GT Performance Mods 2005+ Mustang GT Performance and Technical Information

I am personally building a new motor...

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Old Feb 26, 2006 | 06:29 AM
  #1  
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Ok, it looks like some good fortune is in my near future and Im looking at starting a long term short block building project that will be able to handle a good portion of boost.

How strong is the stock 4.6 block in our 05+ 'stangs and is there any real difference from the one of years past? When it comes down to it, I would love to be able to reuse all the accessories and whatnot and not have to "convert" over to anything else that isnt stock appearing 4.6 3v platform stuff.

I am currently interested in going with the larger bore route cause there is simply NO REPLACEMENT FOR DISPLACEMENT. [img]style_emoticons/<#EMO_DIR#>/smile.gif[/img] I dont want to do anything too extreme cause I want to remain as reliable and long lasting as possible.

Now, if I can safely produce upwards of 600rwhp with the stock block I feel fine with just sticking with that. But, if its strength really is in question at that point is there just no other option than the Italian Teksid?

The only thing I know that needs to be worked on is the bottom end and Im just sticking with that project for now so please dont get into head work and cams just yet. Thats an entirely different project for another year or two down the road.

And yes, I will be building this up myself because I am certified capable to do so. I just wont be doing any of the machining cause I dont have access to such devices anymore.

Please get me in the right direction. [img]style_emoticons/<#EMO_DIR#>/thumb.gif[/img]

-Dan
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Old Feb 26, 2006 | 06:42 AM
  #2  
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You should keep an eye on don_w's posts/thread as he to, unfortunately, is in the process of (re)building his motor.

Just curious, are you staying on the juice or going blown?
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Old Feb 26, 2006 | 01:21 PM
  #3  
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I dont want to watch another thead, I would like to have the answers here.
I know a few around here can provide their knowledge and everyone would appreciate it.

And yes, I have read through the thread and its mostly "Im sorry you blew your wad" statements...

Im going both routes actually, a nitrous chaser is just more fun, expecially when its direct port.

-Dan
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Old Feb 26, 2006 | 03:35 PM
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From: New Carlisle, Ohio (20 miles north of Dayton)
<div class='quotetop'>QUOTE(Cleveland @ February 26, 2006, 3:24 PM) Quoted post</div><div class='quotemain'>
I dont want to watch another thead, I would like to have the answers here.
I know a few around here can provide their knowledge and everyone would appreciate it.

And yes, I have read through the thread and its mostly "Im sorry you blew your wad" statements...

Im going both routes actually, a nitrous chaser is just more fun, expecially when its direct port.

-Dan
[/b][/quote]



Hey Dan,
Well, I will offer you the opinion of a 52 yr. old motor head who has had experience with ford pushrod and mod motors. Stroker motors are great for about 20k in mileage before they wear out. Unless you have 15k to get a 5.0 Ford cammer motor and the electronics to go with it for only 400 hp than that is out. For my money I would investigate what it would take to put a 5.4 mod motor with supercharger in the 05. I presently own a 70 Mach 1 with a 351 Cleveland, had a 428 SCJ 69 Mach 1 and a 302 HIPO 68 Vert. But none of them would drive and out run this 05 with my present mods. I know you can put a 5.4 with supercharger in these 05's for way less than a GT500 and that's including a 6 speed.
Scott [img]style_emoticons/<#EMO_DIR#>/thumb.gif[/img]
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Old Feb 26, 2006 | 04:42 PM
  #5  
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When I talked to Boss 330 Racing about building up my stock block I asked him to build it to handle 800hp. He didn't think that number would be a problem.
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Old Feb 27, 2006 | 12:23 PM
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Does anyone know the general area where the block becomes unsafe, such as 450rwhp (ish) for the internals?
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Old Feb 27, 2006 | 12:42 PM
  #7  
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<div class='quotetop'>QUOTE(Sonic Brew @ February 27, 2006, 2:26 PM) Quoted post</div><div class='quotemain'>
Does anyone know the general area where the block becomes unsafe, such as 450rwhp (ish) for the internals?
[/b][/quote]


I believe I have read were it is generally good to around 600 hp. The block not the stock guts.
Scott
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Old Feb 27, 2006 | 01:19 PM
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alrighty... to build something a bit more bullet-proof would require a cobra or teksid from what year then?

The "Cobra" Steel crank is already the shaft of choice and its going to be an I-beam (forged) rod that will make up the new rotating assembly. The last piece of the puzzle are the pistons. Like I posted earlier, if I can go to a "big bore" piston setup and still maintain high mileage I will go that route.

When it comes to strokers in a modular I already knew that was a bad idea. Now... for the pushrod blocks, its not as much of an issue. I still have that 385 Stroker Cleveland sitting begind me. [img]style_emoticons/<#EMO_DIR#>/thumb.gif[/img]

And if it really isnt too much trouble I suppose a 5.4 block wouldnt hurt. I am not willing to swap out ECUs to do it though.

-Dan
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Old Feb 27, 2006 | 01:54 PM
  #9  
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<div class='quotetop'>QUOTE(Cleveland @ February 27, 2006, 2:22 PM) Quoted post</div><div class='quotemain'>
alrighty... to build something a bit more bullet-proof would require a cobra or teksid from what year then?

The "Cobra" Steel crank is already the shaft of choice and its going to be an I-beam (forged) rod that will make up the new rotating assembly. The last piece of the puzzle are the pistons. Like I posted earlier, if I can go to a "big bore" piston setup and still maintain high mileage I will go that route.

When it comes to strokers in a modular I already knew that was a bad idea. Now... for the pushrod blocks, its not as much of an issue. I still have that 385 Stroker Cleveland sitting begind me. [img]style_emoticons/<#EMO_DIR#>/thumb.gif[/img]

And if it really isnt too much trouble I suppose a 5.4 block wouldnt hurt. I am not willing to swap out ECUs to do it though.

