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

Single Mass Conversion

Thread Tools
 
Search this Thread
 
Old Jul 3, 2003 | 08:51 PM
  #1  
Stingray1970's Avatar
Stingray1970
Thread Starter
Racer
15 Year Member
 
Joined: Aug 2002
Posts: 253
Likes: 0
From: Strongsville Ohio
Default Single Mass Conversion

Whew!! Finally had enough time to finish the conversion ( F body flywheel, disk and Corvette p/plate ) My transmission was always noisy and it doesn't appear to be worse. The thing is as smooth as silk and no vibration to 5,000 rpm. Didn't see any reason to go any higher. Love the Ripper which I installed at this time also. Just thought I'd share my delight :thumbs:
Reply
Old Jul 3, 2003 | 09:34 PM
  #2  
kaiser's Avatar
kaiser
Instructor
10 Year Member
 
Joined: Oct 2000
Posts: 152
Likes: 0
From: des plaines, il
Default Re: Single Mass Conversion (Stingray1970)


How much is the weight difference between the f bpdy and the y body flywheel?
Reply
Old Jul 4, 2003 | 08:14 AM
  #3  
Stingray1970's Avatar
Stingray1970
Thread Starter
Racer
15 Year Member
 
Joined: Aug 2002
Posts: 253
Likes: 0
From: Strongsville Ohio
Default Re: Single Mass Conversion (kaiser)

If I remember correctly, the dm weighed 38 lbs and the sm weighed 19 lbs after I had it cut.
Reply
Old Jul 4, 2003 | 11:16 AM
  #4  
Rich B.'s Avatar
Rich B.
Melting Slicks
20 Year Member
 
Joined: Aug 2001
Posts: 2,516
Likes: 0
From: Lockport NY
Default Re: Single Mass Conversion (Stingray1970)

If I remember correctly, the dm weighed 38 lbs and the sm weighed 19 lbs after I had it cut.
How much material did you have removed? And did you need to use a special fork pivot?

(And what year C4 do you have???)


[Modified by Rich B., 11:18 AM 7/4/2003]
Reply
Old Jul 4, 2003 | 03:48 PM
  #5  
Stingray1970's Avatar
Stingray1970
Thread Starter
Racer
15 Year Member
 
Joined: Aug 2002
Posts: 253
Likes: 0
From: Strongsville Ohio
Default Re: Single Mass Conversion (Rich B.)

Rich, the car is a 91. Had .090 removed for $ 24.00. I replaced the ball stud and fork to be on the safe side, also replaced engine rear main and front and rear seal in the transmission. The only problem I had, was with the release bearing. The release bearing comes with the pressure plate and GM updated my p/plate to the most current production. I think GM made a transmission change mid 92, so if your car is 92 1/2 or newer you'll be ok. Otherwise the release bearing will have to be changed to the earlier style. The newer style release bearing won't fit over the front bearing retainer on the transmission. Hope this helps
Reply
Old Jul 4, 2003 | 07:19 PM
  #6  
tbwstingray's Avatar
tbwstingray
Pro
10 Year Member
 
Joined: Oct 2002
Posts: 626
Likes: 0
From: knoxville tn
Default Re: Single Mass Conversion (Stingray1970)

:cool: :cool: i am doing a conversion also, having trouble getting my bell housing off. all bolts are out, now what? :smash:
Reply
Old Jul 4, 2003 | 07:57 PM
  #7  
Rich B.'s Avatar
Rich B.
Melting Slicks
20 Year Member
 
Joined: Aug 2001
Posts: 2,516
Likes: 0
From: Lockport NY
Default Re: Single Mass Conversion (tbwstingray)

:cool: :cool: i am doing a conversion also, having trouble getting my bell housing off. all bolts are out, now what? :smash:
Whatever you do, DON'T HEAT IT!!! :eek:

There are two big locating studs on the sides; try gently hammering (:D ) each side (preferably with a deadened mallet) until you can get a prybar (OK, a screwdriver) between the joint and pry it off...
Reply
Old Jul 4, 2003 | 07:59 PM
  #8  
scorp508's Avatar
scorp508
Team Owner
Supporting Lifetime Gold
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Mar 2000
Posts: 83,381
Likes: 87
From: Boston, MA
Default Re: Single Mass Conversion (Rich B.)

Whatever you do, DON'T HEAT IT!!! :eek:
Magnesium? Hey its the 4th ya know! :D
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

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

 Joe Kucinski
story-1

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

 Verdad Gallardo
story-2

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

 Joe Kucinski
story-3

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

 Verdad Gallardo
story-4

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-5

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

 Michael S. Palmer
story-6

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

 Joe Kucinski
story-7

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

 Michael S. Palmer
story-8

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

 Joe Kucinski
story-9

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
Old Jul 5, 2003 | 12:16 AM
  #9  
tbwstingray's Avatar
tbwstingray
Pro
10 Year Member
 
Joined: Oct 2002
Posts: 626
Likes: 0
From: knoxville tn
Default Re: Single Mass Conversion (Rich B.)

:cool: :cool: i am doing a conversion also, having trouble getting my bell housing off. all bolts are out, now what? :smash:

Whatever you do, DON'T HEAT IT!!! :eek:

There are two big locating studs on the sides; try gently hammering (:D ) each side (preferably with a deadened mallet) until you can get a prybar (OK, a screwdriver) between the joint and pry it off...

no heat :eek: i ended up having to turn the pivot ball clockwisew a turn or two a that freed everything up. :smash: thanks for info :cheers: :flag
Reply
Old Jul 5, 2003 | 10:15 AM
  #10  
kaiser's Avatar
kaiser
Instructor
10 Year Member
 
Joined: Oct 2000
Posts: 152
Likes: 0
From: des plaines, il
Default Re: Single Mass Conversion (Stingray1970)


Thanks for the info.
Reply

Get notified of new replies

To Single Mass Conversion





All times are GMT -4. The time now is 05:44 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