C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

HELP AGAIN!!!! ASP underdrive pulley install

Thread Tools
 
Search this Thread
 
Old Apr 25, 2008 | 05:00 PM
  #1  
Bob Lobblah's Avatar
Bob Lobblah
Thread Starter
Instructor
15 Year Member
 
Joined: Jan 2007
Posts: 100
Likes: 0
From: Grand Junction Colorado
Default HELP AGAIN!!!! ASP underdrive pulley install

I am in the middle of my head cam swap and i am installing the new ASP underdrive pulley. It needs to go about another inch before it will line up for the belts and i am slowly turning the motor over now everytime i try to tighten the bolt more. I can "click" my torque wrench at 200 210lbs/ft. Any suggestions????
Reply
Old Apr 25, 2008 | 05:10 PM
  #2  
JCSZ51's Avatar
JCSZ51
Pro
20 Year Member
Veteran: Air Force
Conversation Starter
All Eyes On Me
 
Joined: Aug 2002
Posts: 688
Likes: 58
From: Freeburg IL
Cruise-In IX Veteran
Default

Not going to be what you want to hear, but I would wait and get a proper installer.

Several people have broken crank bolts in similar situations
Reply
Old Apr 25, 2008 | 05:36 PM
  #3  
lucky131969's Avatar
lucky131969
Tech Contributor
15 Year Member
Active Streak: 30 Days
Community Builder
Liked
 
Joined: Jan 2007
Posts: 19,341
Likes: 1,121
From: Dyer, IN
Default

Originally Posted by Bob Lobblah
I am in the middle of my head cam swap and i am installing the new ASP underdrive pulley. It needs to go about another inch before it will line up for the belts and i am slowly turning the motor over now everytime i try to tighten the bolt more. I can "click" my torque wrench at 200 210lbs/ft. Any suggestions????
Dude, I hope I am reading your post entirely wrong, but it sounds like you are installing the new balancer with a bolt. I hope this is not the case. If so, you are setting yourself up for a world of hurt. There is soo much information available on the correct way to install a balancer within this forum, and in the service manual.
Reply
Old Apr 25, 2008 | 06:48 PM
  #4  
vettenuts's Avatar
vettenuts
Team Owner
25 Year Member
Conversation Starter
All Eyes On Me
Photogenic
 
Joined: Mar 1999
Posts: 22,025
Likes: 192
From: At the beach in little Rhody
Default

He is probably following LS1howto, I with they would either fix that part of the web site instructions, warn someone of the consequences or just take the site down. I can't count how many guys have screwed up their crankshafts following that web site.

Don't use a bolt, get the bolt out of there and either rent or make a tool.

Reply
Old Apr 26, 2008 | 12:32 PM
  #5  
Mike94ZLT1's Avatar
Mike94ZLT1
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Jun 2002
Posts: 8,352
Likes: 102
From: In the pit, trying to love someone.
Default

DO NOT USE A BOLT. Take it from me... I broke a bolt off in the end of the crank. I then tried drilling it and using an EZ out... and the EZ out broke off in the end of the crank. The engine had to then be taken out of the car and taken to a place that does EDM... Electronic Discharge Machining. I cannot tell you how much of a pain in the *** that was, however it was very expensive and cost me alot of downtime. Get the proper tool. I also recommend throwing the balancer in the oven at 225 degrees for about a half an hour before you try putting it on, use gloves, and with the proper tool that puppy will slip right on. And no, 225 degrees will NOT harm the balancer in any way.
Reply
Old May 1, 2008 | 12:15 AM
  #6  
7camaro7's Avatar
7camaro7
Cruising
 
Joined: Apr 2008
Posts: 10
Likes: 0
Default

I just installed one on my car. I used the old bolt to mount it and I locked it down with the new bolt and some red locktite. Been fine ever since.

