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avalaugh

Turbo Charged build thread...

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Add back the 60hp to drive the charger plus all the other improvements and you'll ease in 450bhp at the same boost as your SC kit, with probably twice the torque when the boost comes on in the mid range. Then lean on it & give it 1-1.2 bar and 550 should be fine.. Traction & blown driveline bits will be the problem :)

Paul what are you doing about ignition? Do you want my ignition projects coils?

Nice meaty top ring lands on those pistons

Edited by govich

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Hey Govich I may be interested in the coils, will email you.

I’m looking at 20-22psi now so should be close to or above 600 now [emoji15][emoji15][emoji15]


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Still not much progress but the parts gathering is almost complete. Will see a big leap over Xmas hopefully.

But here’s a teaser, still working on this manifold but it’s not far from being ready.

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Santa arrived early [emoji12]

Block, head and crank are back from the machine shop, exhaust and manifold, plus many more parts all arrived today.

Time to get busy
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Got stuck into cleaning the block today, the varnish on the inside was pretty horrid.

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Time was against me today so didn’t take as many pictures as I’d like to have done.

Got the crank all clean too. Unfortunately the new crank bearings I had ordered didn’t fit, the tangs were too wide
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Just cleaned up the old ones and have used those, all were in good condition only having covered 64,000miles.


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Had to file the top of the EAGLE con rods slightly as they were binding on the WISCO pistons, that took a while as they are mega hard steel [emoji23]

Then spent hours filing the pistons rings to spec as they are file to fit rings.

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Then assembled all the rods and installed them with new KING RACING big end bearings.
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Today I installed the uprated oil pump from PARKIN RACING DEVELOPMENTS.

It has a much stronger internal shaft and 4 fastening bolts for the sprocket, also come with a tensioner for the chain which will stop any chain slack acting as a jack hammer, this is the main cause for the oil pump failures and the reason the original single sprocket fastener comes undone [emoji15]

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Looking really good Paul. Some nice parts being used!

Do the m54s require a baffled sump or are they baffled from the factory ?

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There are baffle kits available but it’s not really needed unless your into high speed drifting, and I can’t drift for s**t lol.


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Short block is all buttoned up now, all new gaskets and seals installed, have finished fitting the TIMESERTS into it also, will take a picture of that when I remove the protective tape.
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Started work on the intake ports, they needed widening quite a lot to allow a smooth flow for the M50 intake manifold.
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Have also started test fitting the exhaust parts, it’s very tight for clearance and lots of trimming was required from the valve cover unfortunately
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Intake ports all finished, had to tap out the CCV air ports that are in each intake port, these have to be blocked as the M50 manifold does not accommodate them.

So just tapped out a thread in each one and fitted a M10 grub screw in which is loctited in place also.

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Finished installing the TIMESERTS into the block
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The block has been drilled earlier, see previous posts, the timesert gets loctite on the outside threads, then screwed in by hand
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Once it’s flush with the top of the block, I used an M10 roll tap (or flute tap some call it) as these form the metal and don’t produce any swarf. You MUST lube up the threads on the roll tap, then simple run the tap down the TIMESERT, it will screw into the block further then it will get a bit tighter as the bottom few threads are forced out into the alloy block and lock it in place.

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Once the tap has bottomed out, simpley remove it and your done.
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Then I installed the RACEWEAR head studs, again by hand, and applied blue hylomar to the lower threads only, all this is for is preventing corrosion should I need to remove them at a later date.

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Then on went the COMETIC headgasket, followed by the head, and finally all torqued down to RACEWEAR’s specification.

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Love it! Great attention to detail with this and getting closer to slapping that turbo on it [emoji4]


Still a way to go yet Rich :(

Have wiring mods, and many hours of test fitting and trimming to go yet, plus brackets to be made up for the intercooler and oil cooler......... it seems like an endless list but will be worth it once completed.


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Decided I should tap some extra holes in the M54 head to firmly secure the turbo manifold.

The M50/52 engines have 8 extra studs compared to the M54.
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Now each port has 4 studs [emoji108][emoji106]


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Started some final assembly today and ran into a few fitment issues, so having to get the down pipe modified, buts it’s starting to look mighty fine

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Great build. Curious, what standard components will need relocating/eliminating? The washer reservoir maybe? Will the turbo clear the standard bonnet? How about heat management?

Impressive stuff! 👍👍

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Have had to remove the air con stuff, and relocate the washer bottle, that’s it, and yes the Bonnet clears [emoji106]


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