Only mention 600 HP racing motors to benefit people who claim PRV is
hopeless crap.
9.5:1 seems to be standard European spec for PRV. Were dumbed down for
American consumption (Volvo did same). Difference seems to be in the
heads. Piston profiles look domed to begin with, even on Volvo F
series. Rich A has seen them head on -- what's the shape?
Never gave PRV a second thought until I bought my DeLo. While trying
to ID my particular installation ran into many owners very unhappy
with the block. Corresponded at length with two who had done Chevy
conversions. Of course my ongoing tune-up issues didn't instill great
confidence.
Now, after last weekend's excursion, would sell rest of the car before
I'll sell my R30 (you can always buy another DeLo).
Am not a big fan of racing motors either. My sister has hopped up 390
jambed into her Mustang. Is miserable car to ride in. Rattles your
fillings. Is noisy and stinks. Damdest thing is: I could probably take
her in my Lincoln with factory spec 11:1 460. And it's a 5000 lbs
luxury cruiser!
Bill Robertson
#5939
>--- In DMCForum@xxxxxxxxxxxxxxx, Jim Strickland <ihaveanaccount@xxxx>
wrote:
> Everytime I hear someone touting racing PRVs that get 600hp I wince.
>
> So what? How is this applicable? I know a guy that has a 500hp n/a 3
> rotor race engine... but it's also for sale for $30k.
> GM engineers just modified a 4-cylinder destroked 2.2L ecotec (to 2.0L)
> to do 750hp. But at what cost?
>
> http://www.year2032.com/ecotec.htm
>
> has an excellent writeup on what was needed to make this engine a drag
> racer. At the very bottom of the page, it shows which parts had to
> upgraded at which horsepower. Every engine will be different, but a lot
> will have the exact same problems along the way.
>
> Jim
>
>
> On Mon, 27 Oct 2003 17:07:44 -0000 "content22207"
> <brobertson@xxxx> writes:
> > Problem is probably the messenger, not the message ("Cain't you
> > understand my acc'int?")
> >
> > Don't make it sound like my block's from Mars. Is instantly
> > recognizable as PRV. Looks just like a B27 (according to my new
> > Volvo
> > literature, two piece upper air assembly was introduced with B28 to
> > reduce engine vibration). PCV through U pipes matches B27 too. Heads
> > very different, but can't see that from outside.
> >
> > After flurry of messages last week I think *EVERYONE* knows my
> > compression higher (sorry Martin). That's why I burn 93 octane ("4
> > star"?)
> >
> > BTW: PRV has long racing history. Apparently people are hopping
> > these
> > things up all over Europe. Have seen HP numbers as high as 600.
> > DeLorean UK might be able to do a tidy business shipping performance
> > heads, pistons, manifolds, etc to this side of pond. If you search
> > internet, Europeans call high performance "tuning" an engine.
> >
> > Oh, 90% of your hits will be sites other than English.
> >
> > Bill Robertson
> > #5939
> >
> > >--- In DMCForum@xxxxxxxxxxxxxxx, "Walter Coe" <Whalt@xxxx> wrote:
> > > > I can not run reliably on less than 93.
> > >
> > > Bill! Remember to remind people that you are not running the
> > original
> > > engine. In the past you have confused many people (including me)
> > because it
> > > is too easy to assume that you are talking about a stock engine
> > when
> > > technically you have an engine swap with a different make of car.
> > >
> > > > I've said 1000 times a rich mixture
> > > burns cooler than a lean one.
> > >
> > > Yep, very true. But what confuses people is that a rich mixture
> > can
> > also
> > > melt the catalytic converter & muffler. So yes, rich = cool in
> > the
> > engine,
> > > but rich = hot in the exhaust system.
> > >
> > > > I've got 3 melted plugs sitting on my kitchen counter right now
> > that
> > > prove it!
> > >
> > > Cool! I wanna see. Do you got a way of making digital pics?
> > >
> > > Walt
> >
> >
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> >
> >
>
>
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