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*Updated* So why is my motor smoking?

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Old 10-11-2007, 04:23 PM
  #11  
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Default Re: So why is my motor smoking?

compreression test is your friend. Any time you rebuild a motor get the head freshned up its worth the money and if you already went ahead with the bottom end spend a couple bucks on valve seals atleast they are so cheap
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Old 10-11-2007, 05:22 PM
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Default Re: So why is my motor smoking?

Originally Posted by d15b7underpsi
no coolant in oil, i tried to out of boost for the first 300 miles. Saturday i will check head stud torque, i think if i do take the head off i will have it resurfaced and put a oem honda gasket on instead of the cometic
I'd say valve seals, but if you're going to pull the head off, then I'd just go ahead, get it surfaced, and maybe have your block shop do a leak test to see if the valves are leaking or any cracks. (You never know)

Did you change the valves/ do a valve job?

How many miles were on the head before you did a rebuild?
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Old 10-13-2007, 07:28 AM
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Default Re: So why is my motor smoking?

70k was on the motor when i bought it. it seems to losing a little power outside of boost but vacuum readings are normal. head is completely stock and untouched.
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Old 10-13-2007, 06:11 PM
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Default Re: So why is my motor smoking?

muffler is too big
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Old 10-13-2007, 10:42 PM
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Default Re: So why is my motor smoking?

how many miles since the rebuild? with the cometic heag gasket and arp head studs it shouldnt be a blown head gasket unless your lifting the head which is actually pretty common. valves wouldnt cause smoke but would cause loss of power. valve seals will cause smoke because oil is leaking into your motor. you said it was white smoke so you can probably rule out valve seals. i would say your lifting your head, try some copper spray on your head gasket. other than lowering your boost (which im not advicing because im not one to get flamed on) i dont really know what to tell you.
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Old 10-31-2007, 03:08 PM
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Default Re: *Updated* So why is my motor smoking?

read the first post again....
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Old 11-13-2007, 03:47 AM
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Default Re: *Updated* So why is my motor smoking?

Originally Posted by random-strike
muffler is too big

One on my hatch is bigger

Originally Posted by d15b7underpsi
i rebuilt the motor with a new bore and rings however i did not replace valve seals. it only puffs when taking off right now.
Could this possibly just be break-in smoke. I'd assume the rings aren't fully seated right after a rebuild, and that would give you slight amounts of white smoke.
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