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Identical scenario as me... (Just replace the Golf with an A4!)
I've been looking for the right spec 330D touring for 2 months now, cannot find one at all! But it needs to be Msport, pro nav, less than 100k miles etc.
My A4 has creaking suspension, the speakers work when they feel like it...
The Renault items *might* be fine, all depends how your clearances measure up... If they're out, look at King or Glyco bearings - They offer different sizes for the F4R engine.
The colour relates to clearance / size of the bearings IIRC... Renault installed different size bearings to accommodate tool wear, when manufacturing the engine.
Annoyingly, Renault only supply 1 set of main and big end bearings for the engine - As you've found out.
Your best bet is having the...
My A4 Avant PD130 is on 177K miles... Original engine, turbo, clutch etc. She runs perfectly.
In 37K / 2yrs it's only cost me service consumables, a broken rear spring and front lower arms.
Why go to all that expense and effort with the engine, but keep stock rods... I cannot see them lasting long at your power level.
I'd look into that, cannot imagine ED fitting standard rods on a "built" engine.
500 miles is plenty to run an engine in... Everybody has their own opinions / methods, I just gave mine plenty of varied load and didn't let it sit idling.
I did probably went OTT, but I got the oil cheap so didn't mind using it.
50 miles, changed oil and filter... no chunks of bearing, job's a good 'un :)
300 miles, changed oil and filter with Millers CRO.
500 miles, changed oil and filter with Millers CRO.
700 miles, new filter and fully...
I would be cranking the engine (without fuel + spark) to establish oil pressure... If you can, use a mechanical gauge to check pressure.
If oil pressure is good, fire her up! DO NOT let it idle, the engine needs load to bed the rings in. When I started my forged engine first time, I held it at...
pointless thread is pointless.
Impossible to tell without stripping down the timing cover and inspecting the belt, tensioner and idler condition.
If in doubt, don't risk driving it...
Those pistons will be a *slightly* different size, depending on tool / casting ware from the factory... Measure them up.
Laguna uses the same block, you normally find they're in better condition, due to running less power / abuse.
That's one thing I can confirm... The guy has an annoying attention to detail and doesn't let jobs leave unless they've got his GingerRage™ approval :)
If anything needs doing while it's up here, I am happy to help (read: annoy / frustrate / harass Mick even more than I do already)... But...