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I have a stock 1990 5.0 and I want to know what is the maximum horsepower I can get out my mustang if I have 2k to put into it. It is a manual. Any suggestions on what to get?
 

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Caveman681 said:
I have a stock 1990 5.0 and I want to know what is the maximum horsepower I can get out my mustang if I have 2k to put into it. It is a manual. Any suggestions on what to get?
I would save up a little more and get the trickflow top end kit, or one of the other kits. Best bang for the buck IMO.
 

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Definitely a trick flow track heat or twisted wedge top end kit would be the best. For 2500ish bucks it will give you somewhere in the neighborhood of 360 hp, a huge improvement over the stock 225 hp.

But if you only have the 2 grand you could do a trick flow upper and lower intake, a set of headers, bigger throttle body, cold air intake, and I would invest in some rear end gears as well. They don't give any more hp, but te acceleration increase you get is immense for such a cheap part. All of that should be close to your 2 grand mark

---------- Post added at 09:12 PM ---------- Previous post was at 09:10 PM ----------

Oh and if you had any left I'd say an electric fan, frees up a little power and gives you a lot better cooling power for your soon to be beast :D
 

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Agree with both above statements. A trickflow top end kit has got to be one of the best upgrades you can do to the fox.
Most people I know are running trickflow, but I also like afr. Though I believe afr to be a bit more $$$ for roughly the same performance. So bang for da buck I gotta say trickflow :)
 

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I'm all advocating trick flow and I run edelbrock heads and intake lol

---------- Post added at 08:12 AM ---------- Previous post was at 08:11 AM ----------

Which is also a great setup but I believe for just a bolt on application the trick flow kit is cheaper and gives a couple more horses
 

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On3 turbo kit... IMHO. It will retain stock driveability as well as power when you want it
 

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That could give some power but forced induction can be a double edges sword on a stock motor. I would never put any kind of turbo or blower on t without at least a forged rotating assembly
 

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Blown347 said:
That could give some power but forced induction can be a double edges sword on a stock motor. I would never put any kind of turbo or blower on t without at least a forged rotating assembly
Lots of models had the forged pistons stock. And the crank will usually out last the block. With that said its still rough on the stock parts. It's best to upgrade.
 

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But within 2 grand worth of parts... And if he stays on 8-10 psi. It'll be fine. Provided you have a good tune!
 

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If ur going to drive it on te street a lot don't go any higher than 3.73s your rpms will stay consistently higher the more aggressive you go. I have 3.73s and already in 5th gear goin 65 my rpm sits around 2400
 

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On 3 turbo kit 1500 in summit

---------- Post added at 06:37 PM ---------- Previous post was at 06:36 PM ----------

Just get some good rods
 

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JayKranz said:
it comes with an On3 branded 70mm and I had two of them die within 300 miles on low boost.
Let me ask u a question when u got on it when u go to turn the car off did u let it cool down ?
 

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Let it cool down? Spin down, yes. The second one they sent me had shaft play out of the box. $300 turbos are garbage no matter how careful you are.
 

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That's what I ment lol and yeah I would use the good old hx35
 

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Haha yeah just checking. I thought so. I like the kit but I definitely understand why the other kits are so much more $.
 
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