Is there any info/threads/workshop manuals on changing the belts on the 4.2ltr SC engine?

Done a few searches and not a lot seems to come up for that engine.

Sonny '06 RRS Supercharged Cairns Blue

Not 100% but i'm sure I've read on here that the s/c are chain or do you mean the supercharger ? 2008 G4 RRSport TDV8 current
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The engine timing is on a chain on the 4.2SC spiteful Range Rover Sport tdv8

Hi Guys, sorry hould have made myself clearer, im aware the V8s cam chain driven, I meant the primary and secondly belts (V belts, aux belts) ones located at the front of engine. '06 RRS Supercharged Cairns Blue

Hi better to remove the viscous fan , then on the left as you look at the engine is the supercharger belt tensioner its a 1/2 inch drive size , once that is off the other tensioner is on the right and its 3/8 drive size , easy job to do, once belts are fitted turn over engine by hand , just to make sure belts are sat correct , any thing else just ask 2007 SUPERCHARGED HST

Ok thanks, do any of the plastic belt rollers or tensioner (if any) need replacing? Also how much tension is applied to the belts?

I did have a look at the online service manual thingymajig but cant seem to find a step by step procedure '06 RRS Supercharged Cairns Blue

Spin the rollers by hand and check for play , the tensioner put the correct pressure on the belts , all done for you mate 2007 SUPERCHARGED HST

Cheers mate  '06 RRS Supercharged Cairns Blue