====== 3: Some Engines ======

**[[2_grinding|...Continued from previous page]]**

===== Another Engine =====

Having the 4.6 block, I'd sold the old 3.9 to a mate but then realised I needed a front cover, sump, and all that jazz to build the 4.6 up... so I bought a shagged out 3.5 lump from RR Parts for cheap and had all the ancillaries off it.

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Here you can see one of my working situations - on a trailer in the alleyway behind my house. My vehicle itself was 50 miles away so this made mid-week operations a bit of a chore. People kept dumping shopping trolleys in the alleyway, which came in pretty handy as you can see.

===== Sticking Bits Together =====

Now the long process of sticking it all together begins... however, unlike most Land Rover or classic car rebuilds, re-assembly was NOT going to be the reversal of removal. A LOT of stuff was going to need modifying.

First off, the Gon2Far suspension mounts were welded on - these allow the spring to twist more easily off-road and are locked on-road. In reality I forget to unlock them 99% of the time.

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Here you can see the naked Volvo axle slung approximately where it needs to go (on the centre bolt of the leaf spring) with temporary extended shackles cut from a piece of TXE/Type 62 Telephone Exchange steelwork.

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===== Engine Buildening =====

As I'd never built an engine before and it was a job that could happen "at home" (outside of quality "lab time") I dragged my junk round to Nige Barker ([[http://megasquirt-v8.co.uk/|Megasquirt-V8]]) and he helped me bolt it all together.

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The trigger wheel for the EDIS crank position sensor is mounted on the front pulley after a tickle on the lathe

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A big pot of special nuts & bolts - the Rover V8 has a few oddities and I wasn't flush enough or sensible enough to just buy a full set of new fasteners for the engine. These came from the donor dead 3.5.

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I was at least flush enough and sensible enough to buy ARP head studs and a duplex timing chain kit for it. Given the low cost and added loveliness (especially head studs) why anyone wouldn't do this by default is beyond me.

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Bits cleaned up in petrol before fitting.

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The heads from the 3.9 going onto the 4.6, technically you lose a //little// compression this way (if you use the better composite head gaskets) but it's negligible, although some //very// angry people on the internet will swear blind you're ruining everything.

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Following the ARP stud tightening/torque guide, which is different to the standard head bolts.

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All built up - the SERVICE written in marker pen and the Land Rover plaque glued to the front attest that this was a factory service-exchange 4.6 unit.

**Forwards to [[4_assemblage|some actual assembly!]]**