To get it on without turning the engine I put mine in 5th gear since my SS is a 6spd. For an auto, I hear you'd need to remove the starter and put a big screwdriver in the flywheel to keep it from turning.
Reply
Old May 1, 2008 | 01:52 AM
  #7  
tigerman's Avatar
tigerman
Pro
10 Year Member
 
Joined: Jul 2006
Posts: 642
Likes: 2
From: Fraser Michigan
Default

I just did mine...I used a longer bolt to pull it on enough. Then I used the old bolt to put it on all the way and the new bolt for final torque... 240 ...that was crazy..I thought my car was gonna come off the stands...
Reply
Old May 1, 2008 | 08:27 AM
  #8  
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

Originally Posted by 7camaro7
I just installed one on my car. I used the old bolt to mount it and I locked it down with the new bolt and some red locktite. Been fine ever since..
Consider yourself lucky that you didn't incur the nightmare that many others have incurred!
Originally Posted by 7camaro7
To get it on without turning the engine I put mine in 5th gear since my SS is a 6spd. For an auto, I hear you'd need to remove the starter and put a big screwdriver in the flywheel to keep it from turning
When properly installing it, you will need to lock up the engine. I did what 7camaro7 did except I put it in 4th or 5th and put on the e-brake. For an auto, you may be able to get enough resistance by using a compressor and a compression gauge, remove the spark plug, remove the schrader valve on the compression gauge and connect the compressor to it. I have a Snap-On compression gauge that allows me to directly connect my quick release hose chuck to the compression gauge and that is what you will need.
If you can't find some long thread and you have access to a MIG welder, you can do what I did. I bought 2 long bolts, cut the heads off, ground bevels in each end, clamped them in a piece of angle iron to keep them concentric and welded them together. I ground the welds smooth and used that for my balancer installer. I have used it 3 times and it works perfect every time.

Last edited by BLOWNBLUEZ06; May 1, 2008 at 08:31 AM.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

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

 Joe Kucinski
story-1

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

 Verdad Gallardo
story-2

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-3

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

 Michael S. Palmer
story-4

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

 Joe Kucinski
story-5

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

 Michael S. Palmer
story-6

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

 Joe Kucinski
story-7

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
story-8

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

 Joe Kucinski
story-9

2027 Corvette Buyer's Guide: Everything You Need to Know!

 Joe Kucinski
Old May 1, 2008 | 11:22 PM
  #9  
wayne2seater's Avatar
wayne2seater
Advanced
 
Joined: Mar 2008
Posts: 84
Likes: 0
From: Laplace Louisiana
Default

I have my car down as we speak and will be ordering a new balancer in the morning.Do anybody know what would be the best type to buy?
Reply
Old May 2, 2008 | 02:59 PM
  #10  
7camaro7's Avatar
7camaro7
Cruising
 
Joined: Apr 2008
Posts: 10
Likes: 0
Default

Originally Posted by BLOWNBLUEZ06
Consider yourself lucky that you didn't incur the nightmare that many others have incurred!


When properly installing it, you will need to lock up the engine. I did what 7camaro7 did except I put it in 4th or 5th and put on the e-brake. For an auto, you may be able to get enough resistance by using a compressor and a compression gauge, remove the spark plug, remove the schrader valve on the compression gauge and connect the compressor to it. I have a Snap-On compression gauge that allows me to directly connect my quick release hose chuck to the compression gauge and that is what you will need.
If you can't find some long thread and you have access to a MIG welder, you can do what I did. I bought 2 long bolts, cut the heads off, ground bevels in each end, clamped them in a piece of angle iron to keep them concentric and welded them together. I ground the welds smooth and used that for my balancer installer. I have used it 3 times and it works perfect every time.
lol yea, I had the hand brake on too. I remember a tool that would've probably worked for you. I don't remember the name of it, but what it does is loosen up bolts that are stripped. You put it on the stripped bolt or headless bolt and you take a hammer and hit it. The way it's built is when you hold the tool and you hit it, it twists inside to break the bolt loose the loosening way. I don't know the name of it but it looks like a screw driver without the shaft(only a handle and the little attachment at the end).
Reply

Get notified of new replies

To HELP AGAIN!!!! ASP underdrive pulley install





All times are GMT -4. The time now is 04:35 AM.

story-0
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-1
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-2
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-3
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-4
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-5
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-6
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-7
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-8
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
story-9
2027 Corvette Buyer's Guide: Everything You Need to Know!

Slideshow: 2027 Corvette buyer's guide

By Joe Kucinski | 2026-04-17 16:41:08


VIEW MORE