Notices
GM Engine & Exhaust Performance EFI | GEN I/GEN II/GEN III/GEN IV Engines |Small Block | Big Block |

Interesting Dyno Numbers of a 408 with stock 243 heads and ls6 intake

Thread Tools
 
Search this Thread
 
Old 12-09-2010, 07:22 PM
  #1  
dug
Banned
Thread Starter
iTrader: (10)
 
dug's Avatar
 
Join Date: Aug 2002
Location: Phoenix
Posts: 3,727
Likes: 0
Received 0 Likes on 0 Posts
Default Interesting Dyno Numbers of a 408 with stock 243 heads and ls6 intake

https://ls1tech.com/forums/dynamomet...your-bets.html

How cheap can a 408 be put together?
Old 12-09-2010, 07:26 PM
  #2  
Where's the Beef?
iTrader: (8)
 
viciousknid's Avatar
 
Join Date: Jan 2007
Location: Dover, Oklahoma
Posts: 9,382
Likes: 0
Received 1 Like on 1 Post
Default

408 rotating assembly can be had for ~1800-2000
Old 12-09-2010, 09:32 PM
  #3  
Fastest D1 Procharged Truck
iTrader: (30)
 
02_Orange_D1SC's Avatar
 
Join Date: Mar 2007
Location: mASSHOLE
Posts: 3,132
Likes: 0
Received 0 Likes on 0 Posts
Default

hmm my 370 might turn into a 408
Old 12-09-2010, 10:01 PM
  #4  
TECH Junkie
iTrader: (18)
 
skeet's Avatar
 
Join Date: Feb 2007
Location: P.A. TX
Posts: 3,157
Likes: 0
Received 2 Likes on 2 Posts
Default

Originally Posted by twolow02fransen
hmm my 370 might turn into a 408
Na that 370 could push those numbers at a cost lol
Old 12-09-2010, 10:05 PM
  #5  
12 Second Truck Club
iTrader: (13)
 
dlt76028's Avatar
 
Join Date: Sep 2007
Location: Crowley, TX
Posts: 5,883
Received 1 Like on 1 Post
Default

Not that big of a deal considering this is in a car with a standard transmission.
Old 12-09-2010, 10:08 PM
  #6  
TECH Junkie
iTrader: (18)
 
skeet's Avatar
 
Join Date: Feb 2007
Location: P.A. TX
Posts: 3,157
Likes: 0
Received 2 Likes on 2 Posts
Default

true but for a budget build, thise are some great numbers !!
Old 12-09-2010, 10:15 PM
  #7  
12 Second Truck Club
iTrader: (18)
 
Join Date: Aug 2008
Location: Cypress, TX
Posts: 1,107
Likes: 0
Received 0 Likes on 0 Posts
Default

that is my buddy Brian. it runs decent. he has mac mid lengths which are killing him. i keep tellin him to get some good heads and long tubes, and that bitch will come alive!!
Old 12-09-2010, 10:23 PM
  #8  
Laid Back
iTrader: (18)
 
Beatdown Z's Avatar
 
Join Date: Jan 2007
Location: Newark, DE
Posts: 2,389
Received 10 Likes on 9 Posts
Default

Nice! Now I know what to do when my 6.0 lets go.
Old 12-09-2010, 11:54 PM
  #9  
TECH Fanatic
iTrader: (25)
 
Join Date: Jan 2006
Location: Katy & College Station, TX
Posts: 1,268
Likes: 0
Received 0 Likes on 0 Posts
Default

L92 heads with l76 intake would do wonders with a set of used kooks or AR headers....
Old 12-10-2010, 12:33 AM
  #10  
TECH Addict
iTrader: (10)
 
Bumpers's Avatar
 
Join Date: Nov 2005
Location: Tupelo Ms
Posts: 2,114
Likes: 0
Received 0 Likes on 0 Posts
Default

Those are good numbers but remember there's a lot more drivetrain loss with a automatic.. It do like torque though
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
chopperloco
Trucks and SUV Classifieds
15
07-10-2016 10:45 PM
cams 98 silverado
GMT 900 Trucks General Discussion
7
07-31-2015 07:36 AM
steves86ta
GM Engine & Exhaust Performance
5
07-28-2015 10:21 AM
06 4.8
GM Parts Classifieds
2
07-15-2015 07:17 PM
07NBSChevy
GM Engine & Exhaust Performance
20
07-08-2015 07:27 PM



Quick Reply: Interesting Dyno Numbers of a 408 with stock 243 heads and ls6 intake



All times are GMT -5. The time now is 07:35 AM.