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Old 01-23-2016, 09:47 AM   #7
Royce P
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Join Date: May 2010
Location: Tulsa OK
Posts: 476
Default Re: Normal compression on a T... high altitude makes a difference?

Your altitude of 10,000 feet makes a big difference in the car's performance. Your cold cranking pressure measurements (not compression) are normal for that altitude. As you have demonstrated, the cold cranking pressure is down 20% compared to what would be normal at sea level.

You should install a high compression cylinder head, available from any of the T part vendors. Then your car will perform better.
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