This is topic How many miles to break in a new engine??? in forum Tech Talk at Northern California Ford Owners  .


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Posted by Blue Oval (Member # 2548) on :
 
iM JUST ABOUT TO PUT IN MY NEW CHP 347 STROKER MOTOR IN I WAS JUST WONDERING HOW MANY MILES YOU GUYS THINK I SHOULD PUT ON IT. THIS IS A DAILY DRIVER BY THE WAY.

[ July 01, 2003, 09:19 AM: Message edited by: Blue Oval ]
 
Posted by 1 FLy5O (Member # 2425) on :
 
drive it really hard aLL the time for the first few 100miles or so..so that way everything breaks in nice and good
 
Posted by 88gt (Member # 579) on :
 
quote:
Originally posted by 1 FLy5O:
drive it really hard aLL the time for the first few 100miles or so..so that way everything breaks in nice and good

Don't listen to this clown please.
 
Posted by st5150 (Member # 51) on :
 
There are many ways to do this, and some of their methods are borderline witch-craft voodoo, but they all generally go something like this

-take it easy at first

-change the oil soon

-have fun

Now people will fill in the details, but I think if you follow Ford's instruction manual, you should be fine.
 
Posted by shade-tree (Member # 298) on :
 
yah I always hear this crap about never above 3500 rpms first 500 miles, make sure you vary the rpms, blah blah blah,
I have another friend that swears by a forced 2000 rpm run for 30 minutes, etc. etc.
 
Posted by mustanggt5091 (Member # 444) on :
 
I have always been told to do a 1500-2000 rpm for 10 minutes, then drive it moderetly for the first 100 miles, change the oil, then drive it like you would on any given day, change the oil again at 500 miles, then after 500 drive it like you stole it!
 
Posted by TheBrain (Member # 35) on :
 
When I got my 331 running, I let it idle @ 1500 rpm 'til the t-stat opened. Shut it off, changed the oil and took it straight to Lake Tahoe. Had some guy in an LS1 that kept pacing me in between Vallejo and Fairfield, so I downshifted into 3rd gear and ran it up to about 6600 rpm with less than 10 miles on it [Big Grin]

Broke it in the same way I drive it and it gave me 52K trouble free miles until the little N.O.S problem on the dyno. At that time there was still nothing wrong with the short block, but I put new bearings and rings in it since it was already out to fix an oil leak

Good Luck
Brian
 
Posted by 1 FLy5O (Member # 2425) on :
 
dont call me some fuckin clown..im speakin from what i have done..i did that 3 engines now and they will run harder then anything u got so shut the fuck up.. u dont know me so dont speak on me
 
Posted by FordPny (Member # 510) on :
 
quote:
Originally posted by 1 FLy5O:
dont call me some fuckin clown..im speakin from what i have done..i did that 3 engines now and they will run harder then anything u got so shut the fuck up.. u dont know me so dont speak on me

Why would you drive the shit out of your engines if nothing has seated properly?!?!
 
Posted by Blown GR40 Mystic (Member # 476) on :
 
quote:
Originally posted by 1 FLy5O:
drive it really hard aLL the time for the first few 100miles or so..so that way everything breaks in nice and good

Worst tech info I have read so far.
 
Posted by Norcalbmxer (Member # 235) on :
 
quote:
Originally posted by mustanggt5091:
I have always been told to do a 1500-2000 rpm for 10 minutes, then drive it moderetly for the first 100 miles, change the oil, then drive it like you would on any given day, change the oil again at 500 miles, then after 500 drive it like you stole it!

This is the most precise way to do it.
1500-2000 for 10-20 mins breaks in the cam
changing the oil at 100 cleans the motor of any shavings/deposits left when building, it will also let you know right away if something is wrong.
driving it normally and varing the rpms for the next 500 helps the rings get a good seat.

quote:
Originally posted by 1 FLy5O :

"dont call me some fuckin clown..im speakin from what i have done..i did that 3 engines now and they will run harder then anything u got so shut the fuck up.. u dont know me so dont speak on me"

you right i dont know you. I just read what you typed. but, you have shown that you are completely ignorant when it comes to breaking in a motor. There is no explaination you could possibly give to justify what you suggested people to do. Its called a breakin period for a reason, not a rape-in peroid. Please stick to topics that you do know about and quit giving people here incorrect and possibly harmful information.

