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a12 engine
Just popping in
Joined:
2000/12/5 2:19
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please could someone give me the compession for this engine, i get about 200lb/sqin
on all four,
but the engine still blows smoke on acceleration and gives a gurgling sound at idle.


Posted on: 2000/12/5 2:19
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Re: a12 engine
Home away from home
Joined:
2000/5/26 7:46
From Good Old Knockfull, Tennessee, USA
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Use this guide to find compression ratios:

140# = 8:1
160# = 9:1
180# = 10:1
200# = 11:1
220# = 12:1
240# = 13:1
260# = 14:1
280# = 15:1

Posted on: 2000/12/5 10:02
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"Haling" Portuguese Datsun1200 owners
Just popping in
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2000/12/4 3:08
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Hey guys, If You are portuguese, and need some parts, talk to me, I just might help you. A very close friend of mine is just about to clear his back yard and guess what? Among
the trash he

Posted on: 2000/12/5 4:54
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Re: a12 engine
Not too shy to talk
Joined:
2000/2/6 5:21
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Posts: 37
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It sounds like your engine is severly carboned-up.
When I worked for Toyota we would see high pressures on Tercel engines, & upon dissasembly they'd be full of carbon.(On piston crowns etc) I work at a Honda dealership now & we often
see high mileage cars that burn oil,& smoke out the tailpipe. When compression is tested they check out ok. When taken appart the top two rings are fine(These controll compression),
but the bottom/ oil rings are all carboned up & stuck in the ring-land. The lesson I've learned from this is that good compression readings don't always tell the full story about ring
wear & or condition.
Good luck.

Posted on: 2000/12/5 10:25
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