LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Fitting headers

Thread Tools
 
Search this Thread
 
Old Sep 27, 2012 | 11:39 PM
  #1  
chevroletrocket's Avatar
Thread Starter
Teching In
 
Joined: Aug 2012
Posts: 38
Likes: 0
Default Fitting headers

I have been on the look out for some cheap headers for my 93 z28, I have seen a couple of adds were some of the sellers say that they are for a 93-95 and then some sellers say they have a pair that fits 96-97. What changed in 96 and 97 I was thinking maybe the clearance for the steering?

Also I would assume long tubes are routed under the steering?

If anyone has had any experience with this some info would be greatly appreciated
Reply
Old Sep 28, 2012 | 04:44 AM
  #2  
mcalus's Avatar
TECH Fanatic
10 Year Member
iTrader: (14)
 
Joined: Nov 2007
Posts: 1,929
Likes: 1
From: Chelsea, Michigan
Default

Not sure on the year difference.

The steering shaft is outside of the header (if that makes sense) its between the header and the shock tower.

Iirc the steering shaft is the same.
Reply
Old Sep 28, 2012 | 05:10 AM
  #3  
frankzlt1's Avatar
Staging Lane
 
Joined: Aug 2010
Posts: 74
Likes: 0
From: ct
Default

The 93-95 have 2 02 sensor 1 before the cat and 1 after the cat 96-97 have 4 02 sensors 2 before the cat 2 after the cat.
Reply
Old Sep 28, 2012 | 05:33 AM
  #4  
RamAir95TA's Avatar
TECH Senior Member
iTrader: (2)
 
Joined: May 2005
Posts: 9,467
Likes: 8
From: South Jersey
Default

Originally Posted by frankzlt1
The 93-95 have 2 02 sensor 1 before the cat and 1 after the cat 96-97 have 4 02 sensors 2 before the cat 2 after the cat.
OBDI cars do not have post-cat sensors, just one sensor per bank, pre-cat.
Reply
Old Sep 28, 2012 | 09:52 AM
  #5  
93M6Formula's Avatar
TECH Fanatic
 
Joined: Aug 2008
Posts: 1,740
Likes: 2
From: Nebraska
Default

The difference is 96-97 cars had dual cats. 93-95 were single cats. The fitment is all the same though and unless you need the cats in your state, it doesn't matter.
Reply
Old Sep 28, 2012 | 09:35 PM
  #6  
chevroletrocket's Avatar
Thread Starter
Teching In
 
Joined: Aug 2012
Posts: 38
Likes: 0
Default

Ok cool I dident think of the obd2s having two cats...I. dident see another thread asking this so maybe it will help someone out in the future.... my car has 2 o2s before the cat one on each side before the Y pipe... I don't know if the obd2 would have a y pipe but if they did they wouldent have 2 sensors after the cats would they unless it when from 2 cats to a y pipe... not trying to be a pain just trying to understand
Reply




All times are GMT -5. The time now is 02:28 AM.

story-0
10 Reasons Daily Driving a Swap Project SUCKS! (& 1 Reason to Do It Anyway)

Slideshow: 10 reasons daily-driving a swap project might not be for you. Or is it?

By Michael S. Palmer | 2026-06-17 09:39:05


VIEW MORE
story-1
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-2
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 | 2026-06-18 10:26:23


VIEW MORE
story-3
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-4
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-5
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-6
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-7
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-8
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-9
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