Break in procedure for B20
#1
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Break in procedure for B20
Im going to be reuilding a b20 motor with forged pistons, and rods, and was wondering what procedure to follow.
I have read that when breaking in a rebuilt motor that will be getting boost, you should run it for about 1000-1500 on a 30W non-detergent oil, then change to the oil that you will be using from then on.
I also was told in conversations with an engine builder around here, that i should run the motor N/a for the break-in period and then add my turbo equipment, and then do my tuning. He said this give the motor a better chance to properly break in and for the rings to seal.
I'm going to be running a "high compression - low boost" set-up because i have access to a really good tuner who advised this. I was against it until he showed me some dyno plots.
Other then that, what do you guys think? Opinions please
I have read that when breaking in a rebuilt motor that will be getting boost, you should run it for about 1000-1500 on a 30W non-detergent oil, then change to the oil that you will be using from then on.
I also was told in conversations with an engine builder around here, that i should run the motor N/a for the break-in period and then add my turbo equipment, and then do my tuning. He said this give the motor a better chance to properly break in and for the rings to seal.
I'm going to be running a "high compression - low boost" set-up because i have access to a really good tuner who advised this. I was against it until he showed me some dyno plots.
Other then that, what do you guys think? Opinions please
#2
Re: Break in procedure for B20 (B16B)
I did half easy half hard break in and motor broke in perfect and rings sealed quick. No freeway driving, just driving around town rev quick to 3500 for couple days then 500 increments every couple days then when i got to 5000 the next day i just went for it and shifted at 7000 and then 8000 and then 8500. No smoke and no more stressing over how to break in motor. It's a fully built 2 liter lsvtec so I was scared at messing it up as this was my first big build up. good luck! PJ
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Re: Break in procedure for B20 (ELESVEE)
My concern is that this is a daily driven car with highway driving every single day. what effect will highway driving have when breaking in the motor? Is it becuase the constant speed, that the oil wont get a achance to seal the rings?
#4
Re: Break in procedure for B20 (B16B)
Read This...
http://www.mototuneusa.com/break_in_secrets.htm
Basically, don't run it too soft.
Change the oil after the first ~50 miles. No synthetic oil for 3-5K miles...
Jeffrey Atwood
http://www.mototuneusa.com/break_in_secrets.htm
Basically, don't run it too soft.
Change the oil after the first ~50 miles. No synthetic oil for 3-5K miles...
Jeffrey Atwood
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Re: Break in procedure for B20 (Jefnes)
ok, i read the info, has anyone else broke in their motor using this procedure? i dont feel like being a guinea pig
#6
Re: Break in procedure for B20 (B16B)
I didn't follow it exactly on my B16A build, becasue I had not read this before
break-in.
BUT, I was running 15-18 psi inside 500 miles. Ran ~5k until the oil pump
let go. Upon inspection everything was 'perfect'.
Just be sure to let it warm up properly. No WOT to redline, but give some good 'foot' and short shift...
Jeffrey Atwood
break-in.
BUT, I was running 15-18 psi inside 500 miles. Ran ~5k until the oil pump
let go. Upon inspection everything was 'perfect'.
Just be sure to let it warm up properly. No WOT to redline, but give some good 'foot' and short shift...
Jeffrey Atwood
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