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depends on what year it is, if it's been built for performance, kind of heads....lots of different compressions. usually for an early built engine somewhere in the ballpark of 8.5/1 up to 10.5/1. good luck with that!

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โˆ™ 2005-11-30 15:35:37
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Q: What is the compression of a 350?
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What is Compression specs for 1974 nova 350?

Compression ratio on a 1974 Chevy 350 in a Nova was 8.5:1.


What is the compression ratio of a 1974 Chevy 350?

8.5 to 1 compression is factory stock.


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The compression ratio of a 350 Chevy engine usually ranges from 8.0 and 9.0 to 1. This provides a good balance of fuel economy and power.


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A 260 what, on a 350 what, might help us answer that.


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Not a good idea. 350 heads will lower compression to 7 to 1 or less.


What is the compression on a 1982 small block 350?

8:1.


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What is the compression ratio of a 1968 Chevy 350?

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What if Chevy 350 cylinder compression is 115 psi to 135 psi?

then youre running about 8.5:1 compression


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Why would the compression be low on 5 cylinders of a 350?

WILL IT STLL RUN ?OR IS IT DEAD ?


How much horsepower is in a 350 with a 292 cam?

I had one with 10:1 compression that was making close to 350 hp with decent heads.


What is the compression in a stock 3970010 350?

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Yes, but it increases compression a full point.


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Engine stroke for 350 Chevy small block?

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How do you get 400 hp from a 350 Chevy?

Good compression, good heads, good cam.


Why does a Chevy 350 have low compression on adjacent cylinders?

If any two adjacent cylinders have low compression it's probably caused by a blown head gasket.


Will 307 heads bump up compression on 1970 350 block?

it all depends on the head chamber volume of the 307 heads and the 350 heads that are being replaced. if the 307 heads have a smaller chamber volume then yes, they will bump up compression.


How do you determine the compression stroke on a 350 Chevy engine?

Remove all the spark plugs and turn the engine over by hand. Place your thumb over the #1 plug hole and you will feel the pressure on the compression stroke. A compression gage will also tell you when you are on the compression stroke.


Why does my Yamaha wolverine 350 run good yet have no power?

Has no compression needs new rings