New Engine Break In?

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02-06-2005, 12:08 PM

#11

teknics

Senior Member

Join Date: Dec 2002

Location: Wayne, NJ

Posts: 4,837

Quote:

Originally Posted by Jims5543' date='Feb 6 2005, 07:52 AM

Staying below 4K rpm's really doesnt lend to much boost. I just drove it really easy for the first 1000 miles. Do any of you guys remember all the pictures I took taking small trips everywhere with my car trying to get the 1000 miles on the engine asap.

These guidelines were per Pettit Racing BTW this was after he street ported my engine and installed 3MM apex seals.

I guess its whatever you feel comfortable with.

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yea thats what ive concluded in my mind, different strokes for different folks.

Whatever makes you feel your engine is being broken in properly i guess is the correct way to do it really.

kevin.

02-08-2005, 11:19 AM

#12

phinsup

Administrator

Join Date: Jul 2001

Location: Stuart, FL

Posts: 24,416

I've got 2k on this motor in my vert, it's got brand new housings, I am starting to think 2k is enough to have some fun

02-08-2005, 11:58 AM

#13

Cheers!

Senior Member

Join Date: Nov 2002

Posts: 3,108

Quote:

Originally Posted by phinsup' date='Feb 8 2005, 12:18 PM

I've got 2k on this motor in my vert, it's got brand new housings, I am starting to think 2k is enough to have some fun

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Rotary Engine Break-in Procedures

A proper and careful break-in period for a newly rebuilt engine is extremely important. The break-in procedures listed on the following page may seem excessive. However, an engine that has been broken in properly will see more power across the engine's rpm range and longer service life than a comparable engine that has not. If using the old bearings, please note the difference in hours and mileage requirements for the break-in period.

When breaking in any engine (race or stock), use a low ash content, mineral-based racing oil (20W or 30W). After the break-in period, change to a mineral or synthetic racing oil (30W or 40W).

Race Engine Break-in Procedures

The information provided in this catalog is intended for use by individuals with some knowledge of rotary engine rebuilding. There are many experienced high-performance rotary engine rebuilders across the country. Please contact us for the locations of these shops.

Race Engine Break-In

Using a dynamometer for engine break-in is preferred. If you do not have access to a "Dyno," use the mileage break-in figures on the following table. The engine should first be run at idle for 30-45 minutes. During this time, be sure to check for leaks and keep an eye on the gauges. Ideally, for the first 100 miles (depending on use of new or used bearings), avoid operating the engine above 5000 rpm or under heavy load.

From 100-200 miles, gradually increase rpm, but never allow the engine to approach red line. Beyond 200 miles we recommend only short bursts of power approaching red line for 100 miles. At this point, change the break-in engine oil. The engine break-in period is now complete.