Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

346 Upgrades, 402 or Supercharger- Input

Thread Tools
 
Search this Thread
 
Old 09-04-2006, 09:59 PM
  #1  
Launching!
Thread Starter
 
jz06man's Avatar
 
Join Date: Sep 2004
Posts: 245
Likes: 0
Received 0 Likes on 0 Posts
Default 346 Upgrades, 402 or Supercharger- Input

I'm looking for some feedback and input on a major upgrade.

First, I'm not looking for max power or a dyno queen. I drive this car on the weekend and nice days- however I am looking for more power at not to a high costs...

Which would be better for power, drivability and longevity????

I currently put down 420rwhp.
I could

1. do a 90/90 setup, cam 224/228 lsa 114 or 220/226 lsa 114, stage 3x clutch and maybe a baby "bottle" (NO2) 50-75hp ONLY- costs about 5K-5.5K for about 50-55hp and 20-25TQ(470RWHP/430RWTQ) without the bottle.

2. 402 with Dart 225 heads or keep my Patriot stage 2 head, 90/90 and a clutch- costs about 8K-9K for 80HP and 75RWTQ(500RWHP & 480RWTQ)

3. Keep my 346- Forged Piston and Rods. ATI supercharger, blower cam and clutch.... Costs 10K-12K for about 550RWHP & 460RWTQ).

Obviously, the last one produces the most power, but at these levels more is required to keep this safe and running. Rear output shafts, radiator, etc.....
I do not want to deal with all the heat related issues of a supercharger or all the other potential issues...
I certainly DO NOT want to spend 10K and have problems or issues.

Costs wise, it seems like keeping the 346- doing the cam, clutch and 90/90 might be the smart upgrade or even the 402. However the 402 is 3K-4k for 30hp and 50tq. (ok, the TQ would be fun!!)...

Any intelligent thoughts, input or things I have not conceder???

Thanks for in input!
Old 09-04-2006, 11:25 PM
  #2  
TECH Addict
iTrader: (2)
 
slowpoke96z28's Avatar
 
Join Date: May 2005
Location: cedar hill, tx
Posts: 2,099
Received 9 Likes on 6 Posts

Default

well, the bigger engine(402ci) is apt to have the best driveability out of the three.
Old 09-04-2006, 11:58 PM
  #3  
Banned
iTrader: (15)
 
michael402z06's Avatar
 
Join Date: Mar 2005
Location: Oak Harbor, WA
Posts: 221
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by slowpoke96z28
well, the bigger engine(402ci) is apt to have the best driveability out of the three.
thats true. if you just did a 402 with a mild cam you would have good power and it would drive nice.
Old 09-05-2006, 12:46 AM
  #4  
TECH Fanatic
iTrader: (8)
 
SSilverSSurfer's Avatar
 
Join Date: Jul 2004
Location: College Station/Pasadena
Posts: 8,182
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by michaelsvt03
thats true. if you just did a 402 with a mild cam you would have good power and it would drive nice.
why go mild on a 402? if driveability is your case then just do the first thing, or you can put a blower on it and keep a safe tune
Old 09-05-2006, 12:55 AM
  #5  
Banned
 
Asmodeus's Avatar
 
Join Date: Apr 2006
Location: Naperville, IL
Posts: 1,875
Likes: 0
Received 1 Like on 1 Post
Default

402 in your case, then sell the forged 346 to recover some of the cost.
Old 09-06-2006, 03:08 PM
  #6  
Launching!
Thread Starter
 
jz06man's Avatar
 
Join Date: Sep 2004
Posts: 245
Likes: 0
Received 0 Likes on 0 Posts
Default

Anyone know or have info. on these Dart 225 heads???
Old 09-06-2006, 05:30 PM
  #7  
TECH Resident
iTrader: (8)
 
magius231's Avatar
 
Join Date: Aug 2005
Location: Winston Salem, NC
Posts: 751
Received 5 Likes on 2 Posts

Default

how about keep your 346, ETP 225 heads and EDC custom cam, should = ~500rwhp for somewhere around 5k (with 90/90, etc) then do clutch, rearend, etc




All times are GMT -5. The time now is 02:11 PM.