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> New Engine Break In Procedures, What if I can't afford the dyno?
nine14cats
post Dec 29 2003, 01:24 PM
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Bill Pickering -- 914-6 GT aka....Leeloo
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Hey Gang,

I wanted to break in my new engine at JWE. They quoted $800 for the engine dyno procedure, plus whatever needed to tune it. A little pricey for my modest means....

Any other way to break in a race engine on a rear wheel dyno or by driving around the neighborhood without getting a ticket? (IMG:style_emoticons/default/laugh.gif)

Bill P.
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nine14cats
post Dec 29 2003, 02:10 PM
Post #2


Bill Pickering -- 914-6 GT aka....Leeloo
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Group: Members
Posts: 2,618
Joined: 10-February 03
From: Campbell, CA
Member No.: 287
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I broke a piston ring on number 4 at the end of last year. I was smoking pretty good. I had the engine disassembled and found only the rings broken and everything else looked good. So I had the the machine shop clean up the surface in the cyclinder walls and heads on all cylinders and had all of the bearings and rings renewed, along with every gasket/o-ring. The parts were cheap once the engine was apart.

I'll use the open track days or the practice day before the TT to break the engine in. Since my wife and I will both be driving the car, the engine will see 8 sessions on the first day alone. I'll start the rev limiter low and gradually bump it up.

We will get 4 more sessions on the 2nd day before the actual timed runs. Can I go to redling (~7000 RPM) after we have broken in the engine over 12 sessions?

Thanks,

Bill P.
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