LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

400rwhp?

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Old Apr 26, 2006 | 03:43 AM
  #1  
slow95camaroz28's Avatar
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From: Sedalia, Mo
400rwhp?

What is the easiest way to get this? Build for high compression and heads cam, or build low compression and boost it. I want this to be reliable it will be my dd.

Thanks,
Tom
Old Apr 26, 2006 | 06:11 AM
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Re: 400rwhp?

It goes without saying that nitrous is the easiest way to hit 400rwhp. Sure, you dont have 400 hp all the time, but the question is do you *need* it all the time? It would cost about $1000-1400 to do it properly.
Old Apr 26, 2006 | 07:47 AM
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Re: 400rwhp?

i'm also looking for about the same goal but i would like it to be on all the time
any ideas?
Old Apr 26, 2006 | 08:22 AM
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Re: 400rwhp?

Check with Victory Racing Engines.....Nick just did a 385 stroker for me that put down 426 at the wheels on a Mustang Dyno. I am VERY happy with that
Old Apr 26, 2006 | 09:02 AM
  #5  
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Re: 400rwhp?

LE2 head/cam setup with the bolt ons gets this.
Old Apr 27, 2006 | 12:10 AM
  #6  
slow95camaroz28's Avatar
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Re: 400rwhp?

I want it very reliable since it will be my dd. I will not put spray on my car at this point. So what would be the best reliable way. I either want the heads/cam or boost.
Old Apr 27, 2006 | 12:39 AM
  #7  
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Re: 400rwhp?

Hate to break it too you but Spraying it would be the most reliable. Heads Cam set ups will spin the stock shortblock too high in most applications and will spin bearings and such. Supercharging it is too much for the stock bottom as it is high compresion and will blow the motor eventually.

Your best bet is to spray N20 on it, or go with a LE2 set up. But I wouldnt want a H/C car as a daily driver if your going to beat on it alot. Its too prone to spinning a bearing or something.
Old Apr 27, 2006 | 12:40 AM
  #8  
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Re: 400rwhp?

Ehh, on second thought, I think I would rather have the H/C set up cause its always there. And sounds so much better doing it. Either way though, your not going to be as reliable as you would be at 300RWHP. If you want to push your car that hard, you should have or be looking at another cheap vehicle just incase ... How many miles are on it?
Old Apr 27, 2006 | 12:43 AM
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Re: 400rwhp?

I've got 2 N/A strokers. One has a big solid roller and made 606 FWHP. That is fun on the track, but gets to be a pain on the street. The other one made 398 RWHP (relatively small cam), and is great to drive on the street as well as the track. Although you can get good numbers with heads/cam, the torque of a stroker is quite addicting.

Properly tuned and well-built, a stroker will be very reliable and have great driveability IMHO. Certainly possible with a boosted engine, but I think a lot more difficult to do well from what I've seen.

Todd
Old Apr 27, 2006 | 01:14 AM
  #10  
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Re: 400rwhp?

If you want it to be reliable and a daily driver I would do a head/cam setup with Llyod Elliot. That way it will give u chance to freshen up the motor and decided what kinda of setup you want to do. It all depends on how much money you have to spend and what power you want to make.
Old Apr 27, 2006 | 02:57 AM
  #11  
slow95camaroz28's Avatar
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Re: 400rwhp?

The motor will be rebuilt to take whatever i do. If i boost it will be built for it. If i do h/c i will build for it. Im just wondering what the easiest way to do this is. I would really like to boost it since no one in my area has it. The only thing from keeping me from going that way is all the bugs you have to work out. Also i think boost is harder on the engine. If im wrong please let me know. There is no way im going to spray this motor so there is no need to talk about that. All i want is 400hp tell me what i need to do.
Old Apr 27, 2006 | 12:31 PM
  #12  
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Re: 400rwhp?

O well if your rebuilding it, then any of the options are good ones. NA is cheaper to do than a supercharged set up. I didnt know you were rebuilding it. All motor is sweet though
Old Apr 27, 2006 | 01:06 PM
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Re: 400rwhp?

Boost makes a great daily driver and boosted 400rwhp will most likely be easier on the gas than a h/c 400rwhp. With boost you get a better power curve and dont need to use a lot of gear to keep it in the curve.
Old Apr 27, 2006 | 03:09 PM
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Re: 400rwhp?

Originally Posted by LiENUS
Boost makes a great daily driver and boosted 400rwhp will most likely be easier on the gas than a h/c 400rwhp. With boost you get a better power curve and dont need to use a lot of gear to keep it in the curve.
No you don't, the power curve is 10X worse for a centrifical supercharger. They don't even start building boost until ~3500....
Old Apr 27, 2006 | 04:31 PM
  #15  
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Re: 400rwhp?

LE2 head/cam setup with the bolt ons gets this.


Sure can I just finished my 355.
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