4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

is it worth it to bore the 4.6 out to a 5.0?

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Old 12-16-2010, 10:15 AM
  #11  
Dteal23
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if this is your DD just up your boost dude lol. no need to buy everything under the sun to try and get every single HP possible unless you are going ALL OUT and I mean ALL OUT.
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Old 12-16-2010, 10:16 AM
  #12  
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Originally Posted by tbirdscwd
When shooting for every last single hp when N/A, I'd say upgrading to a boss block would be worth the extra money. When you WILL be FI, then instead of spending all the money on an expensive *** block, just get a lil smaller pulley!!
right right...
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Old 12-16-2010, 11:39 AM
  #13  
dwtjr3
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im making a deal right now on a new DD so i am thinking my stang will not be a DD anymore(if the deal goes through). And it will be a supercharged block, so i probably will keep it a 4.6 and up the boost. It would be nice having a 5.0 but the price on everything goes up, the rotating assembly and everything goes up a good $600 according to MMR. I think i will keep the 4.6 thanks for all the advice guys.
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Old 12-16-2010, 11:55 AM
  #14  
oxfordgt
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You do know that MMR isn't the only company out there right? Most places destroy MMR prices.

Ford racing Boss block

MMR-$1699
Proline-$1299
Ford Racing-$1369
Roushyates-$1295
Summit-$1299

That was just a quick search. MMR says nothing about it being machined but if you pay an additional $400 for machining you're retarded.

Last edited by oxfordgt; 12-16-2010 at 12:14 PM.
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Old 12-16-2010, 03:23 PM
  #15  
dwtjr3
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I know they arent the only company out there, but i know that if i make it a 5.0 parts are going to be more expensive then a 4.6. And ill look at proline and roushyates, i havent heard of them
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Old 12-16-2010, 04:48 PM
  #16  
teej281
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I dont see why parts would be more expensive really. Is making the bore that much larger really gonna affect the price of the pistons? I really dont think it should add that much money. And MMR says their boss block for $1699 comes machined.
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Old 12-16-2010, 05:20 PM
  #17  
oxfordgt
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$400 for machining is ridiculous. I can have it machined local for $150.

5.0 would not cost much more seeing that the boss block used the same exact parts as a 4.6 with the only difference being larger pistons.
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Old 12-16-2010, 05:43 PM
  #18  
tbirdscwd
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Look into Proline, they make great engines
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Old 12-16-2010, 06:33 PM
  #19  
dwtjr3
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I already have a 4.6 block, I was looking at getting that machined. Ox you got yours machined for $150? What was done to it?
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Old 12-16-2010, 08:04 PM
  #20  
teej281
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If youre a member on svtp, you can get the block from Tousley Ford for $935.
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