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Old 03-31-2011, 08:12 PM   #1
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Need help custom engine

I dad cracked the head on my 96 gt and I've already rebuilt it twice I was thinking about custom building a 5.4 and stripping down my block what would I need? My goal is to be beast on the street for a while then a little more modifying to do whilles on the tracks
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Old 03-31-2011, 08:13 PM   #2
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Quote:
Originally Posted by Drodriguez2009
I dad cracked the head on my 96 gt and I've already rebuilt it twice I was thinking about custom building a 5.4 and stripping down my block what would I need? My goal is to be beast on the street for a while then a little more modifying to do whilles on the tracks
The 5.4 is a torque monster,I suggest 4v heads and really make that a mean street machine

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Old 03-31-2011, 08:21 PM   #3
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One of the main reasons why I want to do it is it's different basicly I want a lightning swap but I want to build it from the ground up
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Old 03-31-2011, 08:23 PM   #4
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Originally Posted by Drodriguez2009
One of the main reasons why I want to do it is it's different basicly I want a lightning swap but I want to build it from the ground up
Well it's a great idea...and the 4.6 is lacking in bottom end torque. The 5.4 doesn't have that problem and these mod motors rev just awesome. It still amazes me when 3000 rpms hit how well it pulls

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Old 03-31-2011, 08:25 PM   #5
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I can use my 4.6 block right?
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Old 03-31-2011, 08:28 PM   #6
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Originally Posted by Drodriguez2009
I can use my 4.6 block right?
For?

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Old 03-31-2011, 08:29 PM   #7
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The build the 4.6 and 5.4 block are the same arnt they?
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Old 03-31-2011, 08:32 PM   #8
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Originally Posted by Drodriguez2009
The build the 4.6 and 5.4 block are the same arnt they?
Again I have read conflicting info. From what I have gathered the 5.4 deck height is taller,not by much but a little. Are you planning on punching out a 4.6 for more bore or what options have you explored

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Old 03-31-2011, 08:43 PM   #9
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Just an idea that struck me today along the build ima build everything I can to proformamce
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Old 03-31-2011, 08:51 PM   #10
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I had the same problem as you with my 302 blew it twice. So I custom made a 347 and now have it under boost and I have not had a problem with it at all. The complete build cost me nearly 18000 but in my mind well worth it.
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Old 03-31-2011, 08:57 PM   #11
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Originally Posted by Brett Greene
I had the same problem as you with my 302 blew it twice. So I custom made a 347 and now have it under boost and I have not had a problem with it at all. The complete build cost me nearly 18000 but in my mind well worth it.
Well if it don't grenade yup. And honestly that's what you paid for. A well built motor made to perform under stress. I bet you don't regret a dime spent

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Old 03-31-2011, 09:06 PM   #12
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Well if it don't grenade yup. And honestly that's what you paid for. A well built motor made to perform under stress. I bet you don't regret a dime spent

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Lol I'm only running 12 psi but I have put about 9000 miles on the motor and haven't had a problem. But yea I built it to perform under heavy stress. I will never get my money back but I don't ever intend on selling it lol
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Old 03-31-2011, 09:18 PM   #13
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Originally Posted by Brett Greene

Lol I'm only running 12 psi but I have put about 9000 miles on the motor and haven't had a problem. But yea I built it to perform under heavy stress. I will never get my money back but I don't ever intend on selling it lol
When you do something like that it has nothing to do with re-sale. It's for the love of driving it.

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Old 04-01-2011, 01:26 AM   #14
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So what year block should I get
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Old 04-01-2011, 01:36 AM   #15
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Here's the story I bought it blown rebuilt everything then I was doing a fluid flush my dad didn't know I went to the store came back my car was gone he loved my car the bottom radiator hose was disconnected he didn't notice and crack the head it was a major crack you could pull a rubber band through cylinder 1 and 3
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Old 04-01-2011, 01:50 AM   #16
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Originally Posted by Drodriguez2009
Here's the story I bought it blown rebuilt everything then I was doing a fluid flush my dad didn't know I went to the store came back my car was gone he loved my car the bottom radiator hose was disconnected he didn't notice and crack the head it was a major crack you could pull a rubber band through cylinder 1 and 3
Ouch

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Old 04-01-2011, 02:17 AM   #17
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Yea broke my heart
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Old 04-01-2011, 03:22 AM   #18
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Yea broke my heart
Well I guess. If you want to turn a negative into a positive it gives you a chance to build a brand new no miles motor. With all the bells and whistles. I have since been looking up info on the teskid blocks and whomever posted that the iron blocks were stronger than teskid were mistaken. Mmr builds mod motors and from what I have gathered from them the teskid block is the most desirable 4.6 block. Apparently they can handle 1200 without issue. Mmr also confirmed my previous thoughts and wrote me back saying 800 hp in the iron blocks was maximum. Apparently something to due with how aluminum dissipates heat. I am glad a member here disagreed with me so I could inquire further. Now I have info from a reputable engine builder. And the deck height on a 5.4 is taller by an inch. But 4v heads will bolt on

