HOW TO REBORE AND HONE AN ENGINE BLOCK Step By Step

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Getting the broken N14 Mini Cooper S engine rebored at Barum Engines to accommodate for the new .50mm oversized pistons.
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16 авг 2022

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Комментарии : 114

@SavingMinis 6 дней назад

Really enjoyed this. And thank you to Lee. It always fascinates me that these shops use machines older than me, and the way everything was converted and done in imperial is great. Once again really enjoyed that.

@stuyoung8572 Год назад

……aaaaahhhhh, those were the days, pre-CNC, when it was all done by touch & feel 👍🏻❤️

@GeorgeAusters Год назад

Pure craftsmanship👌🏻

@markymark7200 Год назад

Wow incredible precision, this is one skilled guy, great to watch.

@GeorgeAusters Год назад

Thanks Mark!

@Impulse5596 Год назад

Amazing old school engineering, make sure Issac is encouraged to stay

@IsaacBarum Год назад

I love it, becoming a lost art and I’m glad to be involved!

@PulediMolewa 2 месяца назад

Old school engineering is the best

@Roadkill7878 Год назад

Nice to see the process and the precision work involved

@jamespadbury4302 Год назад

Lots of skill and knowledge right there, glad your pushing on with the mini 👍👍

@IsaacBarum Год назад

Great to meet you George, hope you had a good experience and hope the build goes well

@GeorgeAusters Год назад

Likewise mate, you’re doing so well at such a young age!

@granthansen7438 Год назад

great video george, proper interesting stuff, takes me back to my days as an apprentice honing bores with an air drill on low speed and lapping valves in by hand on truck engines!!!

@simonharbour1701 Год назад

Thanks George. Very interesting and entertaining. Looking forward to seeing you put it back together

@fatwalletboy2 Год назад

Brilliant video. Lee really knows his onions..id have full faith in his work.

@admodz3292 Год назад

Glad you took my advice on hitting up barum engines

@chrisgermann6658 Год назад

Cool i follow these guys on youtube, they are more or less the cosworth motor re builders of the land lol

@michaelclutton8446 Год назад

Thanks for the video, good to watch someone who is really skilled. I am looking forward to the rebuilding videos

@GeorgeAusters Год назад

Thanks Michael, a lot more to come on this car!👌🏻

@paulchilvers5032 Год назад

I spent some time in Jaguar's engine shop in the early 80's. It's interesting to see that the Imperial to metric issues that I experienced there still persist 40 years later

@veritasaequitas9875 Год назад

Great video lads. Thanks.

@derekgb3780 Год назад

Some classic, old school engineering going on there.

@jackbean4693 Год назад

Great video lads

@craigtrigg4288 Год назад

great interesting mini video mate love minis

@davidmclean6178 Год назад

Thanks George for the great video. I started watching you after Lee recommended you & mentioned that you love BMWs. I've been watching barum for a few months now and I have a 2004 BMW 530i that was originally bought in New York and after 4 years it came to Canada in British Columbia Vancouver where I live. I've got 173,000 miles on it and in the last 2 years I've replaced the front suspension and all the CCV system, all the solenoids, sensors, valves on the engine and it runs like new. It was great seeing the process Lee does from start to finish in a way that he would have a hard time doing without a camera man. Looking forward to seeing your car finished.

@davidmclean6178 Год назад

I've always wondered what the block & line were on the top of the engine block when Lee showed the honing machine. Thanks to you we now know that it's the oiling line!

@GeorgeAusters Год назад

Glad to have you here David, hope you enjoy my videos👌🏻

@dereklivesey3357 Год назад

A very interesting video George, you cannot beat old school engineering. I am looking forward to the rebuild, I hope it all goes well for you buddy. 👍👍

@GeorgeAusters Год назад

Cheers Derek!

@bowmankelley1 Год назад

Excellent video, a rare glimpse behind the scenes for me.

@GeorgeAusters Год назад

Thanks!

@911engineguy Год назад

Very informative video. Nice work.

@GeorgeAusters Год назад

Cheers 🙌🏼

@barryford7135 Год назад

Already a subscriber to Lee at Barum engines, top bloke. 👍

@GeorgeAusters Год назад

Glad to hear!

@davidedgar2818 Год назад

Very informative video. We had a great machine shop doing our machining. I wish I had taken more time to go in depth on certain machining processes that you have covered so well. I think I could have been a much better mechanic.

