Why They Hate The DeLorean PRV Engine
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- čas přidán 29. 04. 2022
- The PRV is a joint project of Peugeot, Renault and Volvo, hence the name. It propelled dozens of sedans, limousines, sports cars and race cars. Many people do not like it, but some think it unfairly received a bad reputation?
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The PRV V6 was unrefined and needed better oiling. To me, if it had a better oiling system from the beginning plus reliability being the number one endeavor it would have been received better. It should have had split crank pins from jump.
I constantly forget the Venturi exists and then I'm delighted when I'm reminded about it. Such a cool car.
One of the most original channels on YT. No one has video formats quite like yours… i really love how you branch out from otto-cycle automotive performance to other interests like large stationary engines, heavy duty equipment, and diesels! Thanks man!
I am a retired Volvo master tech who won the trip to Sweden in 1980 so I am very familiar with this engine. This thing was a highly developed bad idea right from the start. The first B27 was nothing more than two 3cyl engines sharing a crankshaft, the right and left bank had different cam and ignition timing. The B28 was a little better, it had hydraulic cam followers if I recall but still an uneven firing order. The B 280 was the best because it had offset crank journals which then had the same firing order as a 60deg v/6. That one also had modern electronic ignition and fuel injection.They all had an aluminum block with wet sleeves and all it took was one overheat and the block distorted and it was coolant in the crankcase city. Flimsy paper shims were used to set sleeve highth and was critical to get the proper crush between the sleeve and the head. We finally stopped trying to rebuild or do any major block repairs and just used exchange engines.
I had a '95 Renault Safrane with the 3.0 PRV for 8 years. I sold it with 369.000 km on its back because of rusting issues, the engine was still perfectly fine. So I have nothing to complain on this engine.
Well french is always well-known for their quirkiness
These engines suffered from high speed timing issues. Once it hit 88 mph or so, it would definitely go out of time.
No no no. Nobody hated the engine. They hate that its limited by the extremely weak transmision.
In reality, the V6 PRV is not a "cut down V8": the project Peugeot/Renault/Volvo was sinze the debut for a V8 AND a V6, with a maximum common parts to reduce costs, but for the same econony reasons, there was at launch no electronic ignition, no injection, a tractor like exhaust pipe, no offset crankshaft for the V6 to made it run smooth (was the same problem on the V6 Maserati 1970-1975!!!) , this was made later (too late to erase the bad reputation), in 1985, first on the Renault 25 turbo 2,5L 185hp (later 2,8L 205hp). 90° V6 are common because they are more compact in hight to fit modern cars... The V6 PRV was sinze the début a very robust engine, but to avoid head gasket leaks , it need a gentle warming up before take the pedal down ,like many other aluminium blocks...The most powerfull serial V6 PRV was on the Venturi 400 (405hp, biturbo) and the most powerfull race engine was a 3liter biturbo 910hp who take the speed record on Le Mans 24h race with 405km/h!!!
Peugeot managed to squeeze 680bhp out of a twin-turbo PRV in the Oxia concept car.
The "cam wear" was actually the rockers being soft and/or poor oiling of the heads. This was corrected in later engines. But the far more severe problem was that the cylinder sleeves would eventually start to move = mixing of coolant and oil.
I am a bit older... and from Europe.... In the early 90s i got the chance to drive a DeLorean here in germanay.
oh, that Alpine,
Well, when it comes to the DeLorean, they were very much limited by the emission laws of the time in the US...and by time and money. :D
I had a 1981 Volvo with this engine, it was great I loved it. I also drove a Citroen XM with the 24v engine, to this day I have never driven a more comfortable and well handling car.
Thanks for having spot-lighted an underrated engine. It would be nice to hear the original V8 voice..
I like when people say 'it's underpowered', when you could have a Safrane with 270hp in the 90s... and also a 400hp Venturi. And that's only the ones you can drive on the road legally, suffice to say you won't reach 400kph at the Mulsanne straight with a slug.
Is it just me or your English pronunciation has improved dramatically ? (Really no need for subtiltles anymore)
Thanks for being honest (and well informed as usual of this channel...) about this engine.
Informative video, thanks for posting. You assembled quite an array of vintage film footage for this, and your hard work is apparent and appreciated. I like your channel very much.