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How would you make 350-375 hp?

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Old Feb 12, 2006 | 09:04 PM
  #1  
dgZ's Avatar
dgZ
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How would you make 350-375 hp?

What would be your option of choice for building a reliable, streetable (decent gas mileage), daily driveable 350-375 hp engine that wont blow up right away, with a budget in mind? All these setups will be with full bolt ons (unless sts, the exhaust would then stay stock)

1. A mild cam with performance springs (ie: crane baby cam or hotcam), stock heads ,and a good tune.

2. An expensive ati or vortech supercharger dialed in for low boost, upgraded fuel pump and injectors, and a good tune.

3. A cheaper baby blower (ie: powerdyne), upgraded fuel pump and injectors, and a good tune.

4. STS turbo at low boost, with an upgraded fuel pump and injectors, and a good tune.

5. An idea of your own? If you have your own idea post it but still chose your favorite method of the 4. Im happy to hear opinions.

Thanks for any imput
Old Feb 12, 2006 | 09:09 PM
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Re: How would you make 350-375 hp?

dude... just get a decent cam.. if ls1... tr224/224 will do it, with supporting mods, and very reliable and good mpg... (its what i have) easy as hell to get those #s...

cory
Old Feb 12, 2006 | 09:10 PM
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Re: How would you make 350-375 hp?

get a honda and run a 325 shot lol
Old Feb 12, 2006 | 09:12 PM
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Re: How would you make 350-375 hp?

if you have an ls1, you already have a 350hp car that is all those things, for the extra 25, lid, freemods, exhaust, and ssra and your there!
Old Feb 12, 2006 | 09:17 PM
  #5  
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Re: How would you make 350-375 hp?

should have mentioned, lt1, and im talkin rwhp here
Old Feb 12, 2006 | 10:00 PM
  #6  
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Re: How would you make 350-375 hp?

le2 heads and a bre cam or a 175 shot
Old Feb 12, 2006 | 11:04 PM
  #7  
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Re: How would you make 350-375 hp?

1. Forged Speed Pro Pistons w/ good rings
2. Good bearings
3. Forged I-beam rods
4. a Comp Cams XE camshaft or Lloyd Elliot or AFR head/cam package.
5. good set of headers
6. 1.6:1 roller rockers

The key to a reliable motor depends a lot on the accuracy of the maching done on the block before assembly. Make sure to choose a good machine shop and everything should stay together. With the forged pistons and rods you can shoot nitrous if that is the route you want to take. If your budget allows go with a, AFR, Lloyd Elliot, or Advanced Induction head/cam kit. They make good power for around $1000 dollars. You don't need a blower or turbo to make 375 HP, besides the cam sounds SWEET!!!

Hope this helps! Good luck man!

AFR- http://www.airflowresearch.com
Lloyd Elliot- http:// www.eportworks.com
Advanced Induction- http://www.advancedinduction.com
Old Feb 13, 2006 | 12:31 AM
  #8  
dgZ's Avatar
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Re: How would you make 350-375 hp?

^ Thanks for your imput man, Im pretty much on a budget though, and Im not building a race car. This is a multipurpose car, so I need to retain driveability and mileage, and keep it reliable. As much as Id love to go all out with a forged bottom end, a bigger cam and some quality heads, I also need to keep prices as low as possible. This is why Im leaning away from FI, although the streetability is great and initial costs are low, it puts alot of stress on the lt1 and its taking a huge chance. Im also not planning on spraying. Too bad our cars dont like boost as much as mustangs, but at least camaros dont have fat asses
Im thinking a small cam, stock (perhaps ported later on) heads, long tubes, ported intake with a cai, and maybe catted true duals if allowed by my emissions here. Ill be able to make some nice usable power, sound nice, run stock compression and not worry about detonation like with FI, still get some good gas mileage and if im lucky, get a little lope.
Old Feb 14, 2006 | 06:46 PM
  #9  
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Re: How would you make 350-375 hp?

Old Feb 14, 2006 | 06:53 PM
  #10  
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From: Long Island, NY
Re: How would you make 350-375 hp?

full exhaust, lid, mild cam, tune...
Old Feb 14, 2006 | 08:19 PM
  #11  
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From: Boston, MA
Re: How would you make 350-375 hp?

Originally Posted by V8 Slayer
full exhaust, lid, mild cam, tune...
He said LT1. For an LT1 if you don't go the forced induction route you will definitly need to work the heads. You won't be getting great mileage so don't expect it, with 5.7 liters it gas mileage should never be a concern. LE2 would be a very good choice IMO, if not then you could try an STS but I'm sure you'd want to add more boost eventully so you'd need to work the bottom end. H/C is the best choice here.
Old Feb 14, 2006 | 08:22 PM
  #12  
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From: Bentonville, AR
Re: How would you make 350-375 hp?

You could always sell your LT1, and get an LS1. I heard those LS1 cars run great
Old Feb 14, 2006 | 09:34 PM
  #13  
Critter's Avatar
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From: fort worth/burleson Tx
Re: How would you make 350-375 hp?

cc306, stall, longtubes, true duels x pipe, 1.6 rockers, electric water pump, cai, tune, upgrade springs, run 12.3 if you can hook
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