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Forum: General Q & A

05-14-2005, 04:39 PM

Replies: 14

Compression? Does this sound right?

Views: 2,792

Posted By tmdog

Re: Compression? Does this sound right?

After water testing today, the results on in. First I would like to thank all that responded. There is no doubt the engine was burning extremely lean. Upping the jets to 78-86 and running octane...

Forum: General Q & A

05-12-2005, 08:38 PM

Replies: 14

Compression? Does this sound right?

Views: 2,792

Posted By tmdog

Re: Compression? Does this sound right?

These are closed chamber heads (Vortec). When I pulled plugs, 5 plugs looked extra clean, like out of the box. The other 3 had slight color. Very slight. Changed jets on the 4150 to 78-86, 4 sizes up...

Forum: General Q & A

05-12-2005, 06:12 PM

Replies: 14

Compression? Does this sound right?

Views: 2,792

Posted By tmdog

Re: Compression? Does this sound right?

Prior to the test all plugs were removed. When checking out the first cylinder, wouldn't water be removed from the other cylinders while checking the first? I hope this makes sense.

Forum: General Q & A

05-12-2005, 05:25 PM

Replies: 14

Compression? Does this sound right?

Views: 2,792

Posted By tmdog

Re: Compression? Does this sound right?

What would cause the comp to be high? Should I be concerned? What negative effect on engine?

Forum: General Q & A

05-12-2005, 01:36 PM

Replies: 14

Compression? Does this sound right?

Views: 2,792

Posted By tmdog

Compression? Does this sound right?

Older SBC bored 60 over w/ Vortec heads and Comp XM 270 cam. Comp readings are 208 on the high and a low of 190 on the cylinders. These numbers seem very high to me. Is this normal or should I get...

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