GT Performance Mods 2005+ Mustang GT Performance and Technical Information

Time for a Shortblock

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Old 11/28/05, 08:20 PM
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Originally posted by 2005RedGT@November 15, 2005, 8:06 PM
$300+ towing, $1600 labor, $3500 shortblock, $850 for the port & polished heads, $1200 new block (sotck is broken), etc, etc. You can the completed breakdown at: http://www.mymustangpage.com/2005redgt/page32

You took your enigne out, I barely have 30 minutes free a day from my business to do any work to my car - so the extra labor cost, etc. $1600 is worth it for me.

-Bryan
I am sure you ran the numbers on the cost of repair opposed to replacing it with a larger motor. I am wondering why you did not choose this route. I tried your site tonight and could not get through.
Old 11/29/05, 04:06 AM
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Yes MyMustangPage.com was down off and on yesterday (the SWBell Service for ya).

I opted not to replace the engine with a larger / better motor for one main reason: I want to keep a 281, 3v 2005 Mustang engine in the car. It will be modified with ported heads, cam, forged bottom end, but it will still be a 05 mustang 3v motor It woudl have been cheaper to toss out the 281 and 5 speed auto and put a 351 etc with a c4, but heck - I want the 5 speed auto and even the ability to say "I have a 3v 281 making xxx hp and xxx qtr mile trap".

ego i guess

-BrYan
Old 11/29/05, 10:33 AM
  #123  
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Originally posted by 2005RedGT@November 29, 2005, 4:09 AM
Yes MyMustangPage.com was down off and on yesterday (the SWBell Service for ya).

I opted not to replace the engine with a larger / better motor for one main reason: I want to keep a 281, 3v 2005 Mustang engine in the car. It will be modified with ported heads, cam, forged bottom end, but it will still be a 05 mustang 3v motor It woudl have been cheaper to toss out the 281 and 5 speed auto and put a 351 etc with a c4, but heck - I want the 5 speed auto and even the ability to say "I have a 3v 281 making xxx hp and xxx qtr mile trap".

ego i guess

-BrYan
Hey B-
I am with you.. I will be building in Jan...
I have not blown mine yet. But i will be building the Shortblock on the side. I will be going with the Alum block rather than a iron(cobra block)...I think the Alum block is 180lbs lighter?
I will be doing a stroker kit,ported heads,cam,valve spings,forged bottem end(cobra crank,Manley Pistons and rings,ARP mainstuds)....
Good luck to you B...
Adam From ST MOTORSPORTS should be starting mine Jan 3rd or so......
Old 11/29/05, 07:06 PM
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Originally posted by smp@November 29, 2005, 9:36 AM
Hey B-
I am with you.. I will be building in Jan...
I have not blown mine yet. But i will be building the Shortblock on the side. I will be going with the Alum block rather than a iron(cobra block)...I think the Alum block is 180lbs lighter?
I will be doing a stroker kit,ported heads,cam,valve spings,forged bottem end(cobra crank,Manley Pistons and rings,ARP mainstuds)....
Good luck to you B...
Adam From ST MOTORSPORTS should be starting mine Jan 3rd or so......
I'm jealous!!
Old 11/29/05, 07:29 PM
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Just thought I'd generate a little bit of saliva. It's a 4V, but it looks purdy. http://forums.modulardepot.com/showthread....&threadid=74625
Old 11/29/05, 07:36 PM
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Originally posted by 2005RedGT@November 29, 2005, 5:09 AM
Yes MyMustangPage.com was down off and on yesterday (the SWBell Service for ya).

I opted not to replace the engine with a larger / better motor for one main reason: I want to keep a 281, 3v 2005 Mustang engine in the car. It will be modified with ported heads, cam, forged bottom end, but it will still be a 05 mustang 3v motor It woudl have been cheaper to toss out the 281 and 5 speed auto and put a 351 etc with a c4, but heck - I want the 5 speed auto and even the ability to say "I have a 3v 281 making xxx hp and xxx qtr mile trap".

ego i guess

-BrYan
OK Should I blow mine I will go in the other direction with more deplacement and forged lower but then I do not run a blower and have no plans to add one at this time.
Old 11/29/05, 10:23 PM
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Originally posted by Blazing Saddles@November 29, 2005, 8:55 PM
I thought about a larger displacement motor until I saw John Mihovetz lay down a 6.80 @ 205.00 with a 281 inch twin turbo car at FFW. That run changed my mind.
I saw Mihovetz run a 6.711 at the NHRA event in Vegas last month. Yikes!! :worship: He qualified #1 in Comp Eliminator with that 4.6L turbo '02 Cougar. Unfortunately, he went red in the 1st round.
Old 11/30/05, 09:51 AM
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Originally posted by 169stang@November 29, 2005, 8:32 PM
Just thought I'd generate a little bit of saliva. It's a 4V, but it looks purdy. http://forums.modulardepot.com/showthread....&threadid=74625
That is the most awesome looking mod motor I have ever seen! What can that guy do with a 3V?
Old 11/30/05, 10:19 AM
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Bryan,

Thanks for the update on the failure order. I guess it paints a fairly clean picture that if you want boost (more than 5 or 6 pounds anyway), you better pull it apart and forge up the bottom end first.

