460 / boring it out / stroker ?
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Junior User
Joined: Nov 2001
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Bought a 78 f250 w/400 in it. It is fun. Found another f250, burnt cab, had a 460 put in it. Was told the original owner had it turned into a 550. Everything external is stock though. Could that have been done simply by boring it out, or would it have to be a stroker? Cant get a hold of the guy to ask. Guess I would know when I put my D0VE heads on. Shouldnt there be a bigger cam already to help aspiration with 550 cubes?
Any comments are appreciated.
Thanks,
Andrew
Any comments are appreciated.
Thanks,
Andrew
Post Fiend
Joined: Jan 2003
Posts: 10,323
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From: Montana Territory
The farthest you can go by boring is to 472, so it has to be a stroker crank, and possibly rods.
You need an awful big carb and high flowing heads to feed 550 cubes, I would bet that there has been some serious custom work done on those heads and they are probably worth some money.
You need an awful big carb and high flowing heads to feed 550 cubes, I would bet that there has been some serious custom work done on those heads and they are probably worth some money.
Moderator
Joined: Dec 2001
Posts: 22,436
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From: Louisville,Ky.
If it is all stock intake, manifolds, egr valve, etc, I would bet that it ain't no 550. Even the big strokers are only 514ci.
Sound like somebody doesn't quite know what they are talking about . But, a good 460 is still a good find!!
Jimmy
Sound like somebody doesn't quite know what they are talking about . But, a good 460 is still a good find!!
Jimmy
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From: west central illinois
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Post Fiend
Joined: Jan 2003
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From: Montana Territory
The only difference is that the SVO block is aluminum. otherwise its identical to most 460/429 blocks.
It is still extremely difficult and not advisable to go all the way, just htat you could, and I don't think that you could get an engine of that displacement to be functional very long.
It is still extremely difficult and not advisable to go all the way, just htat you could, and I don't think that you could get an engine of that displacement to be functional very long.
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Moderator
Joined: Dec 2001
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From: Louisville,Ky.
It wouldn't stay cool unless it was in a boat and pulled in cooler lake/river water for cooling. The cylinder walls would be way too thin.
Here are what FRPP says about the block and they should know!!
M-6010-A460* 10.322' Deck Height
• Cast iron block with 4-bolt main caps on journals 2, 3, and 4
• Nodular iron main caps
• Can be bored/stroked to produce 598 cu. in.
• Siamese cylinder bores
• Bore range from 4.360-4.600'
• Wet sump oiling design
• 3.000' main journal diameter
• Weighs approximately 290 lbs.
• High-strength block for professional competition (Circle Track, Drag Racing)
Only 598ci is max. anything more would be asking for disaster.
And it is cast iron, not aluminum.
Jimmy
Here are what FRPP says about the block and they should know!!
M-6010-A460* 10.322' Deck Height
• Cast iron block with 4-bolt main caps on journals 2, 3, and 4
• Nodular iron main caps
• Can be bored/stroked to produce 598 cu. in.
• Siamese cylinder bores
• Bore range from 4.360-4.600'
• Wet sump oiling design
• 3.000' main journal diameter
• Weighs approximately 290 lbs.
• High-strength block for professional competition (Circle Track, Drag Racing)
Only 598ci is max. anything more would be asking for disaster.
And it is cast iron, not aluminum.
Jimmy
Posting Guru
Joined: Mar 2003
Posts: 1,253
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From: spartanburg, SC
http://78-79bronco.com/NewRacingBuildup1.html
click on "notes from Hank's engine builder", 627 ci aluminum block.
click on "notes from Hank's engine builder", 627 ci aluminum block.
Last edited by F150daniel; Jan 10, 2004 at 08:40 AM.