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Henry Schmidt Henry Schmidt is online now
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Join Date: Apr 2004
Location: Fallbrook, Ca. 92028
Posts: 14,241
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Quote:
Originally Posted by gmanelan View Post
Wow this thread went in an interesting direction. I started out as a newbie just wanting to learn about the basics, but ended up learning about different alloys!

Those 95mm pistons for a 2.2 look interesting! In the end I went for the CP s 9:5 pistons in AA Birals to go with my DC 30 cam choice. Based on some previous posts I found I'm a little worried about the consistency of the bore but we will see.

If somebody could help me work out my dynamic CR I would appreciate it. Also any advice on ring clearance when using the 2618 alloy in birals.

Wish me luck and thanks for the help.
Static compression ratio of 9.5:1.
Effective stroke is 2.29 inches.
Your dynamic compression ratio is 8.49:1 .
Your dynamic cranking pressure is 172.95 PSI.
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Old 09-23-2025, 08:31 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #35 (permalink)