sevenin7

My car ( engine ) is ready . I make 1.000km , and i m planning to run in drag race with 20 psi of boost .
streeet porting
3mm hurley seals
t-76
motec ecu.....etc
Its neccesary to do more kilometers in my engine , or its o.k to run with this very high boost ?
Thaks.

Robertio

I'd check what your engine builder recommends, at 1k miles I was only using 4k rpm and no boost, as I ran to a 2k mile (3250km) running-in process on my engine.

Snook

iTrader: (12)

were the rotor and stationary bearings changed to new? if so, you must do a much longer breakin. and even if they were reused you should break it in more and make sure it's tuned safe for the new port

-Yanni

sevenin7

o.k guys
so its neccesary to do at least 2.000 km more ( for a total of 3.000 km ).

particleeffect

i'm actually on the school of thought that after all the cold starts of 500 miles time, it's perfectly broken in. of course you want to run mineral oil for brake in. also for all that time you haven't "de-carboned" your engine by revving it up to redline so wouldn't there be extra build up that is bad for our rotary engines? duno.

Assud

Im in the school of thought thats its better safe than sorry, pushing 20 PSI of boost after you got a new engine is probly a bad idea to just go and do. Maybe start with something a little less for a while like 10 psi then move to 15 and lastly 20. Maybe im wrong...just overly cautious...

particleeffect

i agree, but when it comes to rotaries, NOT revving them for so long may be bad for them due to carbon build up. i don't know about the boost, just wondering about the revving.

anyways, your motor brakes in alot more on each cold start than long driving with the oil heated up.