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Location:
Castle Hill, Sydney
Registered:
February 2004
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running in
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Sat, 31 July 2004 08:21
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hey everyone
could somsone give me a run down exactly how 'running in' a new engine should be done, its got new pistons new rings in a fresh boar and hoan.
eg: 0-100km, stay under 2000rpm
100-300km, stay under 3000, you get what i mean
i just wanna do it right cause i've heard u can run it in too gently or too hard
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Location:
Terrigal
Registered:
May 2002
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Re: running in
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Sat, 31 July 2004 08:36
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Mate when I ran mine in the main opinion I got was the most important thing is to load it up and dont keep it at any one RPM for too long..
So go up some hills in like 4th and load the engine up, dont cruise on the freeway at 3000rpm, more go along say the old pac and keep varing the revs.
Don't baby it! But then dont jump in there and rev the tits off it.
First off run some shitty oil or running in oil, then after 1000 or so put some good in.
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Location:
Terrigal
Registered:
May 2002
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Location:
Sydney
Registered:
June 2004
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Re: running in
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Sat, 31 July 2004 08:55
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basically just drive it rom 500-1000Ks in and around the city area. thats the best way cause you got turns, straights, lights, etc and givees the best all round run in...
and like turboRA28 said, use somewhat crappy oil and then full service after the 1000Ks mark
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Club Member
Location:
Sydney, NSW
Registered:
May 2002
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Re: running in
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Sat, 31 July 2004 09:36
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The most important parts about running an engine in are loading it up, oil and never let the car idle...
Loading it up exactly how RA28 suggested or flat roads from 20kmh to 60kmh in 5th gear... That beds the rings in properly...
Oil - I used Penrite running in oil and it went fine... Left that in there for 100kms... Then changed to Castrol GTX2 (the black bottle)... Dumped that at 500kms... Refilled again with GTX2 and changed again at 1000kms... GTX2 again till 5,000kms and now I use genuine toyota oil... Really good stuff and cheap as chips...
Never let the car idle... Even when sitting at lights or in traffic, fluctuate the idle and the same as when in traffic...
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Location:
Castle Hill, Sydney
Registered:
February 2004
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Re: running in
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Sat, 31 July 2004 09:40
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hmm that article was interesting, thanks for that! that got me more confused!
do a run it hard!!
at this stage dad reckens, run it on idle for 30 minutes to start with, then drive it for about 150kms under 3000...putting load on it like joel said, then stretch it out a bit along the old highway? with some compression brakeing thrown in, sound good?
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Location:
Castle Hill, Sydney
Registered:
February 2004
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Re: running in
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Sat, 31 July 2004 09:44
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dont let it idle!!
man i think ill just stick with the 3tc
too many different storys, so basically i dont wanna run it soft at all, it'll idol for probably 5-10 minutes when we are tuning it up, doing timing and carbs....then i wanna cruiser aorund under 3000 with load on the engine, like rollaboy said 20kmh to 60kmh in 5th gear, then after a week or so doing that stretch it out on the old highway
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Location:
ghetto area 2745
Registered:
November 2003
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Re: running in
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Sat, 31 July 2004 09:48
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hit the blue mountains for a drive but load on the engine for 2000kms then drive it normally for another 2000kms changing the oil of course the red line the shit out of it 
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Club Member
Location:
Sydney, NSW
Registered:
May 2002
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Re: running in
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Sat, 31 July 2004 09:57
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Trust me dude... Don't let it idle for extended periods... I'm a mechanic and did my engine the same way... Engine is running fine...
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Location:
Terrigal
Registered:
May 2002
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Re: running in
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Sat, 31 July 2004 22:22
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Mate I strongly suggest NOT to let it idle. The rings bed in within the first 30mins or so of the engines life, with it sitting there idling they will never bed in.
I made this mistake with my 18RG and ended up just glazing the bores.
Start it, quickly check for any problems, then get in and start driving!
I dunno why, but seems from the old dinosaur V8 days people used to let the engines idle for hours to wear in and then drive on the freeway at 2000rpm for 8 hours. Dunno why this was but with our engines it's not the way to go about it.
Maybe back then bearing technology wasn't as good?
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Location:
Castle Hill, Sydney
Registered:
February 2004
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Location:
Sydney
Registered:
June 2004
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Re: running in
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Sun, 01 August 2004 09:10
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you can get crap oil from FRANKLINS NO FRILLS 
i wouldnt go over 3000-3500rpm with in the first 500Ks
change oil & from 500-1000 i wouldnt go over 4000
after that do full service (sparks, filters, oil) and GO FOR GOLD
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Location:
Melbourne
Registered:
August 2003
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Re: running in
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Sun, 01 August 2004 11:54
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| jessetamsett wrote on Sun, 01 August 2004 18:19 |
yeah thats exactly the way my dad did it with his 6 cyl holdens, he was telling me to do it like this too...
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Is that the same person who said you don't need valve stem seals?
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Location:
Castle Hill, Sydney
Registered:
February 2004
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Re: running in
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Sun, 01 August 2004 11:59
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hahaha it sure is!!!
but his told me a lot of things, and as far as i know...his right 99% of the time!
better check...your not suppose to use a head gasket on twin cam engine are ya?
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Location:
Woolgoolga
Registered:
April 2004
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Location:
Melbourne
Registered:
August 2003
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Re: running in
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Sun, 01 August 2004 12:45
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Actually the additional weight of a DOHC valvetrain effectively squishes the softer alloy head onto the cast iron block, so no, no head gasket required! 
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