Cheapest 500hp build

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Itsaiight5.0

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You can use the electronics but you will need a chip and a tune.

It’s a little bit of work to do the swap but for what your trying to do it’s well worth it.


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No it definitely does. What type of hp are we talking with a stock 351w?

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evilcw311

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No it definitely does. What type of hp are we talking with a stock 351w?

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If you just drop the stock motor in with no freshening or rebuild then you’ll be limited by the pistons. I can’t remember if those are cast or hyper’s but that’s your biggest limiter.

Roadkill pushes one to over 1k before it popped.


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Randall Garner

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You can build a 347 stroker for about 4500. Taking a 94-96 block. RHS 200’s really nice head that reasonable. Scat 9000 crank h beams, 2618 forged pistons. Cam in the range of 230-240 @ .050. @ 110LC .550/575 lift. Good intake. Will get ya right around 400-450 hP. If ya go a 351w swap. The exact same parts in a 393 swap will put you at or over the 500hp There are companies out there that sell long block within this price range. You’ll need the 351W lower. Can use the 302 timing cover, mounts, accessories, recommend getting engine balanced new harmonic balancer, and flexplate/flywheel. If your in the PNW. There’s are a couple of outstanding shops
 
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Itsaiight5.0

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no doubt I don't trust them canadians. They are all stoned running around with no guns talking about how much better their beer and bacon is....
Hahahaha you said it not me

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evilcw311

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no doubt I don't trust them canadians. They are all stoned running around with no guns talking about how much better their beer and bacon is....

You forgot syrup fawker!!!!!! They think they know maple syrup better than us!!!!!


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evilcw311

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no doubt I don't trust them canadians. They are all stoned running around with no guns talking about how much better their beer and bacon is....

You forgot syrup fawker!!!!!! They think they know maple syrup better than us!!!!!


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Bliss53bass

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May I suggest a 98 cobra engine? It has a theksid block which can handle a ton of power. Pistons and rods are a different story but if I remember correctly there good to about 500. That would be most of your money there but there are many guys with stock cobra engines and just a supercharger pushing 500-550 easy
 

evilcw311

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I don’t know why some people want to jump straight to mod motor suggestions. It’s just as easy and cost effective building a pushrod if you get the right stuff. This is why I mentioned the 351w. Plenty of people have done that swap and added a power adder and had great results.

Switching to a mod motor is a lot more cost involved than sticking to what your car is currently setup for.


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Bliss53bass

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I don’t know why some people want to jump straight to mod motor suggestions. It’s just as easy and cost effective building a pushrod if you get the right stuff. This is why I mentioned the 351w. Plenty of people have done that swap and added a power adder and had great results.

Switching to a mod motor is a lot more cost involved than sticking to what your car is currently setup for.


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If he’s running a sn95 the 4.6 DOHC cobra engine is a direct drop in. Stock mounts and everything. I have a 98 GT and with all the research I’ve done with this topic it seems to be the cheapest method to me? Please correct me if I’m wrong though.
 

evilcw311

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If he’s running a sn95 the 4.6 DOHC cobra engine is a direct drop in. Stock mounts and everything. I have a 98 GT and with all the research I’ve done with this topic it seems to be the cheapest method to me? Please correct me if I’m wrong though.

Please read the thread before giving wrong info. He has a 5.0 pushrod. Nothing about a mod is drop in. Brake system and steering has to be swapped, k member, transmission, ecm.............

Why do you think his name basically says it’s a 50?!?


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Wood's 5.0

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no doubt I don't trust them canadians. They are all stoned running around with no guns talking about how much better their beer and bacon is....

Now THAT is some funny stuff, right there! LMAO!!!

