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Hp for cheap?

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Old Jul 10, 2021 | 05:48 PM
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Default Hp for cheap?

What's the best way to squeeze out another 20 or so hp for cheap. Excluding headers, x pipe, tune, blah blah.
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Old Jul 10, 2021 | 06:28 PM
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Seems like you shot down every option that is available.
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Old Jul 10, 2021 | 06:29 PM
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Nothing.

Shedding weight or Nitrous is about your only option.

There are truly no freebies with a C5 and newer Corvette.
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Old Jul 10, 2021 | 06:44 PM
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Originally Posted by Mr. Black
Nothing.

Shedding weight or Nitrous is about your only option.

There are truly no freebies with a C5 and newer Corvette.
how much should a decent nitrous setup cost? And would I be safe running a 150 shot or will I blow my engine?
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Old Jul 11, 2021 | 05:55 AM
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So you would rather have risk w/ N20 for straight line driving only vs a good tune cold air and headers???????????????
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Old Jul 11, 2021 | 08:40 AM
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Zip tie mod and a mail order tune. That will easily net you 20-30hp. Zip tie mode is a few bucks and a mail order tune is around $150.
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Old Jul 11, 2021 | 09:17 AM
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IMO the absolute best value for gaining performance is.... Take your engines ECU off, mail it to ECS, have them put a tune on it, ship back to you, and reinstall. Cost is less than $200 total and you'll definitely notice the difference. (I dropped 0.4et and gained 4mph in the 1/4)


The only free mods are opening up the air filter and removing mass.

Last edited by wydopnthrtl; Jul 11, 2021 at 09:17 AM.
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Old Jul 11, 2021 | 09:26 AM
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Originally Posted by C5vette4lifee
how much should a decent nitrous setup cost? And would I be safe running a 150 shot or will I blow my engine?
I was a nitrous design engineer 10+ yrs ago.. over time its not as cheap as people think it is and the risk is high as compared to other power adders. It is an excellent way to add power.. but it takes diligence and a lot of attention to keep things in balance. For example.. I'd never run nitrous w/o a wideband. So.. have folks considered the cost of that?
IMO since you want to go cheap... and assuming this is a street car... stay away from nitrous.
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Old Jul 11, 2021 | 10:29 AM
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Originally Posted by wydopnthrtl
Take your engines ECU off, mail it to ECS, have them put a tune on it, ship back to you, and reinstall.
They may have quit doing that. Or at least quit advertising it. You know, the whole EPA thing.

Last edited by Mr. Black; Jul 12, 2021 at 09:46 AM.
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Old Jul 12, 2021 | 08:37 AM
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One of the easiest hp gains is to change the rockers to a 1.8 ratio, give you about 25 hp. or remove the heads to do it and port the heads.
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Old Jul 12, 2021 | 10:07 AM
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Cheap, fast, reliable...pick two. This is true. Personally, I chose fast and reliable. My advice would be to wait and save your money until you can afford headers and a tune.
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Old Jul 12, 2021 | 10:32 AM
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Based on your other post, you already have headers.

Rockers can help a little. If your car is pre-2001/2, an LS6 intake will help. But that's about it.
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Old Jul 12, 2021 | 01:04 PM
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Originally Posted by MWWarlord
Cheap, fast, reliable...pick two. This is true. Personally, I chose fast and reliable. My advice would be to wait and save your money until you can afford headers and a tune.
yes I'd pick fast and reliable too... I guess I've run my options dry. I already have headers , x pipe and a tune on the car. I make about 450 to the crank.. I was just wondering if I could squeeze out another 20 or so but apparently not.
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Old Jul 12, 2021 | 01:12 PM
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I assume you have a base, not a Z06? Because if so there's no way you're making 100 extra horsepower from headers and a tune.
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Old Jul 12, 2021 | 01:26 PM
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Originally Posted by C5vette4lifee
What's the best way to squeeze out another 20 or so hp for cheap. Excluding headers, x pipe, tune, blah blah.
I had a 100hp dry shot of nitrous on my 2000 C5. Then I took it off, gutted the cats, got a Blackwing, a 160° stat, LS6 intake, and an "educated guess tune, best time/speed with Nitrous was 13.20s@111mph. With no Nitrous, but with the above boltons/mods, and cheapo tune, best was 12.89@109.97. My car is an A4 vert. Hope this helps...

Last edited by grinder11; Jul 12, 2021 at 02:12 PM.
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Old Jul 12, 2021 | 01:52 PM
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Originally Posted by C5vette4lifee
yes I'd pick fast and reliable too... I guess I've run my options dry. I already have headers , x pipe and a tune on the car. I make about 450 to the crank.. I was just wondering if I could squeeze out another 20 or so but apparently not.
Sorry, I misunderstood your original post. I didn't realize that you had already done headers and a tune. At this point, I don't think you have a very good option for a quick 20HP. It's not at all cheap, but I have an A&A kit on my car, and I LOVE it. That might put out more power than what you're looking for though. You might consider a mild cam. That might get you around what you're looking for without paying too much. Realistically though, Forced induction or H/C/I would be the next logical step for you.

Last edited by MWWarlord; Jul 12, 2021 at 01:53 PM. Reason: corrected typos
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Old Jul 12, 2021 | 02:23 PM
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Originally Posted by MWWarlord
Sorry, I misunderstood your original post. I didn't realize that you had already done headers and a tune. At this point, I don't think you have a very good option for a quick 20HP. It's not at all cheap, but I have an A&A kit on my car, and I LOVE it. That might put out more power than what you're looking for though. You might consider a mild cam. That might get you around what you're looking for without paying too much. Realistically though, Forced induction or H/C/I would be the next logical step for you.
Yeah, I misread it, too. Anyway, if you still have the OEM filter and airbox, you can pick up some decent power going to a Blackwing, VaraRam, Haltech, etc. If you already have an aftermarket filter, 20 more hp is not going to happen cheap. Nitrous would be the next cheapest way. In my honest opinion, horsepower usually costs money. Also, you usually get what you pay for. Nitrous may be cheap, but if something does go wrong, you'll go from cheap to an engine rebuild mighty quick!!! What I'm saying is don't go cheap in places quality parts are mandatory, or you'll quickly be at that engine rebuild spot again....
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Old Jul 12, 2021 | 03:23 PM
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There is NO such thing as HP and cheap. Lets face it, you wont feel hp and
it will make little difference at the track ( skill and luck can make up for small
hp gains) Stay stock or develope a plan save your money and exacute.
Good luck
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Old Jul 12, 2021 | 03:38 PM
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Another option that hasn't been discussed is new gears. This won't add any HP, but it will increase your torque. The car will accelerate faster at the cost of top end speed. If you do plan on going with big power adders later, this might not be the best option for you. However, if you just want that extra little bit of oomph, it might be something to consider.
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Old Jul 12, 2021 | 04:38 PM
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How long do you need this extra power to last?

Pull the A/C belt and serpentine belt 😳
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