engine break in procedure?

General automotive discussion

engine break in procedure?

Postby type85 » Sat Feb 02, 2019 12:08 am

The stats:
7A
New rings, bearings, hone, valve job done on head.
Running Castrol GTX20/50
How should I run in the engine?

30min initial start up fast idle?
How hard to I drive it?
This is a track car, so i can't drive it on the street too much, I can do some quick runs up and down the local freeway.

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Re: engine break in procedure?

Postby mrdeye » Sat Feb 02, 2019 9:25 am

Not that I’m an expert engine builder but when I rebuilt the engine in my coupe I put the engine under load as soon as possible. When I knew the cooling system was operating correctly I drove the car around the neighborhood. In a low gear I let the idle of the engine move the car around and then took it out to get the rpm’s up. Considering where I was, I started to drive it for what it was intended for. I did that until I had a chance to take it out to the track and miss use it. Changed the oil after the track day. Unfortunately the car has sat for awhile. Only have 2 or 3 track days on the engine.
Good luck with it! :drive: :flag: :beer:
Matt
Daily driver: '01 Toyota 4Runner
Project car: '84 Audi Coupe GT
Previous cars:
'95 S6 Avant, '87 5K TQ, '95 VW Golf, '84 VW Jetta turbo diesel, '84 VW GTI
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Re: engine break in procedure?

Postby varia » Sat Feb 02, 2019 10:07 am

¯\_(ツ)_/¯

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Re: engine break in procedure?

Postby PRY4SNO » Sat Feb 02, 2019 2:13 pm

varia wrote:http://www.mototuneusa.com/break_in_secrets.htm

:metoo:

Especially for a track car. Might be best to get it out on some secondary highways if possible.
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Re: engine break in procedure?

Postby type85 » Sat Feb 02, 2019 3:47 pm

Thanks! now if it would only stop raining.................
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Re: engine break in procedure?

Postby mrdeye » Sat Feb 02, 2019 4:34 pm

PRY4SNO wrote:
varia wrote:http://www.mototuneusa.com/break_in_secrets.htm

:metoo:

Especially for a track car. Might be best to get it out on some secondary highways if possible.


https://youtu.be/zNCrMEOqHpc

:beer: :P
Matt
Daily driver: '01 Toyota 4Runner
Project car: '84 Audi Coupe GT
Previous cars:
'95 S6 Avant, '87 5K TQ, '95 VW Golf, '84 VW Jetta turbo diesel, '84 VW GTI
mrdeye
 
Posts: 71
Joined: Nov 13, 2016
Location: Colorado


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