] Re: "French" PRV

["content22207" <brobertson@xxxxxxxxxxxx>]

Actually the PRV used by DeLorean is basically Volvo B28F, chosen
specifically because it was already certified for US emissions. To the
best of my knowledge French renditions were never imported into this
country on a production basis.

F Series has several North American only modifications over European
spec PRV's:
- Lower compression (8.5:1)
- Lambda (~1% reduction in CO)
- Faster warming up CPR (final counterpressure is identical however)
- Smog pump
DeLorean futher modified its engines as follows (probably because of
lack of smog pump) :
- Removed a centrifugal advance counter weight and advanced base
ignition time 3 more degrees
- Used full manifold vacuum for spark advance, routed through an idle
cutoff solenoid
DeLorean CIS ECU is also set for 750 RPM versus 900 RPM Volvo spec

Note that a DeLorean tuned to European specs will probably melt the
catalytic converter if left in place. 

Bill Robertson
#5939

>--- In dmcnews@xxxxxxxxxxxxxxx, "secret_jedi_guy"
<secret_jedi_guy@xxxx> wrote:
> 
> The PRV is FRENCH.  The FRENCH haven't 
> produced U.S. emmissions legal vehicles in 25 years.  That is before 
> the DeLorean was built and I have all of the previous owner's 
> service records that show how much of a pain it was to get it to 
> pass it's smog check this year.  In dumping the PRV, I can get 
> something AMERICAN that I can do most of the work on myself.
> 










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