DOVE-A BLK

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DOVE-A BLK

Post  1970 ford maverick on March 14th 2012, 12:54 am

My DOVE-A 4 Bolt main blk is 4.44 overbore now. How much more can I go?,can I get a 4.47 over piston for a TFS-a-460 head, 4.3s vs 4.47b? THANKS,MAVMAN
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Re: DOVE-A BLK

Post  dfree383 on March 14th 2012, 1:02 am

Need to sonic it and see what it will take, also a half fill would be a good idea if its not done already.
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Re: DOVE-A BLK

Post  c.evans on March 14th 2012, 1:05 am

X 2 on what dfree said. You can get a piston in whatever size bore you want. The determining factor is what rings sizes are available. Yes, 4.470" ring packages are the next size up from 4.440".

Hope this helps,
Charlie

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Re: DOVE-A BLK

Post  1970 ford maverick on March 14th 2012, 1:12 am

dfree383 wrote:Need to sonic it and see what it will take, also a half fill would be a good idea if its not done already.
10-4 "dfree383,Blk is not filled,but will add to my todo list.How much for sonic testing these days?,Thanks,MAVMAN
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Re: DOVE-A BLK

Post  138 on March 14th 2012, 1:18 am

how big is the intake valve on that A-head?

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Re: DOVE-A BLK

Post  1970 ford maverick on March 14th 2012, 1:19 am

c.evans wrote:X 2 on what dfree said. You can get a piston in whatever size bore you want. The determining factor is what rings sizes are available. Yes, 4.470" ring packages are the next size up from 4.440".

Hope this helps,
Charlie
Thanks Mr.Evans. Your always a "BIG" help! MAVMAN
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Re: DOVE-A BLK

Post  dfree383 on March 14th 2012, 1:19 am

1970 ford maverick wrote:
dfree383 wrote:Need to sonic it and see what it will take, also a half fill would be a good idea if its not done already.
10-4 "dfree383,Blk is not filled,but will add to my todo list.How much for sonic testing these days?,Thanks,MAVMAN

Depends on the shop.... $100 +/-

I wouldn't just bore it to fit some inexpensive pistons, if the bore is not wore out I'd get pistons to fit it.
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Re: DOVE-A BLK

Post  1970 ford maverick on March 14th 2012, 1:27 am

138 wrote:how big is the intake valve on that A-head?
There FD SVO 2.300 HD 11/32 STEM MANLEY
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Re: DOVE-A BLK

Post  1970 ford maverick on March 14th 2012, 1:38 am

dfree383 wrote:
1970 ford maverick wrote:
dfree383 wrote:Need to sonic it and see what it will take, also a half fill would be a good idea if its not done already.
10-4 "dfree383,Blk is not filled,but will add to my todo list.How much for sonic testing these days?,Thanks,MAVMAN

Depends on the shop.... $100 +/-

I wouldn't just bore it to fit some inexpensive pistons, if the bore is not wore out I'd get pistons to fit it.
Yes sir,it will need to be bored again,7 good,1 bad.#8 has some scuff marks.Thanks MAVMAN
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Re: DOVE-A BLK

Post  138 on March 14th 2012, 1:47 am

sleeve the trashed cylinder if your gonna be making some serious power. .47 is pushing it a little far no?

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Re: DOVE-A BLK

Post  rmcomprandy on March 14th 2012, 10:25 am

138 wrote:sleeve the trashed cylinder if your gonna be making some serious power. .47 is pushing it a little far no?

Sometimes and sometimes not ... it will depend upon THAT block and how thick those cylinder walls are.
Sonic checking will tell you ... some can go as large as 4.500" if you "half fill" the block water jackets.

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