Engine Block Weights 460 iron vs. aluminum - 460 Ford Forum
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post #1 of 15 (permalink) Old 02-08-2008, 05:38 PM Thread Starter
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Engine Block Weights 460 iron vs. aluminum

Gentlemen,

I tried last night searching for the answers to this but could not find anything that clearly answered my questions.

Does anybody know what the weights are for the following engine blocks, bare, with just the main bearing caps:

Ford 460 production block
IDT Eliminator Sportsman block
Ford Aluminum 460 block

Thanks in advance,

Mike Johnson
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post #2 of 15 (permalink) Old 02-08-2008, 06:24 PM
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My factory block with .080 over bore weighed about 215 lbs. My A460 block before any boring weighed right at 300 lbs. My 11.2" Roberts Design(A96) aluminum block with no boring ( has 4.48" sleeves) weighs 186 lbs. Hope this helps you.

Chris

VPRC 1998 Mustang
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665 C&C Hemi : To Be Determined
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post #3 of 15 (permalink) Old 02-08-2008, 06:47 PM Thread Starter
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Chris,

Many, many thanks.

I'm somewhat surprised that there is only a 30 lb or so weight diff between the factory iron block and the aluminum block.


Mike Johnson
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post #4 of 15 (permalink) Old 02-08-2008, 06:50 PM
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IDT Eliminator is about 275 lbs.
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post #5 of 15 (permalink) Old 02-08-2008, 06:59 PM
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Quote:
Originally Posted by TopSportsman916
My factory block with .080 over bore weighed about 215 lbs. My A460 block before any boring weighed right at 300 lbs. My 11.2" Roberts Design(A96) aluminum block with no boring ( has 4.48" sleeves) weighs 186 lbs. Hope this helps you.
Boring an A460 block to 4.600" removes about 50 pounds .

B F Evans Race Parts
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post #6 of 15 (permalink) Old 02-08-2008, 07:04 PM
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Quote:
Originally Posted by Michael Johnson
Chris,

Many, many thanks.

I'm somewhat surprised that there is only a 30 lb or so weight diff between the factory iron block and the aluminum block.


Mike Johnson
Mike, you have to fealize the factory block is 10.3" deck & the aluminum block has an 11.2" deck height. You have added .900 to the deck height.

Chris

VPRC 1998 Mustang
557 CJ :1.15 60', 5.32@129.58 mph @ 2600lbs
665 C&C Hemi : To Be Determined
http://img146.imageshack.us/img146/2158/ricksadql2.jpg
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post #7 of 15 (permalink) Old 02-08-2008, 08:16 PM Thread Starter
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Chris,

Oops, I should have qualified that I was looking for 10.3 deck height block weights.

Lem,

Thanks for the info about A460 blocks, so a machined A460 block would weigh in at around 250 lbs?

Anyone know if the IDT block weight at 275 is before or after machining?

Thanks,

Mike Johnson
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post #8 of 15 (permalink) Old 02-08-2008, 10:21 PM
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Mike, I would guess a 10.3" aluminum block would be in the 140-150 lb range. Carroll Carter said it was about a 150 lb weight savings. Sorry that I forgot to post that earlier. ops: Especially since you were looking for stock deck heights.

Chris

VPRC 1998 Mustang
557 CJ :1.15 60', 5.32@129.58 mph @ 2600lbs
665 C&C Hemi : To Be Determined
http://img146.imageshack.us/img146/2158/ricksadql2.jpg
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post #9 of 15 (permalink) Old 02-08-2008, 11:28 PM
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Quote:
Originally Posted by Michael Johnson
Chris,

Oops, I should have qualified that I was looking for 10.3 deck height block weights.

Lem,

Thanks for the info about A460 blocks, so a machined A460 block would weigh in at around 250 lbs?

Anyone know if the IDT block weight at 275 is before or after machining?

Thanks,

Mike Johnson
Before. They are about 250lbs at 4.600 bore if my source is correct.
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post #10 of 15 (permalink) Old 02-08-2008, 11:43 PM
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The A460 blocks come with a 4.340" bore..... -.020" . So , one could see that there would be a great reduction of wt. @ 4.600 from the as delivered bore . I am the the source of this info

B F Evans Race Parts
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post #11 of 15 (permalink) Old 02-09-2008, 12:22 AM
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Q: whats the difference in pricing of the 10.3 A460 iron VS Aluminum block?
Thanks
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post #12 of 15 (permalink) Old 02-09-2008, 12:57 AM
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about $4000
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post #13 of 15 (permalink) Old 02-09-2008, 07:55 AM
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Quote:
Originally Posted by ICBOSS
Q: whats the difference in pricing of the 10.3 A460 iron VS Aluminum block?
Thanks
A460 per Lem Evan's website = $2095

10.3"R.D. Aluminum per C&C = $5570

For a difference of = $ 3475

So you can actually buy two A460 blocks for less than an aluminum. A460 blocks are a good deal. How much are the top of the line IDT blocks? Aren't they about $2800-3000?

Chris

VPRC 1998 Mustang
557 CJ :1.15 60', 5.32@129.58 mph @ 2600lbs
665 C&C Hemi : To Be Determined
http://img146.imageshack.us/img146/2158/ricksadql2.jpg
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post #14 of 15 (permalink) Old 02-16-2008, 06:24 PM Thread Starter
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Thanks to everyone

I just wanted to thank everyone for their responses, I had some computer problems and was unable to respond earlier.

Mike Johnson
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post #15 of 15 (permalink) Old 02-16-2008, 07:58 PM
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Re: Thanks to everyone

Quote:
Originally Posted by Michael Johnson
I just wanted to thank everyone for their responses, I had some computer problems and was unable to respond earlier.

Mike Johnson
i think my block from c&c weighed about 150lbs compared to about 275-280 for an iron deal. my small block rdi aluminum 9.5 block only weighed about 80-90lbs.
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