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

428?

Thread Tools
 
Search this Thread
 
Old Aug 1, 2006 | 08:43 PM
  #1  
Darksol's Avatar
Thread Starter
TECH Enthusiast
 
Joined: Jan 2005
Posts: 697
Likes: 0
From: On a car lot, shopping...
Default 428?

I have been thinking about what direction to head in with the engine. I would like to have a "traditional" Pontiac displacement. I was thinking about stroking the LS1 block rather than putting money into buying a block and then stroking it. So does anyone know of a 428 stroker for the LS1? The car is currently a daily driver but will not be forever. I would think that upper 400's to lower 500's are easily possible. I want ls7 power with out the $15000 price tag. I think this is a reasonable goal with this kind of displacement. Someone correct me if I am wrong. The car is currently a auto but I haven't decided on whether it will stay that way. Any input would be appreciated. Thanks in advance guys.
Reply
Old Aug 1, 2006 | 10:16 PM
  #2  
Ferocity02's Avatar
TECH Senior Member
iTrader: (60)
 
Joined: Apr 2003
Posts: 9,397
Likes: 4
Default

4.125" bore with a 4" stroke is a 428 technically. But I'm calling mine a 427, and so does GM. It's actually 427.65, so round up to 428. This can be done with an LS7 block with an LS1 stroker crank. Or you can use a sleeved LS1/6/2 block like one from Katech, then fill it with LS1/2 internals.
Reply
Old Aug 1, 2006 | 11:02 PM
  #3  
SVT THIS's Avatar
TECH Addict
20 Year Member
iTrader: (27)
 
Joined: May 2005
Posts: 2,237
Likes: 2
From: Owasso, Ok
Default

A 402 LSx series or 408 LQ9 series with the right heads/cam combo will make 500+ rwhp. However, an LS1 with AFR 205s, 24x duration cam, 90/90 intake and proper compression could get very, very close to that 500 mark you want. I understand wanting a "traditional" sized motor, but who care's when you're hitting 10s?
Reply
Old Aug 2, 2006 | 09:16 AM
  #4  
allngn_c5's Avatar
TECH Senior Member
iTrader: (3)
 
Joined: Apr 2006
Posts: 6,524
Likes: 1
From: Western Burbs of Detroit
Default

Originally Posted by SVT THIS
A 402 LSx series or 408 LQ9 series with the right heads/cam combo will make 500+ rwhp. However, an LS1 with AFR 205s, 24x duration cam, 90/90 intake and proper compression could get very, very close to that 500 mark you want. I understand wanting a "traditional" sized motor, but who care's when you're hitting 10s?

Tradition goes out the window when 10's happen for ya in the 1/4

Just my .02
Reply
Old Aug 2, 2006 | 10:41 AM
  #5  
Hennytime's Avatar
12 Second Club
iTrader: (33)
 
Joined: Jan 2005
Posts: 2,584
Likes: 0
From: winter springs, fl
Default

Originally Posted by allngn_c5
Tradition goes out the window when 10's happen for ya in the 1/4

Just my .02
im damn impressed with your combo, what track times has it gotten you? /thread_jack
Reply




All times are GMT -5. The time now is 03:21 AM.

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 | 2026-06-09 14:55:56


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