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R35 Engine Replacement Problem

Dominic

By Dominic,
in R35 GTR

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Dominic Rising Star

Dominic

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After blowing the engine of the R35 into 4,823,163 pieces (Yes I counted) I decided to get my local mechanic to fit the engine rather than doing the sensible thing and send it to Martin at Willal.

WELL on opening up the lines etc there are pieces of engine in the oil cooler, in the filter in all the oil lines we even found a gudgeon pin in the throttle body.

We are going to flush everything out but how can we be sure that there is no shrapnel left in the circulatory system of the car.

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https://www.sau.com.au/forums/topic/369242-r35-engine-replacement-problem/
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Birds Grand Master

Birds

Posted
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:O

There's probably no easy way to do that, other than manually disassembling all connections and peering into / flushing them. Assuming fluid can sufficiently pass through the circulatory systems when you flush them, they should be safe. Worst case scenario something dislodges down the track and blocks up the works, but shouldn't cause instantaneous catastrophic damage unlike things trapped in the intake.

The intake and breather side of things is, at the least, what I'd be pulling apart piece by piece and either replacing or making sure they are free of shrapnel. Anything that can make its way into the throttle body etc.

Metal detector / stud finder might be of use?

Beer Baron Grand Master

Beer Baron

Posted
Posted

replace the oil cooler cores. too many fine passages in there and just too big a risk to flush and hope for the best after a catastrophic blow up. remove and flush all the oil system lines and even the cooling system (un-usual for stuff to get into the coolant circuit though). as far as inlet goes I'm sure head has been replaced/rebuilt so just need to remove the inlet and exhaust manifolds and clean them out properly.

Dominic Rising Star

Dominic

Posted
  • Author
Posted

I guess I'll be the first to ask....

how did it happen?

F....d if I know!

Just driving through turn 9 (The one after Corporate Hill) at Eastern Creek when I heard a huge bang.

I thought it was a tyre blow out until the car came to a slow halt leaving bits and pieces of car across 800 metres of track

Ant97GTR Grand Master

Ant97GTR

Posted
Posted

If you are concerned even after flushing and pulling stuff apart consider mesh filters in various supply lines to the engine (coolant/oil etc etc) after putting back together. Similar to the ones used in dry sump setups.

domino_z Mentor

domino_z

Posted
Posted

F....d if I know!

Just driving through turn 9 (The one after Corporate Hill) at Eastern Creek when I heard a huge bang.

I thought it was a tyre blow out until the car came to a slow halt leaving bits and pieces of car across 800 metres of track

warranty? or was it mod'd?

saliya Rising Star

saliya

Posted
Posted

After blowing the engine of the R35 into 4,823,163 pieces (Yes I counted) I decided to get my local mechanic to fit the engine rather than doing the sensible thing and send it to Martin at Willal.

WELL on opening up the lines etc there are pieces of engine in the oil cooler, in the filter in all the oil lines we even found a gudgeon pin in the throttle body.

We are going to flush everything out but how can we be sure that there is no shrapnel left in the circulatory system of the car.

SURE = 100%. You cannot be sure. Apart from replacing the entire system.

But you can be reasonably sure. Flush lines and components with solvents, look at the outflow.

Throw stuff that has small gaps (e.g. oil coolers), hope for the best.

Cheers,

SW

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