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Generation

Member

Registered: 7th Jul 09
Location: Essex
User status: Offline

15th Jan 12 at 15:30

Heard mix responses, after a full rebuilt.

From driving very easy for hundreds of miles
And giving it death from the start.

Opinions?

Ian

Site Administrator

Registered: 28th Aug 99
Location: Liverpool
User status: Offline

15th Jan 12 at 15:34

Not sure that debate has ever been settled.

If you're going for option 2 make sure its warm first.

--ToM--

Member

Registered: 23rd Nov 07
Location: Wirral
User status: Offline

15th Jan 12 at 15:41

i gave my fully rebuilt let death from the start and it was smoking like fuck after 300 miles and needed rings and valve seals so id go for number one ha ha

R Lee

Member

Registered: 15th Aug 03
User status: Offline

15th Jan 12 at 15:42

Drive it as usual after warming up.
You're hardly going to be hammering it at every opportunity anyway so, the argument is redundant.

Ben G

Member

Registered: 12th Jan 07
Location: Essex
User status: Offline

15th Jan 12 at 15:43

always given my cars death when i've bought them from brand new, seemed to free up more bhp.

when my corsa had a top end rebuild, i gave it death and it was fine.

BarnshaW

Member

Registered: 25th Oct 06
User status: Offline

15th Jan 12 at 15:44

personally run mine on mineral oil for 500 miles, rev upto 3k and lots of over run, then onto fully synthetic and gradually introduce more revs per couple hundred miles.

worked a treat and uses no oil or water whatsoever, some people just run it in on rollers though and full beans after 25 miles

--ToM--

Member

Registered: 23rd Nov 07
Location: Wirral
User status: Offline

15th Jan 12 at 15:47

quote:
Originally posted by BarnshaW
personally run mine on mineral oil for 500 miles, rev upto 3k and lots of over run, then onto fully synthetic and gradually introduce more revs per couple hundred miles.

worked a treat and uses no oil or water whatsoever, some people just run it in on rollers though and full beans after 25 miles

cant think who thats aimed at lol ....

JordyCarter

Member

Registered: 14th Mar 10
User status: Offline

15th Jan 12 at 16:03

Id go gentle at first no point in hammering it imo

Darryl H

Organiser: South Central
Premium Member

Registered: 19th Nov 09
Location: Camberley Drives: Porsche 944
User status: Offline

15th Jan 12 at 16:03

did 500 miles in mine under 3.5k then did an oil change and filter then started giving it a bit more over the next 500, hasn't let me down so far

|My Corsa|SC|My Instagram|

Corsa_Sport21

Member

Registered: 13th Apr 08
Location: Leven, Fife. Drives : 205 GTi
User status: Offline

15th Jan 12 at 16:12

Never had to run an engine in, but i recon if i ever needed to, i would just drive it like normal and open it up now and again. Would still stick to the recommended oil changes and stuff though.

Moto-cross bikes get run in by giving them death from the start.

Jambo

Member

Registered: 8th Sep 01
Location: Maidenhead, Drives: VXR Arctic
User status: Offline

15th Jan 12 at 16:13

19 pages by Wednesday.

sc0ott

Member

Registered: 16th Feb 09
User status: Offline

15th Jan 12 at 16:28

Ive also heard driving cars hard from day 1 frees up more bhp.

gazza808

Member

Registered: 30th Jun 08
Location: Peterborough
User status: Offline

15th Jan 12 at 16:29

just don't sit at constant speeds.

Steve

Premium Member

Registered: 30th Mar 02
Location: Worcestershire Drives: Defender
User status: Offline

15th Jan 12 at 16:30

2nd option isn't just a case of hammering it its a case of harder driving under a methodical pattern, ideally on a rolling road and.definitely when warmed up

shaunmods

Premium Member

Registered: 12th Mar 07
Location: Glascote, Staffordshire
User status: Offline

15th Jan 12 at 16:33

Mine was ran in on cheapo mineral oil for around 500 miles under 3k ish. Made sure I didnt labour the engine etc and did lots of mixed driving. Then oil and filter change onto semi-synthetic oil and given the full beans after. Rings bedded in fine

Nic Barnes

Member

Registered: 5th Apr 04
Location: nowhere near ginger people
User status: Offline

15th Jan 12 at 16:36

Think I did about 100 miles of varied amounts of throttle. Didn't run it in much really.

