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Old 02-01-2010, 09:43 PM   #69
Mr.Chevy4x4
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Join Date: Jul 2007
Location: Sims, NC
Posts: 531
Re: New engine, won't run!

Ok, here's another line of thinking. Did the person who rebuilt the engine know the difference between a tall deck and a regular passenger car 427? If they used standard passenger car 427 pistons it would be .400 down in the hole which would give you like 3.5 to 4:1 compression ratio. It would never fire off and run at that compression ratio. My very next move would be to run a compression check on every cylinder.

Just my $.02.

Mike
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