Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:
View Poll Results: What motor
LS2
8
22.86%
LS7
6
17.14%
408
14
40.00%
LSX
7
20.00%
Voters: 35. You may not vote on this poll

Motor swap

Thread Tools
 
Search this Thread
 
Old Apr 10, 2007 | 04:02 PM
  #1  
MonsterZ28's Avatar
Thread Starter
TECH Enthusiast
 
Joined: Apr 2005
Posts: 696
Likes: 0
From: Middletown, DE
Default Motor swap

I'm buying a high miles 2000 z28.
What would the best motor be to swap out with the ls1?

LS2- ready to run, plenty of performance mods available, not sure on price
LS7- ready to run, but very expensive
408- Not sure how many cubes i can get, how cheap to build?
LSX- New GM block, Pro- can be bored out to a 454, Con- no idea on price, nor place to find it

Any input would be appreciated, if i'm in the wrong section feel free to move it, i just thought this might be a good place... thanks

PS- feel free to suggest any other motor
Reply
Old Apr 10, 2007 | 10:34 PM
  #2  
Beasst8's Avatar
TECH Fanatic
iTrader: (1)
 
Joined: Nov 2005
Posts: 1,142
Likes: 0
From: Goldsboro, NC
Default

I am going 408 Iron Block

Decent pricing and great power, forged bottom end, so strong enough to take the abuse.
Reply
Old Apr 10, 2007 | 10:49 PM
  #3  
Stang-Slayer's Avatar
12 Second Club
15 Year Member
iTrader: (16)
 
Joined: Jul 2006
Posts: 627
Likes: 0
From: Atascocita Tx
Default

lsx bowtie block went on sale march 31st from GMPP.....do a google search....I know one site is selling em.....bare block i think is 2400......supposively they will range from 1800-2400......U would have to look around though man
Reply
Old Apr 11, 2007 | 08:29 AM
  #4  
brad8266's Avatar
TECH Senior Member
iTrader: (23)
 
Joined: Aug 2005
Posts: 8,797
Likes: 0
From: Watertown, NY
Default

This is a stupid thread considering the giant price range in all those engines. What are your goals for the car? What are your budget constraints? If you have no budget than build a new LSx setup.
Reply
Old Apr 11, 2007 | 12:28 PM
  #5  
MonsterZ28's Avatar
Thread Starter
TECH Enthusiast
 
Joined: Apr 2005
Posts: 696
Likes: 0
From: Middletown, DE
Default

Not too much of a budget constraint, I am gonna trade my truck in on the car so there will be no loan payment on that so i planned on getting a loan for the motor. Lets say 10-12,000
Reply
Old Apr 11, 2007 | 12:32 PM
  #6  
brad8266's Avatar
TECH Senior Member
iTrader: (23)
 
Joined: Aug 2005
Posts: 8,797
Likes: 0
From: Watertown, NY
Default

Originally Posted by MonsterZ28
Not too much of a budget constraint, I am gonna trade my truck in on the car so there will be no loan payment on that so i planned on getting a loan for the motor. Lets say 10-12,000
LSx block- ~2k
Rotating assebmly/valetrain-~3.5K(maybe less depending on what parts you buy)
TFS or ETP headfs- ~2.5K
FAST90/90- 1.1K

Thats a rough estimate but should be close.
Reply
Old Apr 12, 2007 | 02:55 PM
  #7  
Cop Car's Avatar
10 Second Club
iTrader: (14)
 
Joined: Jul 2005
Posts: 2,520
Likes: 0
From: Indy
Default

LQ4/9 with 243 or even aftermarket heads on them. cheaper than every other option you listed.
Reply
Old Apr 12, 2007 | 03:11 PM
  #8  
Shock Hawk's Avatar
Launching!
 
Joined: Apr 2007
Posts: 264
Likes: 0
From: College Station, TX
Default

Look at it this way:

LS1 ~ 320hp ~1-4k eBay low mileage + Bolt ons included

LS2 ~ 400hp ~3-6k eBay low mileage

LS7 ~ 505hp ~13k new

Think of where you want to start and where you want to go. If you are going to replace your heads and valve train, then the LS2 is cheaper and you'll have a similar result as an LS7 that's twice the price. If you are going for those 8s 1/4's, then LSX is probably the way to go.

There's also the question of how much you want to do. Block up? Bolt ons only? Stock?

If this is a daily driver, please remember that higher displacement will probably mean lower gas mileage. If this is not a daily driver, then there is no replacement for displacement
Reply
Old Apr 12, 2007 | 04:39 PM
  #9  
GR33N GoblinM6's Avatar
TECH Addict
iTrader: (14)
 
Joined: Jan 2005
Posts: 2,301
Likes: 1
From: Utah
Default

LS2... with L92 heads.. L76 intake...
Reply
Old Apr 12, 2007 | 08:07 PM
  #10  
black01_WS6's Avatar
TECH Junkie
iTrader: (13)
 
Joined: Sep 2004
Posts: 3,857
Likes: 0
From: Fort Myers, FL.
Default

408, and with the money left over get a dana 60 or a 9 inch, and suspension.
Reply
Old Apr 13, 2007 | 09:42 AM
  #11  
GR33N GoblinM6's Avatar
TECH Addict
iTrader: (14)
 
Joined: Jan 2005
Posts: 2,301
Likes: 1
From: Utah
Default

BOOO on 408... 408 has become the new trendy "383", back when everyone wanted a GEN I stroker...
Reply
Old Apr 13, 2007 | 10:18 AM
  #12  
99blancoSS's Avatar
Banned
iTrader: (115)
 
Joined: Feb 2005
Posts: 9,892
Likes: 3
From: ST Helens, OR
Default

Originally Posted by Shock Hawk

If this is a daily driver, please remember that higher displacement will probably mean lower gas mileage. If this is not a daily driver, then there is no replacement for displacement

Very big point here. Gas mileage in a daily driver.
Reply




All times are GMT -5. The time now is 10:20 AM.