How did the crank stand up? I've heard different reports on the strength of the stock cast crank.
Old 11/30/05, 10:52 AM
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Lets not jump to any conclusions just yet. It's only one engine, so you could hardly say it is gospel. Perhaps he got some bad gas or something... You never know. Lets wait until it becomes common to start laying out the rules.
Old 11/30/05, 11:58 AM
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The crank held up fine and Beau is correct, I am only 1 (that we know of) that this has happened to. He is also right it could have been bad gas, could have been lack of fuel, dirt in the fuel, etc. However, based on what other that have experience in the area with the 2v and the Lightnings, it looks to be the Ford rods mixed with heat and presure caused by the boost that lead to the break of the rod itself.

-Bryan
Old 11/30/05, 02:20 PM
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Originally posted by 88blownstang@November 30, 2005, 10:54 AM
That is the most awesome looking mod motor I have ever seen! What can that guy do with a 3V?
Wonders! He's building mine right now. I should have it back next week. Before the recent changes to that motor in that link, his cobra was running 10.08's or so and short shifting to keep out of the 9's. He says the car would probably run 9.8's/9.9's. With the new setup, solid 9.8's. Al can work on any motor from a NHRA pro stock bike motor, 2V, 3V, 4V and so on. He has a couple 3V's that he's working on in his shop besides mine.
Old 11/30/05, 03:00 PM
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Originally posted by 169stang@November 30, 2005, 3:23 PM
He has a couple 3V's that he's working on in his shop besides mine.
Dave, are any of those just a simple bottom-end build-up for boost and street use only or more for drag racing like yours?

Do you have to make appt to see him? I would like to know what kind of work I would need for my desired set-up and the costs I would be looking at. Based off of that I would know how much I need to save and for how long.

Thanks,
C
Old 11/30/05, 03:33 PM
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I believe he's building one up for N/A and one for a Novi 2000. I'm not sure about the other. Of course mine is with a turbo in mind. He can build it to whatever use you want. No appt. needed to see him. http://www.boss330racing.com/ He's a firefighter as well, so sometimes he's at the firehouse and sometimes at his shop. The key with him is knowing the direction you want to go. He's pretty busy as is and I can imagine he doesn't have much time for indecisiveness. That's just my opinion though. He's in Orlando right now and will be back on Monday.
Old 12/1/05, 03:26 PM
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Originally posted by 169stang@November 30, 2005, 4:36 PM
I believe he's building one up for N/A and one for a Novi 2000. I'm not sure about the other. Of course mine is with a turbo in mind. He can build it to whatever use you want. No appt. needed to see him. http://www.boss330racing.com/ He's a firefighter as well, so sometimes he's at the firehouse and sometimes at his shop. The key with him is knowing the direction you want to go. He's pretty busy as is and I can imagine he doesn't have much time for indecisiveness. That's just my opinion though. He's in Orlando right now and will be back on Monday.
I know, I will not waste his time until I know exactly which direction I want to go in. I just want to get some kind of money figure in mind. Is he is building the N/A motor for 1/4 mile use? Something like cams/ported heads/higher compression pistons? I don't know if that would be good for strictly street use or not. I just have a lot of questions and want to narrow it down a little. Thanks for the advise.
Old 12/1/05, 04:36 PM
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I'm not exactly sure. I'll be seeing him this weekend and inquire about it.
Old 12/2/05, 12:32 PM
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Update for everyone:

Houston Performance has completed the block work, with the new forged rods, crank, etc and 9:1 pistons. They have begun the work on the porting of the heads and the regrind of the cam (for 7500 power band). I hope to have it all back together by next Friday and tuned and ready by mid Dec.

-Bryan
Old 12/2/05, 08:38 PM
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Originally posted by 2005RedGT@December 2, 2005, 1:35 PM
Update for everyone:

Houston Performance has completed the block work, with the new forged rods, crank, etc and 9:1 pistons. They have begun the work on the porting of the heads and the regrind of the cam (for 7500 power band). I hope to have it all back together by next Friday and tuned and ready by mid Dec.

-Bryan
Sounds good. We will be looking forward to the report on your car. I was not aware you had a good engine builder in your area. I personally have no loyalty to the 4.6 motor and would switch in a flash
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