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I have a 91 Mus that I drive every day. It has 185,000 miles on it and drives well but does not perform well. I have done some things to the car (flowmaster, performance chip, k&n filter) but it still feels sluggish. I am thinking to have my engine rebuilt or a new one, the engine have never given me any problem, just normal things like tune-up. I need some helpful suggestion, my car does not run as good as it looks and I have friends with forign cars who won't "shut up". I know I have some pony car lovers out there. This pony needs some help. At this point i'm not sure if I should rebuild or buy a new engine. Which would be better?


[ March 26, 2002: Message edited by: Patrick Nalty ]

[ March 26, 2002: Message edited by: Patrick Nalty ]</p>
 

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At the least you are looking at a complete going through the motor with that kind of mileage. That is if your mechanically capable or otherwise get help with it. Or if you have deep pockets you can get a new crate motor
 

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Definetly start with a fresh engine, that horse is tired.
 

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daaaaammmmn boy, thats a lot of miles. Its probably resurectable, and i guarantee you if you rebuild it, youll get the performance back. But if you do have enough money, a crate motor would be cool.
 

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You could probably go either way depending on how much work you want to do. As stated buying a crate engine is the easiest way to go. If you go to a Ford Motorsport dealer they should offer a whole selection of engines for your application. You can go with a long block assembly which comes with heads and valvetrain, or a short block which is usually just assembled block with cam and timing chain. Short block is less expensive and you will still want to machine your old heads. Or if you want to do more work and don't mind the time you can strip down your engine and have everything machined, all bearings replaced, new cam, lifters, t. chain, oil pump, pick-up screen, valves, guides, springs, etc., etc., etc.. You might want to make a shopping list, total up cost of everything on your list, then throw in some more 'cause you always forget something. Then take that info and compare it to the cost of a crate engine. Also keep in mind that most crate engines come with warrenties. If you're planning on making something out of this car it's going to cost you some money no matter what you do, and it seams like that's what you want to do not just keep an old dog running. Good luck.
 
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