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ROVER V8 worn camshaft? #662262
15/09/20 05:03 AM
15/09/20 05:03 AM
Joined: Nov 2018
Posts: 384
Germany, Rhein-Main Area
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xc68anc Offline OP
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Germany, Rhein-Main Area
Oh, at first I Must say: no Morgan... but a Range.

Yesterday my brother shows me his new car. British V8 powered. A 2003 Range Rover Evoque, 4.6 litre. 150.000 miles, some dents and scratches,
interior with a little sign of use.

But when he want to demonstrate the power... I think I miss the falling hammer.

I know the Rover V8 has problems (or it‘s usual) that the camshafts are worn and than the engine feels tired. So the question (I think it‘s the same engine as in the MOGs) how can I check the camshafts?

René

It‘s also about interest as my wife ask me this days: do you think about an upgrade in the MOG? A V8 would be on the wishlist... ;-)

Last edited by xc68anc; 15/09/20 05:04 AM.

2018 plus4
Re: ROVER V8 worn camshaft? [Re: xc68anc] #662267
15/09/20 05:30 AM
15/09/20 05:30 AM
Joined: May 2017
Posts: 894
auckland new zealand
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waikiore Offline
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auckland new zealand
Ah once I had decided to look for a plus 8 finally, I asked a local Rover V8 racer and preparer what to look for engine wise. He said that they are very strong and long lived with the usual proviso about alloy engines and coolant. (normal for me as I was used to 105 series Alfas). The one thing he mentioned was cam wear if the owner had neglected to do his regular oil changes, a lot of old Rover powered Rangies and SD1's were driven by old men here who neglected this necessary maintenance-they are prone to relatively early wear.


99 plus 8 indigo
Re: ROVER V8 worn camshaft? [Re: xc68anc] #662269
15/09/20 06:07 AM
15/09/20 06:07 AM
Joined: Apr 2019
Posts: 634
Lancashire
RobCol Offline
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Lancashire

I had the 3.9 litre MGR V8 which was the same engine as used in the mid 1990's Range Rover and +8in . The V8 engine has hydraulic valve lifters so the tappets were maintenance free but the engine operated at low oil pressure which meant oil changes at 3000 miles were recommended to prevent premature cam wear.

Mine had only done 3900 miles when I bought it, but cam wear could be checked by wear on the cam lobes which will be brown coloured with shiny edges if worn.

RPI Engineering are the V8 experts RPI Engineering.


Rob

4/4 Sport Grey

Re: ROVER V8 worn camshaft? [Re: xc68anc] #662274
15/09/20 06:19 AM
15/09/20 06:19 AM
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Germany, Rhein-Main Area
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xc68anc Offline OP
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Thank you for the answers.

The funny thing: it‘s a RHD. In Germany... And it was a bargain. So I think it was unloved the last years of its live. And I wouldn’t buy it...But my brother does.

I know about inspect the camlobes. But is there a way without massive enginework? The engine sounds good.

René

Last edited by xc68anc; 15/09/20 06:19 AM.

2018 plus4
Re: ROVER V8 worn camshaft? [Re: xc68anc] #662293
15/09/20 07:38 AM
15/09/20 07:38 AM
Joined: Dec 2008
Posts: 18,797
South Yorkshire
DaveW Offline
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South Yorkshire
The single camshaft can be inspected by removing the plenum chamber and the inlet manifold and gasket.
A quick check is to look inside the rocker covers. The Rover V8 builds up black tarry deposits without regular oil changes.

The camshaft on my Rover V8 was completely shot after ninety odd thousand miles. One lobe had almost vanished. Not my neglect by the way.


DaveW
2005 Corsa Red Roadster S1
2016 Saffron Yellow (Narrow) AR Plus 4
Re: ROVER V8 worn camshaft? [Re: xc68anc] #662351
15/09/20 12:51 PM
15/09/20 12:51 PM
Joined: Nov 2018
Posts: 384
Germany, Rhein-Main Area
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xc68anc Offline OP
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Thank you for the answers. In addition I found this (german):

https://www.velar.de/roverv8/nockeinfo/

They say the cam has -with luck- a life for about 150.000 KM/ 90.000 miles. So I turn to the optimistic side. The Range has 150.000 miles, so it must have a second cam (have I said I‘m optimistic). And I‘m sure a better quality. So we are looking forward for much more miles
without trouble from the cam.

René


2018 plus4
Re: ROVER V8 worn camshaft? [Re: xc68anc] #662362
15/09/20 02:29 PM
15/09/20 02:29 PM
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Posts: 494
Chester, UK
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Inspecting the cam is a proper job and requires quite a lot of disassembly. It’s tucked away right at the bottom of the V. If you are going there you might as well replace it but be warned. You’ll also need to replace the lifters and probably set the preload too. Even so it quicker to replace the cam and lifters than it is to get everything out of the way to inspect it. Built 3 or 4 rover V8 engines, nothing is difficult but much is time consuming.

As said above a look down the oil filler will give an indication of cam wear as will nice smooth idling.

Just a thought, you’d need to get the radiator out too (didn’t on the MGB I converted as there was a dodge)


94 plus 8 in Westminster Green - I think!
Re: ROVER V8 worn camshaft? [Re: xc68anc] #662381
15/09/20 04:15 PM
15/09/20 04:15 PM
Joined: May 2010
Posts: 7,315
Llanelli
sospan Online happy
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sospan  Online Happy
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Llanelli
Regarding the oil. Regular changes are worth it plus using the right oil. The tappet design needs an oil with ZDDP (zinc based additive) in it for protecting the tappets from wear. The engine oil pressure is lower than you might expect too, mine runs at 3bar on the gauge but this drops at idle in the Plus8. This is normal. There are two oil pressure sensors. One for the ecu connection (8 have the later Gems management system) that shuts down the engine if oil pressure drops, protecting the engine. The second feeds the gauge on the dashboard. I had to replace that one a couple of years ago as the gauge went haywire when the oil warmed up. Cheap and straight forward to do.


Red Plus8
Re: ROVER V8 worn camshaft? [Re: xc68anc] #662384
15/09/20 04:26 PM
15/09/20 04:26 PM
Joined: Nov 2018
Posts: 384
Germany, Rhein-Main Area
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xc68anc Offline OP
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Thank you for all the information.

My hope was that I can undo the rockerbox and measure the lift of the rockers.

As I rebuild a classic Mini engine and I‘m also in Harleys I know to have a look at a camshaft deep in the engine there is
a lot of work to do.

I told my brother about the general problem and that I miss the big hammer from a 4.6 V8. And that I think „don‘t buy“, but
he ´s bitten.

René


2018 plus4
Re: ROVER V8 worn camshaft? [Re: xc68anc] #662429
15/09/20 07:47 PM
15/09/20 07:47 PM
Joined: Feb 2020
Posts: 166
Cotswolds
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Cotswolds
RPI are the go to V8 specialists UK. As previously said, by the time you strip down to do a full inspect, might as well replace. My lifters in the 4.0 were sounding ticky after sump plug loss and oil drain, and I feared the worst. But a good dose of proper engine flush from my trusted local garage ( not the cheap stuff from regular autofactors) and a good days run seems to have sorted them. I always use zddp additive every oil change. Mines every 5000 miles, and a large proportion of motorway miles. I notice the difference immediately after the oil change, so wouldn't want to leave it any longer. Go for a quality oil flush, and regular oil changes to get more miles.


"DOT" 35th Anniversary Edition Plus 8- family owned from new. Rolls Royce Pewter.
06 Saab 93
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