Volvo/Yamaha V8 engine modifications.

**JUDGENINJA** · Monday 2nd June 2014, 01:42

Doing some random dreaming recently... Anyone know where you can get the specs of performance upgrades to turn the V8 4.4 XC90 engine into a Noble M600 equivalent monster??

I know we are talking modified twin turbos etc and the costs would be astronomical, but is must be possible to get a starting point..

Did they change the pistons/cams/crank? Is the block reinforced? Anyone surf the crazy Swedish sites to find someone who has already done it?

**p fandango** · Monday 2nd June 2014, 03:23

bore & stroke are the same (94mm x 79.5mm), but compression ratio is lowered from 10.4:1 to 9.5:1 on the Noble. It still keeps the 60degree V between cylinders so looks like all the external casing is standard

i couldn't find any spec on the turbo's, apart from there twin Garrett & run to a max of 1.0bar in race mode

**claymore** · Monday 2nd June 2014, 08:43

Originally Posted by JUDGENINJA

Doing some random dreaming recently... Anyone know where you can get the specs of performance upgrades to turn the V8 4.4 XC90 engine into a Noble M600 equivalent monster??

I know we are talking modified twin turbos etc and the costs would be astronomical, but is must be possible to get a starting point..

Did they change the pistons/cams/crank? Is the block reinforced? Anyone surf the crazy Swedish sites to find someone who has already done it?

Oi, stop nicking my ideas

, I'd like to know what manual fwd gearbox might fit.

**M-R-P** · Monday 2nd June 2014, 08:57

Originally Posted by claymore

Oi, stop nicking my ideas

, I'd like to know what manual fwd gearbox might fit.

That engine was mated to an M66 on the S60 for the brief period it was made.

**claymore** · Monday 2nd June 2014, 08:59

Originally Posted by M-R-P

That engine was mated to an M66 on the S60 for the brief period it was made.

well, logic would say that if you can fit an M66 onto an 850 engine, then it should be possible to fit an m56 onto the V8

**M-R-P** · Monday 2nd June 2014, 09:07

But would the V8 fit in place of the rear seats of an 850... now there's a question

**jdavis** · Monday 2nd June 2014, 16:15

That's a question that needs answering as well Martin.

**claymore** · Monday 2nd June 2014, 16:29

Originally Posted by M-R-P

But would the V8 fit in place of the rear seats of an 850... now there's a question

well, you'll just have to wait a couple of years for the next set of upgrades

**p fandango** · Monday 2nd June 2014, 17:10

Originally Posted by M-R-P

That engine was mated to an M66 on the S60 for the brief period it was made.

That doesn't mean it was a standard M66 tho. 850 TDi's use the M56, but it's got a special bell housing to fit the Audi engine

**M-R-P** · Monday 2nd June 2014, 17:14

Originally Posted by p fandango

That doesn't mean it was a standard M66 tho. 850 TDi's use the M56, but it's got a special bell housing to fit the Audi engine

True but how hard can it be ay?

**claymore** · Monday 2nd June 2014, 17:30

Should be easy enough to make an adapter plate

**Wobbly Dave** · Monday 2nd June 2014, 20:44

Look what I found in Coventry...

http://www.ebay.co.uk/itm/VOLVO-4-4L...item51be2b7322

**p fandango** · Monday 2nd June 2014, 20:48

Originally Posted by Wobbly Dave

Look what I found in Coventry...

http://www.ebay.co.uk/itm/VOLVO-4-4L...item51be2b7322

we used to buy our boat engine's from them lol

**AndysR** · Monday 2nd June 2014, 22:14

Wow didn't realise the XC lump was a 60 degree Vee, that's quite unusual for an eight they're usually 90 degree with the six's usually being 60. I'm guessing they didn't need to open the vee up so much originally as they had the room under the bonnet (height).

**Harvey** · Monday 2nd June 2014, 22:52

Nice s40 so it can fit a v8 in.

http://forums.swedespeed.com/showthr...?145000-S40-v8

**M-R-P** · Monday 2nd June 2014, 23:12

Originally Posted by AndysR

Wow didn't realise the XC lump was a 60 degree Vee, that's quite unusual for an eight they're usually 90 degree with the six's usually being 60. I'm guessing they didn't need to open the vee up so much originally as they had the room under the bonnet (height).

I expect it's because they had to fit the block transversely in a slot originally designed for a piddly little 5-pot