Paul W

Premium Member

Registered: 26th Aug 09
Location: Northamptonshire
User status: Offline

15th Jan 12 at 16:43

lee303 over on mig has a pretty good description of how he ran his xe1 nova in by heavy loading. It wasn't just 'giving it death' so to speak. Here's what he posted he did.

quote:
bedding in procedure that i will be doing tomorrow is as follows
fill engine with running in oil or very cheap mineral oil, start engine and do cam running in which is hold engine at
2000 rpm for one minute
1500 rpm for one minute
3000 rpm for one minute
2000 rpm for one minute

then then engine should be pretty warmed up as well, so its a perfect time to bed the rings
drive car onto the road, select third and floor the throttle as low in the rev range as the engine will allow, and keep it pinned till about 3/4 of the rev range, then snap the throttle shut and let the engine coast right down, repeat process 12 - 15 times, keeping an eye on temps obviously
theory behind the process is that as you matt the throttle the cylinder pressures increase massively forcing the rings out against the bore walls, then when you snap the throttle shut you cause a vaucuum in the chambers which draws oil up the bores to prevent glazing

once this is completed, change the oil and filter to some vaux semi or similar, and run the engine for 500 miles or so driving pretty normally up to around 3/4 of the rev range and 3/4 throttle, varying the load on the engine as much as possible

after that., flush and change the oil and filter and swap to whatever you intend to run the engine on, and your done

whether it actually makes a difference i don't know, the theory behind seems sound enough though.

Rio Verde Bagged More Door Project

Generation

Member

Registered: 7th Jul 09
Location: Essex
User status: Offline

15th Jan 12 at 18:07

Thanks for all the replies

Seems I'm back where I started lol

Member

Registered: 5th Jul 00
Location: Aberdeen City
User status: Offline

15th Jan 12 at 20:43

me running in the current impreza engine

Lower rev limit (6500 rather than 8500) and sensible boost of 1.4 bar or something

http://www.youtube.com/watch?v=mapTAUfs6H8

bigron1988

Member

Registered: 29th Aug 09
Location: Southport, Merseyside
User status: Offline

15th Jan 12 at 20:54

quote:
Originally posted by Paul W
lee303 over on mig has a pretty good description of how he ran his xe1 nova in by heavy loading. It wasn't just 'giving it death' so to speak. Here's what he posted he did.

quote:
bedding in procedure that i will be doing tomorrow is as follows
fill engine with running in oil or very cheap mineral oil, start engine and do cam running in which is hold engine at
2000 rpm for one minute
1500 rpm for one minute
3000 rpm for one minute
2000 rpm for one minute

then then engine should be pretty warmed up as well, so its a perfect time to bed the rings
drive car onto the road, select third and floor the throttle as low in the rev range as the engine will allow, and keep it pinned till about 3/4 of the rev range, then snap the throttle shut and let the engine coast right down, repeat process 12 - 15 times, keeping an eye on temps obviously
theory behind the process is that as you matt the throttle the cylinder pressures increase massively forcing the rings out against the bore walls, then when you snap the throttle shut you cause a vaucuum in the chambers which draws oil up the bores to prevent glazing

once this is completed, change the oil and filter to some vaux semi or similar, and run the engine for 500 miles or so driving pretty normally up to around 3/4 of the rev range and 3/4 throttle, varying the load on the engine as much as possible

after that., flush and change the oil and filter and swap to whatever you intend to run the engine on, and your done

whether it actually makes a difference i don't know, the theory behind seems sound enough though.

that i did and what ill be doing again

richc

Member

Registered: 24th Mar 07
Location: Ilkeston
User status: Offline

15th Jan 12 at 21:12

That thing paul W put up is best in my opinion.

Only brand new engine i have done is one a motorbike. I took it steady for the first 4 miles let it get up to temp then gradually wound the power on and alot of coasting aswell. Gave it a few full throttle loads but not on the limiter of anything.

Changed the oil after 25 miles and it was r full of iron fillings. After that just drove normal keeping flow with traffic and abit of hard acceleration and it was fine.

Crana

Member

Registered: 20th Jan 09
Location: Newcastle
User status: Offline

15th Jan 12 at 21:16

Old bloke once told me when running a 2stroke engine in too give it death but cars work abit different if you have just spent all that money follow the guide Paul put up

tom130691

Premium Member

Registered: 13th Sep 08
Location: Daventry
User status: Offline

15th Jan 12 at 21:21

warm it up then long drives once its warm it wont matter too much,

if youve done something wrong easy run in may mean less damage,

race engines are rarely run in

FAZ

Premium Member

Registered: 24th Nov 07
Location: Coventry
User status: Offline

15th Jan 12 at 21:36

do a burnout

LeeM

Member

Registered: 26th Sep 05
Location: Liverpool
User status: Offline

15th Jan 12 at 22:03

quote:
Originally posted by Crana
Old bloke once told me when running a 2stroke engine in too give it death but cars work abit different if you have just spent all that money follow the guide Paul put up

2 strokes egg the piston/s if you give it death from the start

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