@douglasgreen437 11 месяцев назад

Great job well explained..

@GeorgeAusters 11 месяцев назад

Glad it was helpful!

@professoram1711 Год назад

Very nice George, please keep going with this nice Mini project. Don't let bad facts dampen your efforts. Thank you a lot!

@EnockKakamba Год назад

Very interesting

@colinblick4903 Год назад

Ye I’ve had a few rebuilds done on several motors….. some ole stool skills are still the best… an by some top engineers😎👍🏼…. All best with the rebuild George.

@GeorgeAusters Год назад

Thanks Colin!

@joehodgekins8423 Год назад

Just subscribed to Barum

@BEYTEK 7 месяцев назад

grea insight

@DIZZYDAZZLER2011 Год назад

See these young kids will never do this old school engineering with their smart phone !!!

@markpearson5488 Год назад

Hi George, fantastic vid really, really enjoyed, hope you had a good experience there, must of been great to follow the whole process, you can probably guess what I'm going to say next? When you building it , how long till vid?? Your a legend 👏 Mark

@GeorgeAusters Год назад

I’ll get onto the rebuild as soon as possible, just need to finish up a couple of jobs on other projects first👍🏻

@DocMackGarage Год назад

That machine looks very very easy to use, I would have split the block and thrown my tools lol jk. That is one talented guy.

@DaveNorthWest 4 дня назад

Hey so is a 1mm a universal running clearance for most all gas combustion engines? Im about to try my first boring job on a 350quad fourstroke motor and but don't know what the running clearance is or ring gap. I was just going to copy down the original clearance that's already on the piston and cylinder and from the looks it is about 1mm on the dot. Thanks

@Slim885 Год назад

Lees new van in the end scenes 😎

@GeorgeAusters Год назад

Yep looks sweet!

@neildonaldsonlotusexcelresto Год назад

Is that the fellow that is restoring a TVR Cerbera?

@simon_sjw9973 Год назад

Cool video gents

@GeorgeAusters Год назад

Thanks Simon!

@malcolmbriggs4281 Год назад

My father used to rebore engine's he had a "Van Norman" machine.

@tomrogers7 Год назад

Nice one George the rebore along with the standard material type oil scraper rings (as opposed to carbon) should cut your oil consumption considerably. I would have expected dry film lubricated skirts to have a slightly tighter piston to bore clearance vs Oem pistons? Not sure if they have the coating from new but my pistons certainly didn’t have any left 😂 Are you planning to going for big power or just standard. Cheers Tom

@GeorgeAusters Год назад

Agreed! And I have no plans to go big power in this, just want to build a virtually new engine while taking care of common issues👍🏻

@user-tv7ul9li6f 6 месяцев назад

What is the rule for clearance work?

@mrrberger 11 месяцев назад

Best to bore using the crank as the datum, not the top face however that machine is limiting. The hone machine is also limiting so you're not at the pointy end of high value machining or prepping. Best practice would have a course stone set the oil hone valleys and a fine stone over the top to sacrifice during ring bed in for flat peaks, that step may have been done and skipped to keep the vid shorter.

@GeorgeAusters 11 месяцев назад

Yes I didn’t include absolutely everything or the vid would have been hours long👍🏻

@ThePetersTravelshow Год назад

Very interesting even if i don’t understand any of it🤪

@GeorgeAusters Год назад

Haha, thanks for the support! 👍🏻

@Dannitk Год назад

🙌🏼

@seanpaul3050 Год назад

Is it okay to place the bare block down on concrete ? Not sure why you would do that without some carpet or something to protect from scratching the surfaces.

@GeorgeAusters Год назад

Don’t think it’s that serious👍🏻

@seanpaul3050 Год назад

@@GeorgeAusters are these not mating surfaces which will be sealed with gaskets ? Or do you intend to have them skimmed at a later date ?

@solaimari Год назад

Using machine and tools list

@user-tv7ul9li6f 6 месяцев назад

ماهي قاعدة معرفة الخلوص

@V8Lovers Год назад

👏

@AbbasAlvi-kv2xl 7 месяцев назад

@adamkeene6371 Год назад

Its sad to say that brilliant little companies like these will no longer be required with the ever growing EV vehicles. I'm hoping they will still have a part to play in the future

@GeorgeAusters Год назад

Of course they will. EVs are not the future and classic cars won’t just become extinct

@neildonaldsonlotusexcelresto Год назад

I think we will all be long gone before that happens...

