C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Replacing rotor

Thread Tools
 
Search this Thread
 
Old Nov 28, 2016 | 06:45 PM
  #1  
JetJock's Avatar
JetJock
Thread Starter
Racer
Supporting Lifetime
15 Year Member
 
Joined: Jun 2002
Posts: 421
Likes: 0
From: Rockfield, Ky
Default Replacing rotor

I've been having a slight miss with my 91 L98. I checked the fuel pressure and it is good, I've replaced the damaged spark plug wires and the spark plugs which were the wrong ones installed by a mechanic. I pulled the cap on the distributor and took pictures of the cap and the rotor. The cap looked fine but I wanted a second opinion on the rotor. What do you think?
Attached Images   
Reply
Old Nov 28, 2016 | 06:56 PM
  #2  
Churchkey's Avatar
Churchkey
Melting Slicks
10 Year Member
 
Joined: Sep 2008
Posts: 2,376
Likes: 111
From: Cherokee National Forest TN
Default

Hard to see with that straight in camera shot but it looks to me like you have arc tracks on the cap contacts.

With new plugs & wires suggest a new cap & rotor = done deal for many miles.
Reply
Old Nov 28, 2016 | 07:03 PM
  #3  
WW7's Avatar
WW7
Le Mans Master
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Aug 2007
Posts: 8,735
Likes: 412
From: WV
Default

The caps with the brass contacts are way better then the ones with aluminum contacts..It's hard to tell from the picture if your cap is burned or not , but they're not that expensive to replace both the cap and rotor..WW

Last edited by WW7; Nov 29, 2016 at 06:21 AM.
Reply
Old Nov 28, 2016 | 07:10 PM
  #4  
JetJock's Avatar
JetJock
Thread Starter
Racer
Supporting Lifetime
15 Year Member
 
Joined: Jun 2002
Posts: 421
Likes: 0
From: Rockfield, Ky
Default

Thanks. That's what I need to kmow.
Reply
Old Nov 29, 2016 | 10:58 PM
  #5  
JetJock's Avatar
JetJock
Thread Starter
Racer
Supporting Lifetime
15 Year Member
 
Joined: Jun 2002
Posts: 421
Likes: 0
From: Rockfield, Ky
Default

Just FYI. I took the cap down to the autoparts store that I use and the owner looked at the cap. The electrodes on the cap were broken! No wonder there was a miss. Got the new rotor installed waiting on the cap to show up. It has brass contacts. Thanks for the help, guys.
Reply

Get notified of new replies

To Replacing rotor





All times are GMT -4. The time now is 07:47 PM.

story-0
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-1
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-2
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-3
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-4
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-5
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-6
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-7
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-8
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE
story-9
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE