Conversions & Swaps LSX Engines in Non-LSX Vehicles
Sponsored by:
Sponsored by:

Swap LS7 Into SBC- Sort Of

Thread Tools
 
Search this Thread
 
Old Feb 11, 2006 | 11:17 PM
  #1  
Builder's Avatar
Thread Starter
TECH Regular
 
Joined: Nov 2004
Posts: 415
Likes: 0
From: Reno, NV
Default Swap LS7 Into SBC- Sort Of

Hi Folks,

The GTR is designed for an SBC, but it's getting an LS7; thus, the swap. The questions I have are of a general nature regarding the LSx engine.

a) Is there a rear motor mount? If not, what holds the engine up at the back?

b) Is there a specific length from the center of the (SBC) mount to the back of the bell housing flange? With the LS7 test fit, it is just about 12.5".

Here's a page with some photos of the test fit... This site is very much under construction.

Thanks,
Reply
Old Feb 12, 2006 | 12:45 AM
  #2  
Project GatTagO's Avatar
TECH Senior Member
20 Year Member
Liked
Loved
Top Answer: 1
iTrader: (7)
 
Joined: Mar 2003
Posts: 10,617
Likes: 1,883
From: Little Austin
Default

There is no rear engine mount. Generally the rear of the engine bolts to the transmission and the transmission is supported at the tailhousing.

This should help:

http://www.schwartzperformance.com/alienbuild.htm

Andrew
Reply
Old Feb 12, 2006 | 09:58 AM
  #3  
Builder's Avatar
Thread Starter
TECH Regular
 
Joined: Nov 2004
Posts: 415
Likes: 0
From: Reno, NV
Default

Thanks, Andrew. I have an email into Jeff. Great to see that you track you car. Sweet ride!
Reply
Old Feb 12, 2006 | 12:16 PM
  #4  
Bink's Avatar
TECH Addict
20 Year Member
 
Joined: Jul 2002
Posts: 2,261
Likes: 0
Default

Wow, site is VERY nice. Great pics and logical commentary. Thanks...keep us posted!!
Reply
Old Feb 12, 2006 | 08:21 PM
  #5  
Builder's Avatar
Thread Starter
TECH Regular
 
Joined: Nov 2004
Posts: 415
Likes: 0
From: Reno, NV
Default

Originally Posted by Bink
Wow, site is VERY nice. Great pics and logical commentary. Thanks...keep us posted!!
Ha-ha! Thanks, Bink. We'll see how the logic holds out.
Reply
Old Feb 13, 2006 | 10:23 AM
  #6  
RyanJ's Avatar
SSU Moderator
 
Joined: Nov 2001
Posts: 4,857
Likes: 0
From: Austin, TX
Default

Say will your car pass emissions testing for Washoe County, Nevada? Just wondering.



Just kidding. Nice shop and nice engine. I love to see Ultima's being built.
Reply
Old Feb 13, 2006 | 11:22 AM
  #7  
Builder's Avatar
Thread Starter
TECH Regular
 
Joined: Nov 2004
Posts: 415
Likes: 0
From: Reno, NV
Default

Originally Posted by RyanJ
Say will your car pass emissions testing for Washoe County, Nevada? Just wondering.



Just kidding. Nice shop and nice engine. I love to see Ultima's being built.
Ha! Sure... I plan on taking an early 70's block and licensing with that. Then, it will blow up, get rebuilt, and end up in my truck (where it came from). Of course, the Ultima will get an LS7 swap. Otherwise, NO WAY! If that doesn't work, I have a friend in another county.
Reply
Old Aug 26, 2010 | 05:27 PM
  #8  
Builder's Avatar
Thread Starter
TECH Regular
 
Joined: Nov 2004
Posts: 415
Likes: 0
From: Reno, NV
Default

Long time coming:

http://www.youtube.com/watch?v=21hx2KM8KXs

Just checking for leaks. More video soon!!
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

 Brett Foote
story-1

Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

 Pouria Savadkouei
story-2

Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

 Verdad Gallardo
story-3

7 Most Reliable High-Performance Engines GM Has Ever Built

 Verdad Gallardo
story-4

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-5

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-6

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-7

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-8

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-9

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
Old Aug 26, 2010 | 08:06 PM
  #9  
Irish350's Avatar
TECH Fanatic
iTrader: (14)
 
Joined: Mar 2007
Posts: 1,968
Likes: 1
From: Phoenix/Tempe, AZ
Default

I wanna see it running. Real cool. Do they make model year changes on those?

btw all those links are bad (sig, op, etc)
Reply
Old Aug 26, 2010 | 09:17 PM
  #10  
Builder's Avatar
Thread Starter
TECH Regular
 
Joined: Nov 2004
Posts: 415
Likes: 0
From: Reno, NV
Default

Originally Posted by Irish350
I wanna see it running. Real cool. Do they make model year changes on those?

btw all those links are bad (sig, op, etc)
There's a track day event where I'll be instructing at the end of September. I want to have it there.

They don't really make model changes...minor updates to components along the way, though. The design was released in the early 90s, but still a very effective combination due to flexibility with drive train components.

Thanks, I fixed my sig. Been a while.
Reply




All times are GMT -5. The time now is 11:01 PM.

story-0
6 Gifts Neither Your Dad Nor Grad Will Shove Into the 'Trinket Drawer'

Don't get dad new socks or a grill brush this year.

By Brett Foote | 2026-06-04 18:13:20


VIEW MORE
story-1
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-2
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-3
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-4
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-5
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-6
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-7
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-8
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-9
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE