C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

OEM roller cam conversion

Thread Tools
 
Search this Thread
 
Old Oct 20, 2010 | 11:17 AM
  #1  
65air_coupe's Avatar
65air_coupe
Thread Starter
Melting Slicks
20 Year Member
Veteran: Army
Conversation Starter
Loved
 
Joined: Mar 2004
Posts: 2,964
Likes: 419
From: Melbourne FL
Default OEM roller cam conversion

I bought the parts a couple of years back and have now lost the instructions on modifying pre 85 blocks for this conversion. Can someone upload or email them to me?

TIA

pdeinc01 at gmail dot com
Reply
Old Oct 20, 2010 | 11:34 AM
  #2  
MelWff's Avatar
MelWff
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2006
Posts: 18,692
Likes: 2,572
Default

http://www.chevyhiperformance.com/te...cam/index.html
Reply
Old Oct 20, 2010 | 01:17 PM
  #3  
65air_coupe's Avatar
65air_coupe
Thread Starter
Melting Slicks
20 Year Member
Veteran: Army
Conversation Starter
Loved
 
Joined: Mar 2004
Posts: 2,964
Likes: 419
From: Melbourne FL
Default

Thanks but I am looking for the instructions that cover using OEM dogbones and spider. There are slight modifications required to the lifter valley, tapped holes for the spider and some clearancing for the dog bones. It's that latter part I'm interested in. Pictures would be great if anyone has done that mod themselves.
Reply
Old Oct 20, 2010 | 02:37 PM
  #4  
toddalin's Avatar
toddalin
Le Mans Master
25 Year Member
Liked
Loved
Top Answer: 3
 
Joined: Oct 2000
Posts: 8,897
Likes: 1,355
From: Santa Ana CA
Default

You may find this information useful too.

http://www.carcraft.com/techarticles...ock/index.html
Reply
Old Oct 20, 2010 | 03:19 PM
  #5  
dochorsepower's Avatar
dochorsepower
Drifting
10 Year Member
 
Joined: Sep 2010
Posts: 1,412
Likes: 50
From: Laguna Niguel California
Default

I think I know what you're talking about. Several years back there was a guy on Ebay selling instructions on how to clearance the back of the lifter bore casting area for the dogbones, also the listing for the short V-6 style roller lifters. He also hinted that he had some issues with oiling quantity to the rocker arms. Personally I wouldn't recommend this method unless you're open to a lot of experimentation, trouble-shooting and risk to your engine build. Go with after market retrofit roller followers.
Reply
Old Oct 20, 2010 | 03:37 PM
  #6  
midyearvette's Avatar
midyearvette
Le Mans Master
Supporting Lifetime Gold
 
Joined: Nov 2008
Posts: 5,691
Likes: 12
From: columbus oh
Default

Originally Posted by dochorsepower
I think I know what you're talking about. Several years back there was a guy on Ebay selling instructions on how to clearance the back of the lifter bore casting area for the dogbones, also the listing for the short V-6 style roller lifters. He also hinted that he had some issues with oiling quantity to the rocker arms. Personally I wouldn't recommend this method unless you're open to a lot of experimentation, trouble-shooting and risk to your engine build. Go with after market retrofit roller followers.
i can't imagine the machine work required to put the later style set up in an older build, it has to at least match or exceed the cost of the retro roller setup...jmo...
Reply
Old Oct 20, 2010 | 04:10 PM
  #7  
Scott Marzahl's Avatar
Scott Marzahl
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2005
Posts: 6,347
Likes: 418
From: Seattle Area WA
Default

Ya, DurangoBoy had those instructions. He emailed them to me years ago but the whole thing was such a kluge I deleted the document. He might be over on the "other" site.
Reply
Old Oct 20, 2010 | 04:12 PM
  #8  
crf311's Avatar
crf311
Melting Slicks
20 Year Member
Conversation Starter
All Eyes On Me
Liked
 
Joined: Jan 2003
Posts: 3,029
Likes: 94
From: meraux LA
Default

I got them, just need to find them. I'll let you know.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

 Michael S. Palmer
story-1

Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

 Joe Kucinski
story-2

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

 Joe Kucinski
story-3

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

 Verdad Gallardo
story-4

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

 Joe Kucinski
story-5

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

 Verdad Gallardo
story-6

Top 10 Corvettes Coming to Mecum Indy 2026!

 Brett Foote
story-7

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

 Michael S. Palmer
story-8

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

 Joe Kucinski
story-9

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

 Michael S. Palmer
Old Oct 20, 2010 | 04:13 PM
  #9  
crf311's Avatar
crf311
Melting Slicks
20 Year Member
Conversation Starter
All Eyes On Me
Liked
 
Joined: Jan 2003
Posts: 3,029
Likes: 94
From: meraux LA
Default

Found them. They are in PDF file what's your email?
Reply
Old Oct 20, 2010 | 04:25 PM
  #10  
Scott Marzahl's Avatar
Scott Marzahl
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2005
Posts: 6,347
Likes: 418
From: Seattle Area WA
Default

Its in his first post.
Reply
Old Oct 20, 2010 | 04:51 PM
  #11  
fotyfobravo's Avatar
fotyfobravo
Drifting
10 Year Member
 
Joined: May 2005
Posts: 1,909
Likes: 6
From: Lake Arrowhead - Georgia > 72 Base Coupe & 74 BB Roadster
Default

Originally Posted by Scott Marzahl
Ya, DurangoBoy had those instructions. He emailed them to me years ago but the whole thing was such a kluge I deleted the document. He might be over on the "other" site.

Wow...DurangoBoy.......haven't heard that in a while...where'd he go?
Reply
Old Oct 20, 2010 | 04:59 PM
  #12  
Scott Marzahl's Avatar
Scott Marzahl
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Apr 2005
Posts: 6,347
Likes: 418
From: Seattle Area WA
Default

He was banned from camp for something to do with the moderators. Maybe over at digital, don't know.
Reply
Old Oct 20, 2010 | 05:03 PM
  #13  
crf311's Avatar
crf311
Melting Slicks
20 Year Member
Conversation Starter
All Eyes On Me
Liked
 
Joined: Jan 2003
Posts: 3,029
Likes: 94
From: meraux LA
Default

Sent it
Reply
Old Oct 20, 2010 | 06:38 PM
  #14  
65air_coupe's Avatar
65air_coupe
Thread Starter
Melting Slicks
20 Year Member
Veteran: Army
Conversation Starter
Loved
 
Joined: Mar 2004
Posts: 2,964
Likes: 419
From: Melbourne FL
Default

Got it...thanks so much!

I gave this serious consideration when I first was looking at building my 406 and after looking at the pictures and reading the instructions, it's really not much of a job at all. I had the machine shop that was doing the other work on the block face, drill and tap the holes for the spider so all I have to do is a bit of grinding for dogbone clearance.

The oiling issue is news to me but should be simple to ascertain before putting it on the road.
Reply

Get notified of new replies

To OEM roller cam conversion





All times are GMT -4. The time now is 06:28 PM.

story-0
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-1
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-2
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-3
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-4
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-5
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-6
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-7
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-8
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-9
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