C5 Forced Induction/Nitrous C5 Corvette Turbochargers, Superchargers, Centrifugal, Twin Screw & Roots Blowers, Twin Turbo Kits, Intercoolers, Wet & Dry Nitrous Injection, Meth
Sponsored by:
Sponsored by:

STS Question

Thread Tools
 
Search this Thread
 
Old Dec 8, 2009 | 09:28 AM
  #1  
turbosnk's Avatar
turbosnk
Thread Starter
Advanced
 
Joined: Feb 2006
Posts: 58
Likes: 0
Default STS Question

My kit is 4 years old. Just recently on WOT the dipstick blows out and oil goes everywhere. Anybody have this problem? Motor has 20,000 miles, only 8,000 have been boosted. I'm running 8 pounds. The guys at STS gave me trouble shooting guide for those switches that the pvc is attached to, but I was wondering if others have had this problem.
Reply
Old Dec 8, 2009 | 10:00 AM
  #2  
Slow Z06's Avatar
Slow Z06
Le Mans Master
10 Year Member
 
Joined: Oct 2006
Posts: 6,080
Likes: 0
From: Houston TX
Default

Yea Ive had it as well as others. Its called blowby. Your rings are going away. Time to start looking into forged motor.
Reply
Old Dec 9, 2009 | 12:43 AM
  #3  
skywalker's Avatar
skywalker
Racer
20 Year Member
All Eyes On Me
Liked
Loved
 
Joined: Dec 2004
Posts: 284
Likes: 11
From: Winnipeg
Default

I had that problem last spring. Start by pulling your oil filler cap off with the engine idleing. If it is puffing oil you have blowby. Next do a compression test. I found three low cylinders. Took the engine apart and found 3 bent rods and 2 pistons with broken ringlands. The engine is now forged .
Reply
Old Dec 9, 2009 | 05:31 AM
  #4  
dynamowhum's Avatar
dynamowhum
Heel & Toe
 
Joined: Oct 2009
Posts: 16
Likes: 0
From: sulphur LA
Default

Okay newb question here. How did this happen? Was the motor weak to begin with or did he overboost a stock block? Your tolerance is appreciated.
Reply
Old Dec 9, 2009 | 07:45 AM
  #5  
BLOWNBLUEZ06's Avatar
BLOWNBLUEZ06
Tech Contributor
15 Year Member
All Eyes On Me
Photogenic
Liked
 
Joined: Apr 2007
Posts: 10,924
Likes: 78
From: Forney Texas
Default

tuning too close to the edge. Gasoline formulations recently changed to the winter mix, which increases the ethanol content and causes your engine to run slightly leaner. Tuned too close to the edge +/or 1 bad tank of fuel is enough to cause your problem. Cylinder pressures also rise with a colder air charge.
Reply
Old Dec 9, 2009 | 08:57 AM
  #6  
turbosnk's Avatar
turbosnk
Thread Starter
Advanced
 
Joined: Feb 2006
Posts: 58
Likes: 0
Default

Originally Posted by skywalker
I had that problem last spring. Start by pulling your oil filler cap off with the engine idleing. If it is puffing oil you have blowby. Next do a compression test. I found three low cylinders. Took the engine apart and found 3 bent rods and 2 pistons with broken ringlands. The engine is now forged .
Thanks, I think I have some work ahead of me for the spring.
Reply
Old Dec 9, 2009 | 11:30 AM
  #7  
East Tx Muscle Cars's Avatar
0East Tx Muscle Cars
Former Vendor
 
Joined: Oct 2007
Posts: 2,032
Likes: 6
From: longview tx
Default

Do you a compression check if all is good, then put another breather in the motor. that will help it breath better. This is what we do with ALL FI cars in our shop to help with this issue
Reply
Old Dec 9, 2009 | 09:09 PM
  #8  
turbosnk's Avatar
turbosnk
Thread Starter
Advanced
 
Joined: Feb 2006
Posts: 58
Likes: 0
Default

Originally Posted by East Tx Muscle Cars
Do you a compression check if all is good, then put another breather in the motor. that will help it breath better. This is what we do with ALL FI cars in our shop to help with this issue
Thanks, my motor seems to pass all the compression tests so maybe more breathing is the answer...............I hope.
Reply

Get notified of new replies

To STS Question

Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

8 Coolest Corvette Pace Cars (and Replicas) of All Time

 Verdad Gallardo
story-1

Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

 Joe Kucinski
story-2

Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

 Verdad Gallardo
story-3

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-4

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-5

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-6

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
story-7

2027 Corvette vs The World: Every C8 vs Its Closest Competitor

 Joe Kucinski
story-8

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
story-9

5 MOST and 5 LEAST Popular Corvette Model Years in History!

 Joe Kucinski




All times are GMT -4. The time now is 09:30 AM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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
story-9
5 MOST and 5 LEAST Popular Corvette Model Years in History!

Slideshow: 5 most and least popular Corvette model years.

By Joe Kucinski | 2026-04-08 13:25:01


VIEW MORE