-Dan
[/b][/quote]


All Mark VIIIs use the Teksid and IIRC 96-98 Cobras.

<div class='quotetop'>QUOTE(70MACH1OWNER @ February 27, 2006, 1:45 PM) Quoted post</div><div class='quotemain'>
I believe I have read were it is generally good to around 600 hp. The block not the stock guts.
Scott
[/b][/quote]

See post #5.
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Old Feb 27, 2006 | 02:00 PM
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Dan... whatever you do, just please don't bid against me (bad05gt) on this Teksid block on e-Bay. I really, really need a block ASAP. [img]style_emoticons/<#EMO_DIR#>/crying.gif[/img]
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Old Feb 27, 2006 | 02:27 PM
  #11  
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I dont have any extra cash right now to begin the project but I will have a new engine before the year is up.

By the way, I get great prices and availability at the new Veracom Ford in Burlingame. Its great to have a dealer like 2 miles away from me now and thats where I believe I will be going back to work.

The more options the better, I want a pain free swap. I believe to accomplish that I will be forcing myself to use a 4.6 again. I dont want to have to mess around with a bunch of custom parts again cause I did that with my old Cleveland and I ended up spending about $10,000 to complete it. Its built for 500hp NA and can handle 800 with n2o so its not like I didnt get a return on it in terms of hp/dollar. [img]style_emoticons/<#EMO_DIR#>/thumb.gif[/img]

-Dan
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Old Feb 27, 2006 | 02:51 PM
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<div class='quotetop'>QUOTE(don_w @ February 27, 2006, 4:03 PM) Quoted post</div><div class='quotemain'>
Dan... whatever you do, just please don't bid against me (bad05gt) on this Teksid block on e-Bay. I really, really need a block ASAP. [img]style_emoticons/<#EMO_DIR#>/crying.gif[/img]
[/b][/quote]

that depends if the sntmods user on the bid list is the same as the one on his license plate hehe [img]style_emoticons/<#EMO_DIR#>/headscratch.gif[/img]

edit: LOL @ the next two comments [img]style_emoticons/<#EMO_DIR#>/icon_mrgreen.gif[/img]
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Old Feb 27, 2006 | 03:03 PM
  #13  
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[img]style_emoticons/<#EMO_DIR#>/biggrinjester.gif[/img] I wont bid again, I'll let you have this one Don. [img]style_emoticons/<#EMO_DIR#>/icon_mrgreen.gif[/img]

-Dan
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Old Feb 27, 2006 | 03:21 PM
  #14  
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<div class='quotetop'>QUOTE(Cleveland @ February 27, 2006, 2:06 PM) Quoted post</div><div class='quotemain'>
[img]style_emoticons/<#EMO_DIR#>/biggrinjester.gif[/img] I wont bid again, I'll let you have this one Don. [img]style_emoticons/<#EMO_DIR#>/icon_mrgreen.gif[/img]

-Dan
[/b][/quote]
Butthead...


[img]style_emoticons/<#EMO_DIR#>/biggrinjester.gif[/img]


.
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Old Feb 27, 2006 | 07:48 PM
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don dont you know not to bid until the last minute
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Old Feb 27, 2006 | 07:54 PM
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<div class='quotetop'>QUOTE(ren274u @ February 27, 2006, 6:51 PM) Quoted post</div><div class='quotemain'>
don dont you know not to bid until the last minute
[/b][/quote]
Doesn't matter now... I got one somewhere else today. [img]style_emoticons/<#EMO_DIR#>/thumb.gif[/img]
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Old Feb 27, 2006 | 09:22 PM
  #17  
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Dan why don't you just play it safe and purchase a GT 500? No dirt under fingernails, busted knuckles or bad language. I am just about to hop off the fence. You could put loud pipes on it and continue to terrorize the neighborhood and rice jockeys.
I wish we could put in a simple four wire setup. Coil, tachometer, alternator and starter wires. Things were so easy back then.
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Old Feb 27, 2006 | 10:55 PM
  #18  
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Heh, even with my "hook-ups" within the industry there is no way I would be able to afford a $60k+ car right now. Im all about affording something I really want/love but thats steep, Im 23 and I should probably look for my own place before I do that. I am looking at getting a Challenger when it becomes available though. As much of a Mustang lover as I am, that Dodge would be my fun weekend driver. I wonder if I would leave it stock....

Anyways, anybody else have anything else to add?

Rods, pistons, blah blah?

-Dan
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Old Feb 28, 2006 | 06:03 AM
  #19  
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Dan, if you are only planning on going in a straight line, may I suggest using the bottom end from a terminator motor. It has everything you are looking for, forged crank, strong rods, forged pistons. If the iron block doesn't float your boat, all those goodies should fit into an aluminum block.
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Old Feb 28, 2006 | 01:29 PM
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Here is my plan...I plan to keep the 05 block as all the knowledgeable people I have spoke with say it should have no problem handling around 800 HP...I'm not going to go with a stroker kit do to the added stress it causes but may slightly increase the bore size, 302 ci perhaps. I am going to get a Cobra Crank, Manley H-Beam Rods, J&E pistons w/ proper valve reliefs (keep stock compression) and Boss 330 head's w/ Comp Cams. The rotating assembly will be balanced and blueprinted and everything bolted back up using ARP hardware. I should be able to swap pulley's on my Saleen at that point and make around 650 RWHP. To chase that I will re-in list my Zex system and squeeze a 150 shot on top of that for an 800 HP Pony. [img]style_emoticons/<#EMO_DIR#>/thumb.gif[/img]

Before all that everything else will be "bullet proofed" such as the drivetrain, clutch, brakes and fuel system...
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