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11-06-2008 10:55 AM #1
CHR Member
- Join Date
- Oct 2008
- Location
- Loganville
- Car Year, Make, Model: 65 Chevy c10
- Posts
- 37
Open or closed chambered ????? Help
I have a question, I got my 70 402 engine apart and it has closed chambered pistons with about a 3/16 dome and I'm pretty sure the heads are open chambered.
I've heard some people talk of semi open chambered ????????
I'm just really trying to find out what I need to do next, on finding out what compression this engine will be if these heads are open chambered.
If this heads are open chambered does any one sell factory replacement open chambered pistons for the 402 I'm trying to get to 10.1 or 10.5 compression, so I can use a pretty decent cam.
Heads are casting # 3975950
ThanksLast edited by 198plus; 11-06-2008 at 07:00 PM.
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I saw last night on fb about John. The world sure lost a great one. I'm going to miss his humor, advice, and perspective from another portion of the world. Rest in Peace Johnboy.
John Norton aka johnboy