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To sonic test or not?

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Old Dec 27, 2003 | 10:52 AM
  #1  
Streetiron85's Avatar
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Joined: Aug 2001
Posts: 1,770
Likes: 1
From: Pacific Northwest
Car: '85 IROC
Engine: LB9
Transmission: 700 R4
To sonic test or not?

I bought a rebuilt stock short block a couple years ago (at least) that I never got around to using. I decided this year that I'd upgrade that block and put it into service. I had it Zero decked and I might have the crank balanced too. It's +.060 and I'm wondering if I should have the block sonic tested while it's apart.
I don't know if it has been tested and I can't find out cause the shop where it was built has been bought out.

Thanks for your opinions.
Happy New Year
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Old Dec 27, 2003 | 11:30 AM
  #2  
8Mike9's Avatar
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Joined: Jul 1999
Posts: 5,183
Likes: 42
From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
4inch bore block? If so, I'd only be concerned if I was building a high compression, high winding, high HP engine....then you *may* have some cooling issues...for most street builds it's probably not a concern.

Then again, it seems as if the block is already apart (since you had it decked), and testing it shouldn't be too expensive to give you piece of mind...but I still think it's dollars wasted for the average guy.
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Old Dec 27, 2003 | 11:37 AM
  #3  
Streetiron85's Avatar
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Joined: Aug 2001
Posts: 1,770
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From: Pacific Northwest
Car: '85 IROC
Engine: LB9
Transmission: 700 R4
It's gonna be a pretty Lo-Po, workhorse type motor. A back up 350 in case I have to take one of my good engines out of my car or truck. Bout 9.2:1 CR.
Anyone ever seen a .060 over 350 go south because of cyl wall thickness (or thinness) issues?

Thx

Last edited by Streetiron85; Dec 27, 2003 at 11:43 AM.
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Old Dec 27, 2003 | 11:39 AM
  #4  
ede's Avatar
ede
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Joined: Aug 1999
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From: Jackson County
i wouldn't of taken a 350 out to +.060, but since that's what you have i'd consider have it checked.
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