'71 Rover P6 with OM605 compound charged

'71 Rover P6 with OM605 compound charged - Printable Version

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'71 Rover P6 with OM605 compound charged - simonm16p6 - 10-02-2014

I guess I've got to a point where stuff is actually happening with this car, rather than bouncing between different engine options I've committed to fitting my OM605 lump and getting it running

[Image: 100_4414_zps5d6c076e.jpg]

It's a Rover P6, formerly a 2000 auto, the most gutless engine in the range and not really desirable so worth 'enjoying' Angel

. We've had it parked up for years, friend of a friend offered it to my dad knowing we were into them, so we dragged it back, poked and prodded the rust holes and got it running. It's been off the road for a while, but the interior is good, and most of the bodywork is presentable

[Image: 100_4427_zps24bac6af.jpg]

The sills are rotten in places, but are a fairly easy fix. The rear inner wheelarches have suffered a bit more so need lots more time throwing at them, but that stuff is boring so onto the engine, out with the old and in with the new Big Grin

Now things started to get difficult, the OM605 has a front bowl sump, but the Rover has a substantial front crossmember which carries the lower front suspension arms, and obviously these don't mix unless you're into engines sitting comically at silly angles hanging out of the bonnet! Seeing the thread on the rear bowl sump was the trigger that got this project really moving, so after some research I splashed the cash and bought an OM647 sump and oil pump, roughly bolted them in place and swung the OM605 back in and it fitted about as good as I could hope.

Anyway, the engine I've had for a couple of years, originally bought to fit in my Land Rover, and has been sat in the corner of the garage being fiddled with as I've been reading about stuff on here and elsewhere and learning my way round it. Bought as a cut-out from a breakers, it was mostly complete and almost in running condition

[Image: 100_4052_zps9c51a5e7.jpg]

A mechanical pump was bought and fitted so I could run the engine on the garage floor

[Image: 100_4078_zps2c770a7a.jpg]

https://www.youtube.com/watch?v=bp3dAa-ooRs

Reading this forum is a bad influence, things couldn't be left alone for long....

I had my heart set on going compound charged, so bought a Holset HX35, and an Eaton M62 and set about attaching them to the engine...

[Image: 100_4105_zps97dcec16.jpg]

The reason I went with box section is I had some, it's quick and easy to stick together and I've done another turbo conversion using box for the manifold, just not quite so big! I also fitted the 6mm elements to the mechanical pump, and set about firing it up again to see what would happen...

https://www.youtube.com/watch?v=ZW7zl9l0wTw

That worked, so next was to hang the Eaton M62 off the side...

https://www.youtube.com/watch?v=JyL4j6vx6FY

After that I made a plenum box to go from the supercharger into the intake and try to measure the boost with some calculations. They didn't look like it was worth the effort, so a quick ebay search found a suitable Eaton M90 to try out...

https://www.youtube.com/watch?v=1xEZV7sRstQ

Much better! By this point, I'd bought an OM606 to go in my Land Rover, so the '605 was left in the corner yet again. It had donated it's dual mass flywheel and clutch to the Land Rover, so a lucky spot on ebay turned up a solid flywheel from a 230E, with a scrub up and a light dusting of black aerosol it was fitted, and some research went into suitable clutch plates to match the Land Rover gearbox as an alternative to the dual mass

[Image: 100_6176_zps61f875c7.jpg]

The Land Rover gearbox family from the mid 80's to present comes in 4wd or rwd form, so using a spare rwd gearbox I fidled about trying to make another gearbox adapter

[Image: 100_6187_zpsa32f16af.jpg]

Again, reading on here I learned of the Ssangyong Musso using a T5 gearbox, which has a removable bellhousing, so one of them was also bought

[Image: 100_6193_zpse8848ef2.jpg]

Next was to knock up a gearbox to bellhousing adapter...

RE: '71 Rover P6 with OM605 compound charged - simonm16p6 - 10-02-2014

Two plates of 10mm aluminium were marked, cut and drilled to join the bellhousing to the gearbox

[Image: 100_7282_zpsb67fdcc6.jpg]

To make the alignment as accurate as possible, lots of measurements were taken, and the final check was done with the engine sat upright on the crankshaft pulley and the gearbox dropped down on the bellhousing from above. Seems to work well enough!

[Image: 100_6798_zps79227874.jpg]

Now getting closer to the present, and when I bought my pair of rear bowl sumps for both the Land Rover, and by now my mind was 99% made up on dropping the OM605 into my Rover project

[Image: 100_7099_zps497f4e93.jpg]

With the engine upright, the old sump and oil pump were removed, and the new OM647 sump and oil pump fitted

[Image: 100_7126_zps57e635c7.jpg]

The trial fit was a success, the engine dropped down a lot further into the engine bay, so next up was to get it mounted and running with the new sump fitted. I needed to make a new windage tray to fit over the bowl, but not having the right bossed main cap bolts in the 605, but an excess in the 606, I decided the best thing to do was to swap some between the two

[Image: 100_7547_zpsdb4b510f.jpg]

I cut and folded a bit of aluminium, and with some spacers fitted that to the main cap bolts

[Image: 100_7548_zpsdbcbf626.jpg]

The front mounted dipstick was also removed, and the hole plugged with an M12 bolt screwed straight into the timing cover with loctite

[Image: 100_7546_zpsc8065fd8.jpg]

So with the sump and oil pump fitted properly, it was back in with the engine, can of diesel over the side and fire it up again because I can Big Grin

https://www.youtube.com/watch?v=jU-SeJ2-_-w

That's pretty much as far as I've got on the engine, lots of plumbing to do to get it running on the key Smile

RE: '71 Rover P6 with OM605 compound charged - pryantcc - 10-03-2014

Great work! It still looks a smidge high inthe engine bay though, no?