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Old 04-01-2011, 05:07 AM   #19
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The question is as always, how much do you want to spend? I am sure there is not a full machine shop in your garage. I would recommend buying of getting built professionally a rotating assembly. Possibly stroker motor. To properly build a race motor or even just a hot rod motor, you really need a pro to do it. I can build them all day long but there is no way I have the experience and know how of an engine builder. That's all they do. Build motors. Best advice I can give you. Even forged internals will only get you so far. How are you gonna balance it?
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Old 04-01-2011, 08:22 AM   #20
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Originally Posted by Alscobra
The question is as always, how much do you want to spend? I am sure there is not a full machine shop in your garage. I would recommend buying of getting built professionally a rotating assembly. Possibly stroker motor. To properly build a race motor or even just a hot rod motor, you really need a pro to do it. I can build them all day long but there is no way I have the experience and know how of an engine builder. That's all they do. Build motors. Best advice I can give you. Even forged internals will only get you so far. How are you gonna balance it?
Plus 1
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Old 04-01-2011, 11:41 AM   #21
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Re: Need help custom engine

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Originally Posted by Everett View Post
Well I guess. If you want to turn a negative into a positive it gives you a chance to build a brand new no miles motor. With all the bells and whistles. I have since been looking up info on the teskid blocks and whomever posted that the iron blocks were stronger than teskid were mistaken. Mmr builds mod motors and from what I have gathered from them the teskid block is the most desirable 4.6 block. Apparently they can handle 1200 without issue. Mmr also confirmed my previous thoughts and wrote me back saying 800 hp in the iron blocks was maximum. Apparently something to due with how aluminum dissipates heat. I am glad a member here disagreed with me so I could inquire further. Now I have info from a reputable engine builder. And the deck height on a 5.4 is taller by an inch. But 4v heads will bolt on

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that is bull****....do you not know cobras come with the same iron block and there are 1000s of them makeing over 1000 to the tires and a but load with over 700+ to the tires which will equal over 800 at the crank?

next time you do research email people that acutally know **** and not mmr lol thank you

people want teskid blocks in realty to just save some weight off the front..but the alumn block can still handle 1200hp with no problems also..

a gt500 block is an iron block and they make 800 to the tires all day long with just a blower change and a little fuel...but i guess i just know nothing
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Old 04-01-2011, 12:20 PM   #22
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What About a ford gt superbad engine? Duel. Fuel in jectors?
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Old 04-01-2011, 12:31 PM   #23
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Re: Need help custom engine

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What About a ford gt superbad engine? Duel. Fuel in jectors?
if you have 30k to get it....then do it... you cant beat that motor with the dry sump oil system!!!!!!

also to answer your questions the 5.4 block is taller...your build depends on your budget...i would just do a 4.6 with 11.7 compression,trickflow heads,custom cams,intake..and that can easily spin 7000rpms and you can save money by useing your stock crank..just get some nice light ibeam rods and some good pistons...
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Old 04-01-2011, 12:48 PM   #24
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Not an actual gt engine just like a build of my own
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Old 04-01-2011, 12:53 PM   #25
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The other day I was looking at the heads I found a new pair for 1200 cams and all and the manifold for 1100 with everything but the supercharger
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Old 04-01-2011, 12:54 PM   #26
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Re: Need help custom engine

it will run 20k+ to build it dude
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Old 04-01-2011, 01:18 PM   #27
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This isn't something like o plan to have done in like a month It's going to take time even if I sell my mustang shell fox's are a dime a dozen
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Old 04-03-2011, 01:22 PM   #28
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Pops just lost his job so I'm the man of the house:/ my projects are at a halt
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Old 04-03-2011, 01:31 PM   #29
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Pops just lost his job so I'm the man of the house:/ my projects are at a halt
Sorry to hear that. When you get back to it. Full trick flow set up will not let you down. Heads/ intake/ cam.
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Old 04-04-2011, 01:09 AM   #30
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If I want to get it running I'll have to buy a stock motor or a,a,a,a,a,a v6 X(
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Old 04-04-2011, 08:16 AM   #31
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Pops just lost his job so I'm the man of the house:/ my projects are at a halt
I am very sorry to hear that. I hope something comes up quickly for him
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Old 04-04-2011, 09:15 PM   #32
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I still have my 84 but I love how my 96 looks
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