460 striker crank questions - 460 Ford Forum
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post #1 of 12 (permalink) Old 09-15-2019, 08:41 AM Thread Starter
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460 striker crank questions

I just purchased a eagle crank that was a sock 460 stroke that was offset ground. The stroke is now 4.135 and rod journal is for Chevy 2.20. The question I have is what rod and pistons do I use? I have search the internet for 4.135 stroke 460 cranks but all I find is 4.140. I believe I should use the BBC Chevy 6.8 rods and then a piston from possible keith black. Any help would be greatly appreciated.

Wade
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post #2 of 12 (permalink) Old 09-15-2019, 12:52 PM
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Originally Posted by Tbucketford429/460 View Post
I just purchased a eagle crank that was a sock 460 stroke that was offset ground. The stroke is now 4.135 and rod journal is for Chevy 2.20. The question I have is what rod and pistons do I use? I have search the internet for 4.135 stroke 460 cranks but all I find is 4.140. I believe I should use the BBC Chevy 6.8 rods and then a piston from possible keith black. Any help would be greatly appreciated.

Wade
Wade, the possible piston & rod combos are near-endless. What exactly are you hoping to build (hp, etc) and what is the application (street, drag, etc)?

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post #3 of 12 (permalink) Old 09-15-2019, 01:59 PM Thread Starter
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I’m going to put this in a lowered truck. Looking to have somewhere in the 5 to 6 hundred horse range and would like to put some type of supercharging on it. I am looking to do some type of half mile or mile racing. The racing part would be a long term goal.
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post #4 of 12 (permalink) Old 09-15-2019, 02:20 PM
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Cool

Quote:
Originally Posted by Tbucketford429/460 View Post
Iím going to put this in a lowered truck. Looking to have somewhere in the 5 to 6 hundred horse range and would like to put some type of supercharging on it. I am looking to do some type of half mile or mile racing. The racing part would be a long term goal.

The type of cylinder heads you intend on using will determine which pistons, dish volume and final C/R are appropriate.


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post #5 of 12 (permalink) Old 09-15-2019, 02:43 PM Thread Starter
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I presently have a set of 1968 429 heads that I thought about using but I’m not set on those.
Wade
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post #6 of 12 (permalink) Old 09-16-2019, 02:10 AM
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Use a 6.800 rod and a piston right around 1.415-1.425....depending on the block.
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post #7 of 12 (permalink) Old 09-16-2019, 12:38 PM
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Cool

Even with a 38 cc dish which would be a custom piston your static c/r is too high for boost and pump gas.

A larger chamber is going to be necessary.




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post #8 of 12 (permalink) Old 09-16-2019, 02:47 PM
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Quote:
Originally Posted by Tbucketford429/460 View Post
Iím going to put this in a lowered truck. Looking to have somewhere in the 5 to 6 hundred horse range and would like to put some type of supercharging on it. I am looking to do some type of half mile or mile racing. The racing part would be a long term goal.
Is the supercharger just for looks because at the power level youíre looking for it is not needed.
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post #9 of 12 (permalink) Old 09-16-2019, 09:32 PM
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Quote:
Originally Posted by Tbucketford429/460 View Post
I just purchased a eagle crank that was a sock 460 stroke that was offset ground. The stroke is now 4.135 and rod journal is for Chevy 2.20. The question I have is what rod and pistons do I use? I have search the internet for 4.135 stroke 460 cranks but all I find is 4.140. I believe I should use the BBC Chevy 6.8 rods and then a piston from possible keith black. Any help would be greatly appreciated.

Wade
4.140 or 4.150 is the norm, same as a 2.200 rod, why would you want a 4.135 anyway? and yes use a 6.800 .990 pin

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post #10 of 12 (permalink) Old 09-16-2019, 10:18 PM
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4.140 or 4.150 is the norm, same as a 2.200 rod, why would you want a 4.135 anyway? and yes use a 6.800 .990 pin
Rich is there any issue's with the chevy rods not being centered on the piston?

Cheers, Bob
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post #11 of 12 (permalink) Old 09-16-2019, 10:44 PM Thread Starter
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The crank had already been turned 4.135 iam not sure why this had been done. That’s why I’m checking because I’ve only seen 4.140 and wasn’t sure what rod and piston combo to use.
Thanks
Wade
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post #12 of 12 (permalink) Old 09-18-2019, 08:46 PM
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Quote:
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The crank had already been turned 4.135 iam not sure why this had been done. Thatís why Iím checking because Iíve only seen 4.140 and wasnít sure what rod and piston combo to use.
Thanks
Wade
The difference in stroke equates to a .0025 difference in the piston. In other words, there is no difference.
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