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Unread 01-19-2010   #1 (permalink)
Jeffman2100 is offline Rookie


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Default 4.6 Engine Build up/ Overhaulin

Hi,

I am currently building funds to start upgrading my 04 GT 40th anniversary mustang. I will have a 4,000 to 5,000 dollar budget. Should I upgrade the existing motor with 30,000 miles on it? By upgrade I would like the car to be a good daily driver (in non winter months of course) turning out around 320 hp

OR

Do I buy a used motor from the junk yard and rebuild it put all the extras on it take a couple of years going thru it and then drop it in. Then I will have the existing motor to play with or sell. I am at a loss. The car isn't going anywhere I plan on keeping it forever.

Any thought would be appreciated.

Jeff
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Unread 01-19-2010   #2 (permalink)
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buy a block and build it up! so much better.. you have it out can still drive the car and when its dun drop it in and your out a car for lik 5hours or a day
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Unread 01-19-2010   #3 (permalink)
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the biggest thing, get out a pen and paper wright down what you want from the car, if you want a 2.6 blower or n/a. so as you biuld. your not going back and redoing stuff that cost allot. i say go buy a aluminum 4.6 and biuld it. you can get a few grand for your motor, with 30k you could sell for maybe 2,500. but figure out where you want ur car to end up and biuld up from that. but if all you want is 320whp than go get a blower and stop thier.
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Unread 01-19-2010   #4 (permalink)
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If all you want is around 320rwhp, I can give that to you N/A no sh*t. I know your running a 2 valve motor, but I see where you mentioned a boneyard purchase to build for a couple of years so you could keep driving your car. How does a 4 valve motor sound to you? I have a 96 SVT Cobra with a Tecksid Block, all forged internals custom ground cams head work done. Just too much to list, but 418rwhp, and 402rwtq. N/A. MPS Auto Salvage out of Winder Ga., deals in nothing but Mustangs from 1985 thru 2008. They deal with used parts, Salvaged Parts, and OEM Take off parts. You could even do a 3 Valve Motor. They also buy and trade, with the motor you have with 30K on it you could probably get a good deal on it. If you decide to go that route, their number is ( 800-236-1156 ) ask for Bill, or Derek. I've dealt with them in the past, and their parts are like new and I've never had any issues with them, Mike. SCT Tuner. P.S. Or you could buy a short or long block, from DSS Racing that would definetly reach your goal. Good luck with whichever way you choose to go, Mike.
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Unread 01-19-2010   #5 (permalink)
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If all you want is 320rwhp, forget building a block, and just buy the TFS heads, some custom cams, and do the rest of the bolt-ons, and you're there. The stock block is good to over 400rwhp, so why spend money you don't have to. Start doing bolt-ons first, and have some fun, then add the heads and cams when you run out of bolt-ons, and POW!!!!!!, with a great dynotune, you're over 320.
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Unread 01-19-2010   #6 (permalink)
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Thanks for all the great advice I would really like to build a motor. Anyone know of any vendors I would really like to deal with the same people on the whole build. That way I know what have into it from start to finish I realize this may not be pheasable. I am really interested in the aluminum block what does something like that cost?

Agian thanks to all that replied.
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Unread 01-19-2010   #7 (permalink)
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summit racing will have most everything you want or s&w racing has great deals on kits like a whole forged setup for 2k. and the aluminum motor you can get a new short block ive seen like 4k but you can get a used one off ebay for less than 1k. thein hotblock and bore it so you know you have a GOOD block. have fun with it man, and dont be afraid to call tech support at like summit, jegs, comp, most big name's have great tech guys. my pop's talked to tommy johnson him self when calling summit. good luck
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cams, and all basic bolt ons, arizen seats, cowl hood, and now my buckets got a hole in it (meaning im broke) but when i fix it ill have gears and some trany work
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Unread 01-20-2010   #8 (permalink)
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There's no need at all to build a motor for 320 horses like Bullitt said. A full bolt-on car with CAI, upper plenum, throttle body, OE headers, midpipe and a catback with a decent 93 octane tune will get you there.
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Unread 01-21-2010   #9 (permalink)
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modularheadshop.com ask for nick he built my motor and is a 4.6L expert he has worked on some serious projects and knows those motors inside and out he can build you a custom motor from start to finish for a really good price just tell him alan with the blue gt sent you and at least check out his website and see for yourself
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