Running the risk of being admonished here and if anyone has mentioned it I must have missed it but how about the juice? That's always been the cheapest route for quick, intermittent gains in horsepower with the least amount of work. I'm not a big fan of it but bang-for-the-buck it's hard to beat. Now, a dry, 250 shot will prolly destroy a stock block and bottom end but what is the reference to 500 hp? Do you just want a "quick" car, stop-light-to-stoplight, up to say 120 mph? Do you want a top-end monster for sustained high speeds? You said your goal was to "just have fun with it sometimes"? You can have a fun, quick, or fast car with a good deal less than 500 hp. Words of warning, tho. Nitrous can certainly be a lot of fun but it's kinda like crack. First hit or two on the 50 hp shot and you'll get the tingle. Now you get to liking it and want more so you up the pill to the 100 shot. Next thing you know you just leave the system armed all the time. Then you notice your rear tires are kind of slick. Hmmm...must have been a bad set on the back. If a hundred is good, then 200 has to be twice as good, right? I'll just retard the timing - it'll be OK. Damn the jet; just take it out altogether. Next thing you know...BAM! you ventilate the block. The hypereutectic pistons that came in our cars can take a little bit of over-pressure but prolonged nitrous use causes extreme pitting in the tops of them (ask me how I know). Head gaskets can fail, head bolts stretch, compression starts to fall off, etc. Oh, and the dreaded "nitrous backfire". There's some good news. Pretty spectacular when it goes, though. All of these guys give pretty solid advice and suggestions on different ways to build you car up. Cheap? I guess cheap is a relative term. Under say $1,000? I don't see how you can do it with what you have to start with. Just trying to help.
 

evilcw311

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Nitrous is always a cheap easy solution up front. But in the long run it becomes very expensive refilling bottles all the time and even more so replacing motors after burning them up.


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Wood's 5.0

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Absolutely and I agree with you but the OP wanted to "not spend an arm and a leg", "Keep it around $3,500", I think I went back and re-read. A good system can be had for under that and, when used with restraint, will be fun and give a good hit but not 500 hp worth. To get that, he would need a dedicated, low-compression, purpose-built for nitrous engine plus the system and by that time you're back in the ballpark of other avenues to reach the stated goal. I still don't get the 500 hp thing. Is that like the standard nowadays for a street car?
 

evilcw311

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Absolutely and I agree with you but the OP wanted to "not spend an arm and a leg", "Keep it around $3,500", I think I went back and re-read. A good system can be had for under that and, when used with restraint, will be fun and give a good hit but not 500 hp worth. To get that, he would need a dedicated, low-compression, purpose-built for nitrous engine plus the system and by that time you're back in the ballpark of other avenues to reach the stated goal. I still don't get the 500 hp thing. Is that like the standard nowadays for a street car?

Factory mustangs, camaros, challengers, chargers, and a few others are all int the 450hp range from the factory. Makes our cars kind of irrelevant until you hit the 500hp mark.

If I wasn’t so in with love my car and if I wasn’t obsessed with the sound and torque that a big cube pushrod makes then I’d of parted it out a long time ago and would have a new 19 now. And that’s not to say I won’t own a 19 or newer one day but I’m still a die hard fan of big cubic inch motors and the low end gut wrenching torque. Mod motors will never make the same sound or low end torque cause there is no blocks that can make the same cubes.


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Itsaiight5.0

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Wow. I really wish I had the knowledge,(and wallets) of you guys. If you guys need help with wiring up a hotel, hospital, plant, restaurant, or house I'm your guy. And I really do appreciate all yalls input, (minus Mr dialect), I DO understand this is gonna cost some more money than what I got as well. And the whole 500hp is really just a general number. I'd be fine is it were less, I just want something that stands the hairs up, and after all the cars I've driven/road in, around 500 tickles my pickle. Given the info y'all have given me, I think the cheapest route is gonna be the 302 with the turbo. Im not gonna lie, but when y'all go talking about the internals of the motor, it's just too far out of my wheel house to understand. BUT, I am good at quoting y'all and relaying what it is that I need. I work too damn hard for my money and I'm not trying to throw it away for ignorance. Also I think after I get the car back on the road, I'm gonna get one of those 351's you were talking about and "piece" it together, so don't be surprised when I'm back on here asking for help. Hahaha thanks again guys for taking time to help!

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