@user-hc3dr6mx2c Год назад

Can you try to get some extra HP out from the N73 V12? :)

@GeorgeAusters Год назад

That thing doesn't need anymore power haha!

@user-hc3dr6mx2c Год назад

@@GeorgeAusters Yeah, it does not need it, but: did you need to paint the brake calipers? ;) would be so cool to see mods that enhance some HP on the dyno

@GeorgeAusters Год назад

@@user-hc3dr6mx2c To be honest it's a very rare engine as is, mods are gonna be very very scarse for it

@Garage_Fix Год назад

what happened to this series, about the mini cooper engine rebuild?

@GeorgeAusters Год назад

Currently rebuilding it still, hope to have a video out next week!

@Garage_Fix Год назад

@@GeorgeAusters great, can't wait ... =)

@marcjeffery Год назад

No "PEACE" ending??

@AbbasAlvi-kv2xl 7 месяцев назад

I'm interested job plz help me sir

@timjackson1904 Год назад

I would have bought a more modern boring/milling machine rather than a van! Yours (not the van) seems seems ancient (well victorian lol) and slow/diff to set up. You should look at some of the american machines, they are on a different level. I would have said take a holiday to germany when they have a machine exhibition, but its going to get cold over there so get over to the states and check theirs out. Modernize or youl go the way of a lot of Brit eng companies. It would make a good video too.

@nigelmackie9237 Год назад

Nothing wrong with old machines it’s been around this long for a reason. Well made and not much to go wrong. If it does the job why upgrade it. 😊

@buz375 9 месяцев назад

I’ve dealt with machine shops in the past. My last time I took them the engine and was told they couldn’t hone the cylinders. I consider them to be lazy sorry f@@@@@.

@500bht Год назад

N14 engine from a cooper s I think.

@GeorgeAusters Год назад

Correct👍🏻

@philtucker1224 Год назад

Yes if you listened at the beginning he did say it was a 1600 S engine. Also says cooper S on the thumbnail. (However to most purists a real Cooper S engine is a 1275 of course, not a BMW!)

@jonss1948 Год назад

You don't see that very often. Englishmen in Shorts.

@GeorgeAusters Год назад

I wear shorts 90% of the year😄

@AbbasAlvi-kv2xl 7 месяцев назад

My job Saudi arabia

@TheAlthian Год назад

doesn't look like he's bored the block properly, hasn't gone deep enough, that step is likley to hit the piston.

@GeorgeAusters Год назад

I’m sure Lee knows what he’s doing😅

@fredflintstoner596 11 месяцев назад

Mrs Richards: "I paid for a room with a view !" Basil: (pointing to the lovely view) "That is Torquay, Madam ." Mrs Richards: "It's not good enough!" Basil: "May I ask what you were expecting to see out of a Torquay hotel bedroom window ? Sydney Opera House, perhaps? the Hanging Gardens of Babylon? Herds of wildebeest sweeping majestically past?..." Mrs Richards: "Don't be silly! I expect to be able to see the sea!" Basil: "You can see the sea, it's over there between the land and the sky." Mrs Richards: "I'm not satisfied. But I shall stay. But I expect a reduction." Basil: "Why?! Because Krakatoa's not erupting at the moment ?"

@GeorgeAusters 11 месяцев назад

😂

@fredflintstoner596 11 месяцев назад

@@GeorgeAusters YOU WANT ROOM 16 FOR HIM ?

@nostrebordivad Год назад

You actually need a 3”-4” mic and not a 2”-3” as he said!

@venle93 6 месяцев назад

I can see they refurbish with non genuine parts. 😮

@GeorgeAusters 6 месяцев назад

Aye?

@simonh870 Год назад

You would think that with modern manufacturing and modern oils that rebores would be a thing of the past considering many engines easily outlast the rest of the car. It just goes to show how bad these engines are.

@GeorgeAusters Год назад

The main problem is extended oil change intervals and driving hard from cold

@simonh870 Год назад

@@GeorgeAusters You would think that BMW would have leanerd their lesson with long service intervals by now after all the problems they had with timing chains.