Re: [doc] Engine Performance Upgrade
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Re: [doc] Engine Performance Upgrade



A quote from the engineer I'm on about:

"This is actually a very tuneable engine. Big valves are available off the shelf, so are cams, the capacity can be increased
to 3 litres with std parts, the compression ratio can be raised to 9.5 with std parts and more with machining. In the Volvo
940 & 960 application the engine had 170 bhp to start with so you could call this a minimum power output just by using the
appropriate parts and a
decent exhaust system. The potential is for 240 bhp plus though with big valves, properly developed ported head, cam,
induction system and exhaust system."

Any comments?

Martin

Martin Gutkowski wrote:

> Hi All,
>
> For the past two weeks, I have meen mailing back and forth to a small
> engineering firm who specialise in performance upgrades to engines. To
> cut a log explanation short, they work through "modernising" engines
> right up to race-tuning them. By "modernising" I mean that as we all
> know it's possible to get nearly 200bhp from a 2l _production_ engine -
> I'm thinking of the Renault Clio Sport. Engine development here in
> Europe has far exceeded what goes on in the states due to our high fuel
> costs and enviromental concerns.
>
> The company in question HAS worked with the PRV-6 in the past, though
> mainly work on ford engines. They have a set of heads from a PRV and
> confirmed theres "loads of room for improvement". I need to speak to the
> chap properly and will do so on Monday, but here's a short list of the
> possibilities:
>
> Replacement cams
> re-working of the heads to enlarge the valves
> re-working of the intakes
> complete re-build of the throttle bodies (something they specialise in)
> replacement of the injection/ignition to modern computer controlled
> mappable system
> lightened flywheel
>
> They only work with engines, not whole cars, but I have spoken to Dave
> and he has an engine which can potentially be used for work. Once work
> has been completed on this engine, we can then work the "upgrades" into
> any other engine. In other words, the cost of development of this one
> engine will be far greater than subsequent mods.
>
> SO: Is anyone interested in coming in on this project to gain more power
> from our beloved DeLoreans? I asked for a ballpark figure on "the whole
> shebang", and £2-3000 was quoted. If a bunch of us get together on this,
> the cost will be affordable, and at the end of it all, we have a spare
> engine which should be worth quite a bit!
>
> Performance imporvement should get the engine to well in excess of
> 200bhp. This may require upgrade of fuel pump and lines in addition to
> what goes on in the engine bay.
>
> >From the start, I've made it clear that anything that will substantially
> alter the appearance of the engine will be unacceptable.
>
> So. Who's interested?
>
> Martin
>
> DOC UK Website: www.delorean.co.uk
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