05-05-2009, 07:02 PM
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#1
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Engine break in
Not sure were to put this so i started it hear.I was just wondering whats the best way to break in a new engine i hear to different ways 1)Baby it dont go over 4k 2)Do the complete opposite an run it http://www.mototuneusa.com/break_in_secrets.htm So which one do you guys think is the best option?
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05-05-2009, 07:19 PM
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#2
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GLS member
Join Date: Aug 2007
Location: Hartford, CT
Posts: 917
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I don't really know, but that article brings up some interesting points.
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05-05-2009, 07:21 PM
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#3
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GLS member
Join Date: Aug 2006
Location: Grand Forks, ND for school; Langdon, ND home
Posts: 2,632
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take it easy for a while. everything i've rebuilt i take it east for the first 100-200 miles. but on cars people usually say for longer.
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2001½ F150 XLT Crew Cab- true dual glasspacks with x-pipe, AEM intake, SCT X3 with VMP custom tunes, full stereo system, HID 55w heads and 35w fogs, 35% tint front and 20% rear, Lightning tail lights
04 F6 Sno Pro Team edition- MBRP race can, ODS clutch kit
01 YZ125- bored out to 144, PnP cylinder and head, Pro Circuit WORKS suspension, many other mods
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05-05-2009, 09:34 PM
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#4
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2Screwy
Join Date: Dec 2003
Location: South Dakota
Posts: 13,238
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i agree and have heard the same things......you need to hit all of the rpm range so the rings on pistons will seat good, whatever you do, don't strap it to a dyno and set the cruise control.....
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05-05-2009, 10:24 PM
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#5
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636 whp
Join Date: Aug 2006
Location: AZ
Posts: 11,876
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Do NOT follow that motorcycle break in procedure.
What works with bikes doesn't always work properly with cars.
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05-06-2009, 07:25 AM
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#6
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ALEROMOD RAPIST
Join Date: Nov 2003
Location: New Jersey
Posts: 7,971
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I've always been told to take it easy for the 1st 500 miles. Don't go over highway speeds before then and don't rev the motor. Nice and easy to allow everything to seat properly.
Properly built race motors meant for the street are also babied for 500 miles and then retorqued before they can be used for all-out racing.
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2008 Summer Sport Compact Slam - ET Bracket Class Event Winner
2006 NHRA Sport Compact FallNationals - ET Bracket Class Event Winner
1990 Sunoco Super Challenge Points Series - Trophy Stock Points Champion
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05-06-2009, 09:32 AM
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#7
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Gone but not forgotten
Join Date: May 2008
Location: Lancaster, CA
Posts: 1,254
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^^ I just finished breaking my motor in my mech told me for 500 take it easy and try not to stay at a constant speed but to vary it. Change the oil at 500 miles.....also the engine might suck a lil oil during the break in, so keep that in mind....
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00' Alero Coupe - Baby is wearing: Custom CAI, Pacesetter headers, custom 2.5" exhaust, 62mm TB, MP45 s/c, B&M ShiftPlus, 6500K HID, KYB-GR2, Eibach springs, R1 Concepts drilled/slotted rotors
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05-06-2009, 09:45 AM
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#8
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Keepin it Real
Join Date: Nov 2003
Location: Alexandria, VA
Posts: 12,522
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after i had my motor rebuilt i didn't baby it at all. had it on a dyno 250 miles and one oil change later for tuning. 30,000 miles later it runs better than ever, it's just slow which i attribute to the tune and i lack fidelity in the MMS stage 2 heads since he doesn't flow test them.
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2015 Audi SQ5
2000 Alero GLS Coupe - still in the family, but I don't drive it anymore
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05-06-2009, 01:55 PM
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#9
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GLS member
Join Date: Mar 2007
Location: Tx
Posts: 1,295
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Dont baby it yet dont hall ass.
Change the oil @ 500 then at 1500....etc. Look for metal shavings.
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I love the smell of burned rubber...except when I gotta replace my tires
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