My day in pictures v.Project STi (56k maybe not)
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slowvo wrote:
screw that, 4k doing damage to a new motor?? my ass..i beat the hell out of cars to 7k w/ 2-8 miles on them quite regularly
subaru's engines = junk?
volvo=shit. -
slowvo wrote:
screw that, 4k doing damage to a new motor?? my ass..i beat the hell out of cars to 7k w/ 2-8 miles on them quite regularly
subaru's engines = junk?Haha, yup... and to Chuck's comment earlier that they don't need to rehone it? I disagree, I would definately hone it, it has been ran and within the first few seconds a lot of the fresh surface will be cut down.
And for driving it back to the shop, wouldn't make much of a difference, if anyone has ever been to a auto. plant, they definately don't drive them nice off the line.
Anyways, looks like a sweet car! Can't wait to see what they do with it.
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Yeah the miles of driving it back are completly irrelevant. Motors should be fully broken in w/in the 1st 100 miles anyways. If you plan to dump new rings in there you gotta rehone it. It'd be stupid not to being it'd take a whole whopping 20 min.
Every motor we have ever done has not been broken in more than 30 miles before it has seen full boost/abuse and they all still run perfect today. Nates DSM motor say the dyno w/ a whopping 23 miles on it and left the dyno w/ 450whp and 48 miles on it. My motor saw 30 psi w/ 25 miles on it and still runs today 5 years later in another car.
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91nbtsi wrote:
Haha, yup... and to Chuck's comment earlier that they don't need to rehone it? I disagree, I would definately hone it, it has been ran and within the first few seconds a lot of the fresh surface will be cut down.And for driving it back to the shop, wouldn't make much of a difference, if anyone has ever been to a auto. plant, they definately don't drive them nice off the line.
Anyways, looks like a sweet car! Can't wait to see what they do with it.
Ok, maybe I was wrong about not having to rehone...i typed in a hurry this morning before going to a show. How about there will be less machine work required to resurface the cylinder walls if you keep the mileage to an absolute minimum?
Also (not related at all to what I quoted above), subaru strongly recommends keeping the rpm's below 4k RPM for the first 500-1000 miles (first oil change basically). Actually, I think they can void warranty if it has been pushed hard from the get go, I believe it has something to do with the breakin oil that they use, but I could be wrong.
At any rate, I look forward to seeing this car when it is completed. I just hope (for their sake) that they don't blow something up on their quest to make 600WHP.
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tjamz wrote:
subaru strongly recommends keeping the rpm's below 4k RPM for the first 500-1000 miles (first oil change basically)whoops
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motors nowadays do not need to be broken in when you drive them off the lot.
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Subaru's gay.
and kirk is too
hah
[QUOTE=tjamz]Also (not related at all to what I quoted above), subaru strongly recommends keeping the rpm's below 4k RPM for the first 500-1000 miles (first oil change basically). Actually, I think they can void warranty if it has been pushed hard from the get goQUOTE] -
300zx wrote:
motors nowadays do not need to be broken in when you drive them off the lot.<u>They still need to be broken in</u>, it's just not as touchy of a process anymore because of the tolerances engines are machined to now. You still have to break in your cams (happens before first 20 miles so whoopideedo i know) and seat the rings.
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300zx wrote:
motors nowadays do not need to be broken in when you drive them off the lot.While that may be technically true, it doesn't change the way Subaru recommends it and the way they cover the warranty.
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weshole wrote:
Most engines are still in the breakin process well after the 25,000 mile mark. Not nearly as critical as the first miles but, Breaking in nonetheless.Yeah maybe a diesel engine, but definatly not a gas engine. If its not broken in w/in the first couple hundred miles its all the better its gonna get. If you ever compression tested a brand new motor you'll know you have the best compression #'s right off the bat and w/in the first few hundred miles before the cyl walls glaze, after that if the rings didn't seat it's not gonna get no better.
But everyone will have the theories on how they wanna break in their motors but im set on my ways of running them hard right away and it hasn't ever done me wrong. IMO i think think 500-1000 miles break in is a waste of time and all its doing is preventing rings and bearings to seat and set in before its to late. Like i said before we've broken in numerous cars ON THE DYNO that still run today and made 400, 500+ hp w/in the first 50 miles of start up.
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I was suppose to wait 500 miles before i got on mine, but the guy who sold us my car took us for a ride right away in it and he got on it right then so then i just kept doing it from there on out figure he wouldn't do it if it wasn't "right"
2003 Mitsubishi Evolution 8
2011 Ford F150 Ecoboost
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slowvo wrote:
hopefully its faster than the previous money pit, er i mean wrxEdit- this is all in fun. I would love to see a fast STI at the track next year, especially a new one. now build it up!
"money pit"????? "Faster"?????? Are you refering to mine?
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