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Old 06-17-2009, 01:41 PM   #1
godforbid67
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Default Does my break in procedure seem ok so far?

I have 650 miles on my car. Most is daily driving around town. I have taken 3 extra trips (not too long) just to get some miles.
For the first 200 miles I didnt really hit boost, maybe 3-4 psi. Complete with rev matching, steady acceleration, no bogging, no staying at one rpm. For the last 400 or so, I have hit 10 pounds 4-5 times and hit about 5 pounds just about every drive. I go out late at night drive up and down a straight road, mostly in 4th. Accelerating to about 3,000 -3,500 rpms and then letting it drop down to about 2,000. Every 15 minutes or so, Ill do a higher boost run (no more then 10 psi) just enough to get the HKS to chirp a bit.
Does this seem like enough boost? Should I go higher in rpms now? The car hasnt even seen 4k, only once on a downshift but I clutched within 2 seconds. Most of the time I have been using engine braking, well any time I can really. Should I boost more? Less? Higher rpms? etc etc?
Thanks,

Chris
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Old 06-17-2009, 06:31 PM   #2
NickVu
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have you changed out the oil and filter yet?
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Old 06-17-2009, 07:21 PM   #3
juanmedina
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4K RPM seems low but WTF do I know! Do what ever you builder tells you to do! Good luck man your car is going to be a beast.

Next time I have to get a new build block, it will be break-in on a dyno. I don't want to deal with this **** ever ever again!

GL
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Old 06-17-2009, 08:03 PM   #4
godforbid67
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Quote:
Originally Posted by NickVu View Post
have you changed out the oil and filter yet?
No I am doing that at 800 miles. I am pretty sure he did it a couple times though when it first started up.
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Old 06-17-2009, 11:17 PM   #5
Paul
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i would be sure you had one before 800.....oil changes are cheap insurance on a newly built motor
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Old 06-18-2009, 02:48 AM   #6
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Get an oil change......and use the 10psi is what i would do. The seating really only take a few hundred miles if done properly.

At 600 miles i knew someone who went 17psi with a PT67 (37r)......and it holds comp like a tank. Leakdown came back perfect. However, built motors are a crap shoot.

I'm picky though even over 500 miles i still like doing high load up to 5k in 3rd(WOT give take 10psi)when oil temp are 180-200degrees then throw it in 5th. Let it cool for a while to prevent glazing. I do this and alternate between the two highest gears while cruising on the highway drop in lower gear for a minute or two every 10 miles or so. Up to 1200 miles. Then go nuts.

Last edited by Wrx_Fan_0717; 06-18-2009 at 03:17 AM.
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Old 06-18-2009, 11:27 AM   #7
benw
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sounds good to me. I tune my own car so I made sure the car had a good base map before leaving the site of the install, and immediately boosted it. The only thing I kept an eye on were RPM. Never over 4500 initially, then up to 5500, then to 7000. Oil changed @ 100 miles, 300 miles, and 1,000 miles. After 3,000 I switched to synthetic.

My engine was burning oil initially but that went away almost immediately. The engine still consumes oil but I found out it is leaking from the front exhaust cam seal, so I'm not so worried about the rings.
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Old 06-18-2009, 12:33 PM   #8
stretchedk7
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If its not burning oil and compression comes in ok then id say your doing a great job....obviously like you stated id change the oil around 100, 400, and 1000 miles and by 500 miles id be making sure the motor was seeing at least a little boost.
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Old 06-18-2009, 12:49 PM   #9
Wrx_Fan_0717
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^^^Nevermind he just said the same thing.
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Old 06-18-2009, 02:36 PM   #10
godforbid67
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Alright sounds good. I am getting an oil change tomorrow, and then will be hitting a road trip July 3rd to 7th.
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Old 06-18-2009, 02:43 PM   #11
Wrx_Fan_0717
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Some people say you don't have to worry to much. But on that road trip vary the RPMs with that new of a motor......every little bit helps. Make sure and put decent load on it. +-8psi depending on turbo up to 4k or so...then cruise in high gear to let walls cool. I wouldn't do more than a few pulls an hour. None in traffic and none if your oil temp is over 230ish.

The most important thing when breaking in is scour the walls (load, rpms) to fitment with the the ringlands and letting the block cool (directly after load) and not glazing it. Ensure you get a tight sealing ring, and finally varying rpms on "long" trips for the first couple k.
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Old 06-18-2009, 04:58 PM   #12
godforbid67
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Default

I always vary my rpms, even around town. Anytime I have boosted over 8 or so, I didnt boost for at least 30 more minutes. I definetly give more then enough time to cool down.
Is it ok to cruise while varying rpms in 5th gear on the highway? Or should I try and take slower back roads?
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Old 06-18-2009, 10:54 PM   #13
Wrx_Fan_0717
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Default

Sweet dude sounds like your doing good.

Naa your good to stay on the highway just vary your speeds some. Once in a while change the gear and slow a bit etc.

(eg don't use cruise control for an hour)
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Old 06-19-2009, 02:59 AM   #14
godforbid67
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Default

Quote:
Originally Posted by Wrx_Fan_0717 View Post
Sweet dude sounds like your doing good.

Naa your good to stay on the highway just vary your speeds some. Once in a while change the gear and slow a bit etc.

(eg don't use cruise control for an hour)
Alright thanks, maybe I will run into along my travel from South Fl to at least Gainessville, possibly Georgia.
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Old 06-19-2009, 03:12 AM   #15
Wrx_Fan_0717
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haha need a tune let me know.



(shameless plug)
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Old 06-19-2009, 03:48 PM   #16
godforbid67
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Default

Ive got a very reputable tuner down here so not really, sorry. He built the engine, and everything so he knows every single inch of the car. He is also a very very good tuner.
Thanks though,

Chris
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Old 06-19-2009, 04:18 PM   #17
Wrx_Fan_0717
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I was joking.....
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Old 06-19-2009, 04:48 PM   #18
madmax718
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change your oil.. Im pulling my motor again because I kept putting it off.. apparently I had a chunk of something, got lodged between my cam and the cap, and... well.. bent valves, bent cam, skipped timing, the works!
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Old 06-19-2009, 04:52 PM   #19
godforbid67
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DAMN BRO, sucks. Oil is already changed...... Or in the process now.
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Old 06-19-2009, 09:36 PM   #20
Paul
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Quote:
Originally Posted by godforbid67 View Post
Ive got a very reputable tuner down here so not really, sorry. He built the engine, and everything so he knows every single inch of the car. He is also a very very good tuner.
Thanks though,

Chris
WHy dont you just do what ever he says then?
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Old 06-19-2009, 11:21 PM   #21
godforbid67
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I am, and have been..............
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Old 06-20-2009, 02:56 AM   #22
scoobiekid86
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im officially in the break-in club. welcome me bro...gonna play catch...dyno/tuning day is gonna be fun
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Old 06-20-2009, 03:57 PM   #23
godforbid67
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Yeah, Im just about half way there. So you gotta catch up. Lets cruse tonight? Play some tag............nice and slow...............
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Old 06-20-2009, 04:48 PM   #24
CatfaceType-R
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do not just stay at one rpm, go up and down in the rpms at various loads, just as i've read don't do engine braking(use your engine to help you stop). Look up the incriments as I don't remember them off of my head, you have build motor discussion as a reference as it has been an exhuasted topic. Anyway, vary your rpm but put some load and 100% throttle and run her hard to seat the rings, don't forget about the oil change incriments, also here on bmd.
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