[Whoo Whooooo!]
 
Posted by 1 FLy5O (Member # 2425) on :
 
your calling me ignorant...ok...well i didnt say get in the car and say drive at 8k the whole time..from all the engines i have broken in (3) i have drove the shit outta them when after i installed them..and when u dog them when they are new they get use to being drivin that ways and break in real nice and quick....but what ever im stupid dont listen to me..
 
Posted by rr_mustang (Member # 888) on :
 
quote:
Originally posted by mustanggt5091:
I have always been told to do a 1500-2000 rpm for 10 minutes, then drive it moderetly for the first 100 miles, change the oil, then drive it like you would on any given day, change the oil again at 500 miles, then after 500 drive it like you stole it!

i agree, new motor/parts, that's the way i have been told to break it in.
although my 408 was completed on a friday night at 6pm, next morning, 9am at t-hill i was spinning it at 5k and that afternoon at 7-7.5k. but it is a race motor that is freshened every 60 hours or so.
 
Posted by Blown GR40 Mystic (Member # 476) on :
 
quote:
Originally posted by 1 FLy5O:
your calling me ignorant...ok...well i didnt say get in the car and say drive at 8k the whole time..from all the engines i have broken in (3) i have drove the shit outta them when after i installed them..and when u dog them when they are new they get use to being drivin that ways and break in real nice and quick....but what ever im stupid dont listen to me..

3 motors on what car(s)
 
Posted by 1 FLy5O (Member # 2425) on :
 
a blown 460, in a f350 383 stroker in a 89 iroc and a 305 bored to 327 in a 76 nova

[ July 01, 2003, 02:01 PM: Message edited by: 1 FLy5O ]
 
Posted by FordPny (Member # 510) on :
 
quote:
Originally posted by 1 FLy5O:
..and when u dog them when they are new they get use to being drivin that ways

[Eek!] [Eek!]

Dude really man, stop.
 
Posted by Blown GR40 Mystic (Member # 476) on :
 
quote:
Originally posted by FordPny:
quote:
Originally posted by 1 FLy5O:
..and when u dog them when they are new they get use to being drivin that ways

[Eek!] [Eek!]

Dude really man, stop.

seriously, you dont think motors have a personality do you?
 
Posted by outlawd94cobra (Member # 265) on :
 
I always thought that on a new engine that after your first oil change your engine was broke in. Hmmmmmm..... oh well, i've never had a Cobra BRAND NEW anyways. Someone else did the breaking in for me.
 
Posted by Jeff S (Member # 371) on :
 
A quarter mile at a time. [burnout]

[ July 01, 2003, 02:30 PM: Message edited by: Jeff S ]
 
Posted by Blue Oval (Member # 2548) on :
 
thankx guys
 
Posted by 93tealcobra (Member # 2635) on :
 
[patriot] [Cool]
 
Posted by stoauto (Member # 2803) on :
 
your chp motor is a roller motor, you dont need to worry about revving your motor at whatever rpm for 20 minutes to break it in because that procedure is for flat tappet cams. its a ROLLER MOTOR THAT MEANS WITH ROLLER CAM AND ROLLER LIFTERS your cam and lifters dont need that mating period because its ROLLER look at your lifters theirs a bearing or wheel on the tip, if not than sorry [Frown] . what i did to break in my motor was i ran it with a good quality motor oil for the first 5 minutes just to get out all of the assembly lube and what ever little shit that shouldn't be in your motor out. than i shut it off and i changed the oil and filter again, and went for a nice MELLOW drive, (dont forget to fill your oil filter befor you put it on, there is good reason for this) than after about 100 miles or so i changed my oil and filter again of course with a good quality motor oil, than i was good to go for another few hundred miles. Just me, i change my oil every thousand miles or so for the first few thousand, after i do what i explained above, some people think its overkill, some dont, oil changes are only good for your engine any way. it doesn't cost that much to change oil. unless your running full synthetic. hoped i helped. [Smile]
 
