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Compression ratio 1969 351w Compression ratio 1969 351w

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06-29-2005, 06:44 PM   #1 (permalink)
Lupins
 
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Compression ratio 1969 351w
Does anyone know off hand the stock compression ratio of a 1969 351w bored 30 over standard stroke 4barrell 69 heads with flat tops?

Thanks in advance
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06-29-2005, 08:38 PM   #2 (permalink)
igo1090
 
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Location: Catonsville, MD
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Compression ratio 1969 351w
stock bore was 10.7:1 factory rating.
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06-30-2005, 06:57 AM   #3 (permalink)
cobraii351
 
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Compression ratio 1969 351w
Just a bit of information.... There is no such thing as 351W 4V heads. The difference between the 4V motor and the 2V motor was flat top pistons vs. dished pistons.
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06-30-2005, 07:32 PM   #4 (permalink)
Lupins
 
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Compression ratio 1969 351w
Thanks for the info.
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06-30-2005, 11:02 PM   #5 (permalink)
htwheelz67
 
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Compression ratio 1969 351w
I'd say with milling etc.....the compression will be close to 11.1, a nice set of aluminum heads will cure that.

my 67 vert http://htwheelz.smugmug.com
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