How does your built motor sound when it is cold?
How does your built motor sound when it is cold, before it warms up?
I need data data data. Please also post your motor build if it is not in your signature. Mine squeaks. And taps a bit. ALSO POST THE AMBIENT COLD TEMPERATURE. 20F is different from balmy 65F |
Mine is quite, like stock.
FM Pistons w/coated skirts Carrillo H Beams etc etc |
quiet as it is hot
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same as when its hot
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No unusual sounds. Supertech pistons.
My Honda Civic OTOH with 100k miles, has some slappy sounds for the first minute or so. |
Originally Posted by jtothawhat
(Post 655199)
Mine is quite, like stock.
Originally Posted by Stealth97
(Post 655200)
quiet as it is hot
Originally Posted by 18psi
(Post 655201)
same as when its hot
Curious- what is the ambient temperature in your area? "cold" can be quite a variance. |
Identical to when it's hot. I haven't started it under 50*F recently.
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I started mine ~40* or so once, runs just fine and sounds like normal, maybe better. My only difference is coolant temp takes longer to come up.
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http://www.youtube.com/watch?v=G24unfFNa6o
halfway between cold and hot, but the sound does not change much.. |
Sounds normal but idles like shit since the IAC valve died.
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Originally Posted by faeflora
(Post 655179)
How does your built motor sound when it is cold, before it warms up?
I need data data data. Please also post your motor build if it is not in your signature. Mine squeaks. And taps a bit. ALSO POST THE AMBIENT COLD TEMPERATURE. 20F is different from balmy 65F |
Mine sounds like an industrial grinder making small gravel out of large gravel. I thought it was normal for Miatas...
Stock 1.8 block, 120k mi. j/k I have a little piston slap when it is cold, but that goes away when it begins to warm. It goes clickety clickety cold or warm just due to loose tolerances from wear. I'm sure the PO's didn't keep the oil refreshed as they should have. No biggie. |
Check your valve lash (.03 on the intake, .06 on the exhaust on solid lifters), check torque on the cam gears, let us know how it goes.
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