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BigJimny Meet 2019 (17 May 2019)

BigJimny Meet and off-road driving day



20TH OCTOBER 2019

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See HERE for details - See HERE for discussion

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New engine's and "Running in".

  • Andy2640
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06 Apr 2019 18:01 #205614 by Andy2640
Do modern new engines require a running in period?

Anyone know if the Gen 4's handbook recommends this?

A wise man once said...... When we are Mean, Shout at People, Lose our Tempers, Swear, and generally act like Tool Bags, Never forget ..... We are all Cavemen in Suits, Uniforms and/or Overalls ..... Living in Semi-Concrete Jungles. Andy - 2019 AD.

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06 Apr 2019 18:18 - 07 Apr 2019 05:59 #205615 by GeorgeC

Andy2640 wrote: Do modern new engines require a running in period?
Anyone know if the Gen 4's handbook recommends this?

Yes, and Yes. Its 2am here, the manual is out in the car, its too cold and the boogy man is about. :evil:

Edit: Andy, ask your dealer for the loan of a Jimny Owners Manual to read until yours arrives. I need an illuminated magnifier to read mine! Lucky for me the Infotainment Manual comes in a PDF as well as the printed version.

"Nobody expects The Spanish Inquisition."
www.aveoforum.com/forum/f118/seniors-jim...-suzuki-jimny-23477/
Last edit: 07 Apr 2019 05:59 by GeorgeC. Reason: Manuals
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06 Apr 2019 18:21 #205616 by Andy2640

GeorgeC wrote:

Andy2640 wrote: Do modern new engines require a running in period?
Anyone know if the Gen 4's handbook recommends this?

Yes, and Yes. Its 2am here, the manual is out in the car, its too cold and the boogy man is about. :evil:


Dont be lazy George, go and get it mate ;-) P.S > Boogey men are always fellow humans.

A wise man once said...... When we are Mean, Shout at People, Lose our Tempers, Swear, and generally act like Tool Bags, Never forget ..... We are all Cavemen in Suits, Uniforms and/or Overalls ..... Living in Semi-Concrete Jungles. Andy - 2019 AD.

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06 Apr 2019 18:47 #205618 by stiffsteve204me
Regardless of what a handbook might say, it would go against my instincts not to run in a new engine. Yes, I know that they are built to fine tolerance etc., etc., but taking things easy for the first thousand miles is no hardship. Avoiding high revs through the gears, steady acceleration, etc. will, IMO, benefit the engine in the long run. A thousand miles on the motorway, at 70 mph. is not running in.

I accept that others may disagree, but any new car that I have had, has been treated with a little TLC for at least the first thousand miles. After that, don't drive it like you have stolen it. build up gradually.




Steve.

“He that strikes the venison first shall be the lord o' the feast.” — Shakespeare, King Lear.
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06 Apr 2019 22:29 #205625 by Bob1050
This topic is like tyres, oils and toothpaste - very personal and potentially very emotive. Personally I like to treat my new vehicles gently and let all the components bed together before brisk exercise. I also ensure all components get up to their normal working temperatures (most engine wear happens on short runs) and never over-rev or have the vehicle struggling at too low revs. 'Drive it like you stole it' might be fine if you are on PCP and change your car every 24 months.
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06 Apr 2019 23:59 #205626 by Dorsetdumpling
I have put over 1000 miles on mine and the engine has definitely ‘loosened up’ compared to when it was new.

Mpg has increased from 39 to 42 suggesting that load on the engine has eased.
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07 Apr 2019 06:33 #205631 by stiffsteve204me

Bob1050 wrote: This topic is like tyres, oils and toothpaste - very personal and potentially very emotive. Personally I like to treat my new vehicles gently and let all the components bed together before brisk exercise. I also ensure all components get up to their normal working temperatures (most engine wear happens on short runs) and never over-rev or have the vehicle struggling at too low revs. 'Drive it like you stole it' might be fine if you are on PCP and change your car every 24 months.



Spot on, Bob.

Even now, with my car approaching six years old, I still wait for the oil to reach a decent temperature, before I use any high revs.

I have an engineering background, so have an inbuilt sympathy for cold engines having their nuts revved off. :laugh:




Steve.

“He that strikes the venison first shall be the lord o' the feast.” — Shakespeare, King Lear.
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07 Apr 2019 19:30 #205675 by MilkyRon
I also agree with everything that's been said and on that note, here is my totally unproven, anecdotal and completely contradictory opinion...

There is a school of thought that you should put a new engine under a high amount of stress during it's first few hundred miles (when warm), with regular oil changes to achieve a better seal around the pistons.

Source: www.mototuneusa.com/break_in_secrets.htm written in some glorious HTML.

I have personally used this method myself when breaking in a Suzuki GSXR-750. It's still in my possession and runs as sweet as a nut. Not only that but I'm confident that this method has given me and extra 50BHP, made the tyres stickier and rendered me more appealing to the opposite sex. {{Citation needed}}

The good news is, you can spend the next few months agonising over the correct method.
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08 Apr 2019 04:36 #205682 by Lambert
When Ermintrude was new she spent the first 3 years and 18k with my parents. They drove everywhere steadily and at low revsand insisted on turning her off when opening gates even though she had only done a mile since a cold start. I don't think she ever saw more than about 3k ripems in the entire period. When I took her on she wouldn't rev cleanly past 3200 ripems and was a slug. It took nearly 3 months or more for her to be smooth at 6k ripems and work properly. I still get grief when I leave her running in gateways even though I have explained till I am blue that switching off a cold engine is a bad idea and that a minutes fuel is cheaper than a rebuilt motor. These little motors are tough and designed to scream assuming you maintain them without compromising.

Dreadnaught (black 2011)
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