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Old 11-29-2004, 05:36 PM   #1
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Default proper break in procedure rex.28 8p

what is the proper break in procedure for this engine so many people have different opinions just want to tally up and figure out the best way to break this baby in thanks guys
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Old 11-29-2004, 11:16 PM   #2
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Break-in isn't motor specific. You have to bring the engine up to running temperature (running slowly up and down the street). Run for about 5-7 minutes, shut the engine off, put the piston at BDC and let it cool COMPLETELY.

Repeat this for at LEAST 7-8 tanks, I'd spend about a quart if you want the engine to last. The key is to heat cycle the engine like you would a motocross bike or real car.
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Old 11-30-2004, 08:56 AM   #3
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thanks aron for the help i appreciate it just want this baby to break in properly thanks again
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Old 11-30-2004, 10:00 AM   #4
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No problem..just make sure you take your time!

When I say "running temperature", I'm talking in between 180-200 degrees. The objective is to get the aluminum components in the engine to expand as they would in regular running conditions, which usually happens around 180-200 degrees.
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Old 11-30-2004, 10:13 AM   #5
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i am going to be pacient this motor rocks seen it before i could imagine how the monster gt is going to be after i break this baby in thanks again aron i made mistakes before and blew some engines but not this time i love this thing so im going to drive it around lik1 15%of throttle for like 7 to eight tanks and let it cool down after each 5 to 8 minutes of driving right that should baby this thing for a couple of days man is this engine going to rip like they say it is ill have to get used to driving again some people say its to much but i say no way is this a good engine or is there bettr ones out so far everyone told me this might be to much allready
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Old 11-30-2004, 10:19 AM   #6
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Make sure you're varying the engine rpm while driving it up and down the street, don't just hold it at one speed and drive in a circle.
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Old 11-30-2004, 10:22 AM   #7
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dam you guys are great nevr expected so much help thought it was going to be like ballbusting in the beginning but i guess that comes latter ha lol
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Old 12-01-2004, 04:09 PM   #8
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so far 5 tanks 3 more to go cant wait to open this baby up might need a wheelie bar lol what should i chang the gearing to aron what do u recomend to be the best to get full potantial out of this engine want good top end end bottom got the ths pipe for it 86
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Old 12-02-2004, 10:29 AM   #9
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I'm not sure how to gear it because I've never run that engine, and never run a MGT.

If it sounds like it's winding out too quickly, gear up, and if it sounds like it's not revving out all the way (I can't imagine that motor not having the torque to pull the stock gearing) I'd gear down.
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Old 12-02-2004, 11:15 AM   #10
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i was thinking the same thing im going to gear down thanks again i seen this motor in a lst and he couldnt keep it on the ground it almost sucked has a lot of torgue thanks i think if i gear down it would be my best option get more top speed any way and with the power this engine puts out im sure the take off wont be noticable but at least controlable thanks again
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