Whats your theory on short engine breakin and hard driving afterwords ?
11-07-06, 03:44 PM
#1
Whats your theory on short engine breakin and hard driving afterwords ?
Whats do you guys think about short engine breakin and hard driving after , 4-7k rpms or even redlining, i have about 500+ miles on my car and im doing it , engine rebuilt by kevin landers with streetport and atkins apex seals.
11-07-06, 06:33 PM
#4
Originally Posted by jackhild59
I think that you should ask Kevin Landers; You may not still have a warrenty after this post.
The engine may have over 1000 miles for all I know because Ive driven on it at least 6 or more tanks of gas but who knows how many miles I've actually went.
11-07-06, 06:42 PM
#5
im rather infamous for my personal break ins but i ALWAYS tell my customers to baby the engine for 1k miles mainly to just seat in the apex seals.
personally i have boosted my engine out of the box, it now has 26k miles on the atkins apex seals and still runs great but i have had the motor apart for unrelated failures on a few occasions, mainly overboost issues----> damn my lead foot and twitchy boost controller hand...
personally i have boosted my engine out of the box, it now has 26k miles on the atkins apex seals and still runs great but i have had the motor apart for unrelated failures on a few occasions, mainly overboost issues----> damn my lead foot and twitchy boost controller hand...
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11-08-06, 09:12 AM
#8
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I always thought you have to let the apex seals wear/ breakin such that they seal with the housings properly, then you can get on with abusing them.
Driving it hard before they are broken in seems like you're introducing unatural wear and they may never conform to the housings properly.
Did you replace the clutch as well after the rebuild because you shouldn't be shifting that high either until it's broken in for the same reasons.
Readlining your car under load and off load are two different things as well. If you're worried about carbon buildup just get it close to the redline with it off load (with the clutch in). Under load will wear the clutch and the new apex seals.
Or at least that's what I think is most reasonable. I know that I wouldn't want to abuse a new engine... right away.
Driving it hard before they are broken in seems like you're introducing unatural wear and they may never conform to the housings properly.
Did you replace the clutch as well after the rebuild because you shouldn't be shifting that high either until it's broken in for the same reasons.
Readlining your car under load and off load are two different things as well. If you're worried about carbon buildup just get it close to the redline with it off load (with the clutch in). Under load will wear the clutch and the new apex seals.
Or at least that's what I think is most reasonable. I know that I wouldn't want to abuse a new engine... right away.
Last edited by Dr4900n; 11-08-06 at 09:16 AM.
11-08-06, 10:59 AM
#11
I think my engine is broken in enough, ive had the engine running over a year just havent put many miles on it, i think ive put 600-1000+ on it , it runs very well and the warrantee already expired along time ago so it was useless to have when i never got any milage on my car
11-08-06, 11:07 AM
#12
Originally Posted by RotaryResurrection
so whats your opinion ? i have no clue what my mileage is but i know its 600+ but it could very well be over 1000, ive prolly done 6-8 full tanks of gas on the breakin, but who knows how much milage i got ... although the oil changes i did, i last did the oil change for the 500 miles interval because i was assuming i had about 500 but it could of been way more. But the car runs great.
11-08-06, 11:26 AM
#16
Originally Posted by My5ABaby
Sure, go for it. It's your car and if you're that antsy to do it, enjoy!
Ive had the engine in the car for alittle over a year now and you would think I'd put enough mileage on the breakin already, but I never fixed the speedometer cable , i tried to but it fell off after only a short drive.
I also figure since i have already reved the car up plenty of times doing it again isnt going to make a difference since it was already done once, even from the first startup the idiot helping me start it held the throttle at wot at startup and nothing happened then or since then, of course i was pissed off at the guy but what could i do after the damage is already done ?
The car drives good now with no signs of any damage, even if the motor only lasted 50,000 miles id be happy.
Last edited by wthdidusay82; 11-08-06 at 11:45 AM.
11-08-06, 01:41 PM
#18
Originally Posted by wtfdidusay82
Ive had the car for over 2 years now, i think if you were in my position after putting all the money into it and time youd want to floor it.
11-08-06, 01:48 PM
#19
The most important part of a break in is the 1st 20 miles. At this point, you need to change the oil and filter again. Do a UOA with Blackstone labs sometime and tell me how much crap is in the oil this fast. You'll be amazed! I'm not saying that you are broekn completely in after only 20 miles but this is the critical time.
11-08-06, 01:54 PM
#20
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Originally Posted by Karack
what does load have to do with the clutch wearing? when the clutch is fully grabbing there is no wear at all.
Last edited by Dr4900n; 11-08-06 at 01:59 PM.
11-08-06, 06:44 PM
#21
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Originally Posted by wtfdidusay82
Ive had the car for over 2 years now, i think if you were in my position after putting all the money into it and time youd want to floor it.
Ive had the engine in the car for alittle over a year now and you would think I'd put enough mileage on the breakin already, but I never fixed the speedometer cable , i tried to but it fell off after only a short drive.
I also figure since i have already reved the car up plenty of times doing it again isnt going to make a difference since it was already done once, even from the first startup the idiot helping me start it held the throttle at wot at startup and nothing happened then or since then, of course i was pissed off at the guy but what could i do after the damage is already done ?
The car drives good now with no signs of any damage, even if the motor only lasted 50,000 miles id be happy.
Ive had the engine in the car for alittle over a year now and you would think I'd put enough mileage on the breakin already, but I never fixed the speedometer cable , i tried to but it fell off after only a short drive.
I also figure since i have already reved the car up plenty of times doing it again isnt going to make a difference since it was already done once, even from the first startup the idiot helping me start it held the throttle at wot at startup and nothing happened then or since then, of course i was pissed off at the guy but what could i do after the damage is already done ?
The car drives good now with no signs of any damage, even if the motor only lasted 50,000 miles id be happy.
You say you have run 6 full tanks.... Assuming you get crappy mileage that is still over 1200 miles. That should be enough to start pushing the engine. I wouldnt go redlining it, but its not my car. i would put another two tanks through it.
BC
11-08-06, 06:49 PM
#22
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i say just a little over 1k cause my motor took more than 500miles to break in. My motor compression after 500miles was only at 120, and 92 now its more even like 125, and 110ish. I say just check your compression and if its good, go for it.
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