Posted by Norcalbmxer (Member # 235) on :
 
quote:
Originally posted by stoauto:
your chp motor is a roller motor, you dont need to worry about revving your motor at whatever rpm for 20 minutes to break it in because that procedure is for flat tappet cams. its a ROLLER MOTOR THAT MEANS WITH ROLLER CAM AND ROLLER LIFTERS your cam and lifters dont need that mating period because its ROLLER look at your lifters theirs a bearing or wheel on the tip, if not than sorry [Frown] . what i did to break in my motor was i ran it with a good quality motor oil for the first 5 minutes just to get out all of the assembly lube and what ever little shit that shouldn't be in your motor out. than i shut it off and i changed the oil and filter again, and went for a nice MELLOW drive, (dont forget to fill your oil filter befor you put it on, there is good reason for this) than after about 100 miles or so i changed my oil and filter again of course with a good quality motor oil, than i was good to go for another few hundred miles. Just me, i change my oil every thousand miles or so for the first few thousand, after i do what i explained above, some people think its overkill, some dont, oil changes are only good for your engine any way. it doesn't cost that much to change oil. unless your running full synthetic. hoped i helped. [Smile]

sorry that is correct, i forgot about the whole roller cam thing.... and good points about the oil, better safe then sorry, and people should not be using synthetic yet at that point anyway
 
Posted by stoauto (Member # 2803) on :
 
thanks [Smile] [Big Grin]
 
Posted by 91 5.0 (Member # 1527) on :
 
quote:
Originally posted by 1 FLy5O:
a blown 460, in a f350 383 stroker in a 89 iroc and a 305 bored to 327 in a 76 nova

305 bored to a 327? I know absolutely nothing about this so correct me if im wrong, but you gained 22 cubic inches from boring the cylinders?????? Sounds strange to me, I would think that a 327 has a longer stroke than a 305???? Anyone know???????
 
Posted by 99gt-UJSTLST (Member # 584) on :
 
every one has diffrent opinions some say just run it for a few miles change oil, otheres will say run it for a few minutes,

my self I beleave in letting everything seat, take it easy on it for atleast 1000 miles

I could be wrong
but really is it goin to kill you to take it easy for 1000 miles change the oil and their you go. Off race you go
 
Posted by Cobra5.0Jeep (Member # 1482) on :
 
just be nice to it for the first 1,000 miles.
 
Posted by 93lx342 (Member # 1793) on :
 
well when i put the 342 in the last car i started the car and let it run for like 10 mins revin it a lil.then i changed oil checked for leaks pulled out the shop and 1 mile later 6600rpm 1-4 th gear.next night raced chowdogs lightly modded z06(12.2 @117)beat it from a roll and from a stop by 3+ cars.put 5500 miles on the motor then sold it to my friend and it has run problem free since last summer.
 
Posted by 91 5.0 (Member # 1527) on :
 
quote:
Originally posted by 91 5.0:
quote:
Originally posted by 1 FLy5O:
a blown 460, in a f350 383 stroker in a 89 iroc and a 305 bored to 327 in a 76 nova

305 bored to a 327? I know absolutely nothing about this so correct me if im wrong, but you gained 22 cubic inches from boring the cylinders?????? Sounds strange to me, I would think that a 327 has a longer stroke than a 305???? Anyone know???????
I know someone around here knows this. Help me out. [patriot]
 
Posted by Elapid (Member # 50) on :
 
mellow for the first 1k miles is a good idea, especailly if you have a lot invested in your motor...

take into account the type of motor/setup also, flat-tappet cams, OHC, roller cam...ductile iron rings or cromoly rings...500 bux or 10k bux...
 
Posted by jeo (Member # 2918) on :
 
i agree, don't baby it just drive it hard. i know people that has babied their motors and ones that dogged it and seems like the ones that babied theirs don't run as hard as the dogged ones.
 




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