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460 bore
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Topic: 460 bore (Read 475 times)
gator
Small Block
Online
Posts: 185
Location:
North Little Rock, Arkansas
460 bore
«
on:
March 13, 2010, 11:38:47 pm »
How much can you bore a 460 safely, street/strip?
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67 Fastback
Bill Watson
Big Block
Offline
Posts: 1671
Location:
Southeast Kentucky
Re: 460 bore
«
Reply #1 on:
March 13, 2010, 11:45:57 pm »
Hard to say. I heard of 68-70 blocks going .100 over
It's always best to sonic check to know what you can safely do. .030 over may be too much... you never can tell really.
Bill
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67 MUSTANG FASTBACK... on Jackstands
Living the dream or running it down... Haven't figured out which yet.
ANDY7YO
6 Banger
Offline
Posts: 96
Location:
Branford, Fl.
Re: 460 bore
«
Reply #2 on:
March 14, 2010, 09:23:11 am »
My last was .080 and half filled with hard block, mud raced it for 6 years.
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Andy
pkzponyz
4 Banger
Offline
Posts: 10
Location:
Wright City, Missouri
Re: 460 bore
«
Reply #3 on:
March 24, 2010, 06:38:19 pm »
As the other guy stated, it is not uncommon to be able to bore them .080 over. That is one of the combinations used to make 514 and 533 inch engines. Unfortunately you never know unless you have it checked. It would suck to put all that time/money/energy and then find out afterward that you are too thin and the block cracks or leaks. Do yourself a favor and check it first. I had one 71 block that with the core shift it would only safetly go .040 and that was a block I was thinking about making a 514 from.
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Kevin Meine
1969 Mustang Mach 1
460 Big Block with a-429 Aluminum heads
11.51@117mph
NMRA Open Comp #9139
CDW6212R
Big Block
Offline
Posts: 1320
Location:
Knoxville, TN.
Re: 460 bore
«
Reply #4 on:
March 25, 2010, 10:07:07 pm »
Ditto, sonic check them. The old yellow Performance Ford book of the 70's stated any 429/460 could go .080 over, and up to .160 with checking. There's always the odd bad block, so test it first. Regards,
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Don
98 Mountaineer, 347 and A4WD
91 Mark VII LSC Special Edition
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