Thread: break in on a rebuilt

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Break it in the same as you plan on driving it. To me that means, leaving some nice burnouts out of the garage! haha. As for oil, was the motor dynoed? if so, then it would have been broken in there and should not need further break in.

There is something to that philosophy of breaking it in like you intend on driving it. I knew a kid whose Dad owned a Pontiac dealership. Every other year he got a brand new car of his choice. One year a 63 Grand Prix 421 tripower, two years later a 65 GTO tripower (that was actually a 421, not a 389) Anyway, he was out racing the night he picked them up and always had the fastest car around, and attributed it to breaking them in hard.

Don

Funny you should have a story like that Don and I don't want to highjack this thread but I have experienced that sort of thing personally. I once worked for the Fiat, Lancia, Lada motor Vehicle dealer in one of our fair cities and with the elderly car groomer we were sent up to Dunedin to take delivery of two brand new top of the line Fiats. Now I can't remember how many miles between the two cities but it used to take 3 to 3.5 hours drive at about 60 mph. Well to cut a long story short, we, the groomer and I, left Dunedin together but once I got on the motorway (freeway) I put the the go pedal down and ran that baby in at an average of 130kmph (80+ mph) all the way home. That same car was sold to a manager of the local Freezing Company who also drove it hard. The car that the groomer drove sedately was on sold to a retired farmer that drove it conservatively and had all types of trouble mechanically where as the one I drove purred throughout it's life. Something that has always stayed in my mind.

Drive it like you stole it from the gitgo. If it breaks, you didn't put it together properly. Agree with Don, oil is cheap. Change it at every opportunity.