Opinion time--460 "build"
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Tuned
Joined: Aug 2002
Posts: 361
Likes: 8
From: Irvington USA
Opinion time--460 "build"
I am going to be dropping in a 460 in my project here soon. (within the next 2 weeks) I am going to buy a stock long block, reman of course. I am going to do a timing set upgrade. Now my dilemma is, whether to put in a cam ( Comp X4256H) or upgrade the heads to a set of D0VE-C. Let your voice be heard! I am only going to do one (right now), so no votes for both will be counted. 
Tuned
Joined: Dec 2009
Posts: 448
Likes: 31
From: Park City, Utah
My understanding is the D0VE heads have a smaller combustion chamber and therefore will raise your compression ratio (assuming all else remains the same).
So depending on your objectives for the truck and/or the engine you may want to use different pistons to lower your compression ratio.
My take is get the right pistons and head combination now or you'll have a bigger and more expensive upgrade later.
I understand the "can't vote for both" thing but with either option if you later do the other it will cost you more money. For example if you later install a different cam you'll have to replace the lifters too. I'm not trying to be rude but it would be easier and cheaper in the long run to do it right the first time.
So depending on your objectives for the truck and/or the engine you may want to use different pistons to lower your compression ratio.
My take is get the right pistons and head combination now or you'll have a bigger and more expensive upgrade later.
I understand the "can't vote for both" thing but with either option if you later do the other it will cost you more money. For example if you later install a different cam you'll have to replace the lifters too. I'm not trying to be rude but it would be easier and cheaper in the long run to do it right the first time.
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Tuned
Joined: Aug 2002
Posts: 361
Likes: 8
From: Irvington USA
I understand the "can't vote for both" thing but with either option if you later do the other it will cost you more money. For example if you later install a different cam you'll have to replace the lifters too. I'm not trying to be rude but it would be easier and cheaper in the long run to do it right the first time.
On second thought, that's not true....I would have the cost of various gaskets involved, so I guess you're right. Now, where did I plant that money tree?
Postmaster
Joined: Nov 2011
Posts: 2,553
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Some specs on the short block you would be using would help. It is a reman block to replace which engine? What heads would have originally been used on that engine? compression and piston height?
Rule of thumb, you can run 9:1 compression with iron heads and open chamber and mild cam... maybe a bit more. With sustained heavy load like towing and heat buildup, maybe a bit less. If you get into detonation and pinging no fun.
Rule of thumb, you can run 9:1 compression with iron heads and open chamber and mild cam... maybe a bit more. With sustained heavy load like towing and heat buildup, maybe a bit less. If you get into detonation and pinging no fun.
Lead Driver
Joined: Mar 2010
Posts: 5,250
Likes: 11
From: West Virginia
I'd buy a mild cam and get the heads you have ported and polished. Do it once and do it right.
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Tuned
Joined: Aug 2002
Posts: 361
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From: Irvington USA
Gonna buy long block from Napa.
Will be D3VE heads that will be replaced. '72-'78 Style long block. I was planning on replacing/modifying from there. I don't want to custom build a motor, even though I know it would be better. I'm just trying to improve torque a little here.
Will be D3VE heads that will be replaced. '72-'78 Style long block. I was planning on replacing/modifying from there. I don't want to custom build a motor, even though I know it would be better. I'm just trying to improve torque a little here.
Last edited by 79_effie; Apr 23, 2012 at 08:15 PM. Reason: Bad link/removed link
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Fleet Owner
Joined: Dec 2009
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From: NorCal
Horsepower TV on Spike did a 460 budget build in 2009. The video is in their archives and viewable and the guys on Trucks! installed a remanned 460 in their Project "Das Bronco". It's worth your review IMO.
Go to their website (www.powerblocktv.com) and check it out.
EDIT: Here is the episode: http://www.powerblocktv.com/player/s..._num=HP2009-04
Go to their website (www.powerblocktv.com) and check it out.
EDIT: Here is the episode: http://www.powerblocktv.com/player/s..._num=HP2009-04
Postmaster
Joined: Nov 2011
Posts: 2,553
Likes: 10
That longblock has 36 months unlimited mileage warranty. Pretty good deal. If you get into it much, no warranty I think. Personally I would use it as is or at most put a mild cam in it.
If you want something much different, start from scratch with a good engine builder. You won't match the cost or warranty but can get more engine.
If you want something much different, start from scratch with a good engine builder. You won't match the cost or warranty but can get more engine.
Junior User
Joined: Mar 2010
Posts: 89
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From: sunnyside wa.98944
This cam will work with 8to1 compression and no more i know iam taking one out of my truck now.I have about 9.5 to 1 it all my high torque starter can do to tune it over to much cylinder pressure and a lot of pinging.so be carefull if you ever put thoses dove head on with that cam you will be in trouble .Go bigger with am like comp 34-235-4 then maybe down the road put the dove heads on but keep an eye on that compression like hasteranger said do it right the first time
Thread Starter
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Tuned
Joined: Aug 2002
Posts: 361
Likes: 8
From: Irvington USA
Horsepower TV on Spike did a 460 budget build in 2009. The video is in their archives and viewable and the guys on Trucks! installed a remanned 460 in their Project "Das Bronco". It's worth your review IMO.
Go to their website (www.powerblocktv.com) and check it out.
EDIT: Here is the episode: PowerBlockTV - Video
Go to their website (www.powerblocktv.com) and check it out.
EDIT: Here is the episode: PowerBlockTV - Video
Thread Starter
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Tuned
Joined: Aug 2002
Posts: 361
Likes: 8
From: Irvington USA
This cam will work with 8to1 compression and no more i know iam taking one out of my truck now.I have about 9.5 to 1 it all my high torque starter can do to tune it over to much cylinder pressure and a lot of pinging.so be carefull if you ever put thoses dove head on with that cam you will be in trouble .Go bigger with am like comp 34-235-4 then maybe down the road put the dove heads on but keep an eye on that compression like hasteranger said do it right the first time
Thanks to all for the replies. I think I am going with the cam and lifters i mentioned and stop there. I just want a cruiser, not looking for big power here. I think this is the ticket for me.
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Tuned
Joined: Aug 2002
Posts: 361
Likes: 8
From: Irvington USA
My local Napa priced it to me at $1990.00 with exchange. There are less expensive ones if you hunt, but I like buying local in case of any problems.