RE: '71 Rover P6 with OM605 compound charged - Duncansport - 10-03-2014

Nice work!

RE: '71 Rover P6 with OM605 compound charged - simonm16p6 - 10-03-2014

(10-03-2014, 06:58 AM)pryantcc Great work! It still looks a smidge high inthe engine bay though, no?

Yep, still sits high, so I expect I'll be cutting a few holes in the bonnet for the rocker cover and turbo to poke through! I could still notch the corner of the sump at the front, there should be enough room beside the oil pump to do so which would gain a little extra space, allowing the engine to drop down further then slide back another inch or two. I have a tig welder, but no argon yet, anyway, I'm quite happy with how it sits for now, get it running first then worry about the cosmetics later!

The alternator will be moved to underneath the supercharger, and I have a spare alloy inlet manifold from an OM606 to cut down to fit, and also a chargecooler from a Jaguar XJR6 that could possibly find it's way into the mix Cool

RE: '71 Rover P6 with OM605 compound charged - simonm16p6 - 10-03-2014

This is how the engine now sits in the engine bay, the mounts are standard Land Rover rubber donuts, not very good at handling power as they tear easily, but for the sake of getting it running and driving are good enough to start with.

[Image: 100_7544_zpsd9c4a44a.jpg]

There's room to turn the supercharger round, and mount the alternator underneath.

My spare inlet manifold and chargecooler:

[Image: 100_7654_zps856b83a1.jpg]

Again, I've not decided how or what I'm going to do with these, one idea is to try and tig weld the manifold runners to the chargecooler, another is to make a new inlet manifold flange and weld new runners to the chargecooler completely from scratch. I think it's whatever fits best and how well I can weld that will decide what happens.

RE: '71 Rover P6 with OM605 compound charged - mantahead - 10-04-2014

nice build man, something different

RE: '71 Rover P6 with OM605 compound charged - raysorenson - 10-04-2014

I like that exhaust manifold. That's great stock for a log-style.

Have you looked into the Advance Adapters motor mounts? They might work with the brackets you fabbed and they're bulletproof.

RE: '71 Rover P6 with OM605 compound charged - simonm16p6 - 10-05-2014

(10-04-2014, 09:28 PM)raysorenson I like that exhaust manifold. That's great stock for a log-style.

Have you looked into the Advance Adapters motor mounts? They might work with the brackets you fabbed and they're bulletproof.

I had the metal and done something similar before, and it fits fairly well for a wild guess. It does have a distinctive sound, difficult to pick up on a camera due to the turbo being at the end.

My plan is to use so form of rubber bush for the engine mounts, until I get most of the plumbing routed I can't be sure of how much room I need for them. On another Rover project the mounts were central along the length of the block, and extended upwards to sit on the chassis rails which is something I'd like to do again. The rubber donuts are there as I was previously planning on fitting a turbocharged V8, and by chance the block sits close enough to pick up on them.

For the back axle, the standard Rover DeDion axle was removed as it is marginal on the V8 variants, and a Scimitar axle bought from a local scrapyard

[Image: 100_6731_zpscbc5ff7b.jpg]

Fitted with a powerlock lsd from a Jaguar

[Image: 100_6809_zps1ad035ee.jpg]

It's been stripped down, cleaned, painted and the brackets modified to fit parts of the original Rover suspension for ease of alignment and installation

[Image: 100_7533_zps81279094.jpg]

The axle is more or less where I want it to fit, so tidying up and reinforcing the brackets is next.

I'm not sure if I'll go with the jacked up look (easier to get underneath to work on it) or drop it back to near standard ride height....

[Image: 100_7312_zpsd0c9b17b.jpg]

RE: '71 Rover P6 with OM605 compound charged - Edian727 - 10-05-2014

was that irs to begin with? I've never seen one of these just wondering exactly how it was changed up, looks like IRS originally then u used the orignal arms as lower links in a 4-link, is that right?

RE: '71 Rover P6 with OM605 compound charged - mbz123 - 10-06-2014

(10-05-2014, 03:32 PM)simonm16p6 For the back axle, the standard Rover DeDion axle was removed as it is marginal on the V8 variants, and a Scimitar axle bought from a local scrapyard

Sooooooooo, what's in the box???? LOL

No need to answer, just neat seeing other fun-guise on the non-fun forums I follow.

Build is coming along nicely, doe. What do you estimate total weight is or will be? Dat thing looks light on its toes. ;-D

MBZ123