Technical Bulletins

HO77 and HO78

Comparison between the HO77 and HO78 torque converter
Download >>  

JATCO Converters

Visual differences in various late model JATCO style torque converters
Download >>  

Mercedes-Benz Lock Up Converters

How to identify Mercedes-Benz lock up converters
Download >>  

AX4N/S ID Chart

AX4N and AX4S identification and simplification chart
Download >>  

HO80

HO80 features, benefits and DNA information
Download >>  

GM92

GM92 information
Download >>  

FM68HD

FM68HD information
Download >>  

CR94 Series

CR94 series comparisons and information
Download >>  

GM31, GM33, GM35

Series comparison
Download >>  

FM69 Series

FM69 series comparisons and information
Download >>  

FM71

FM71 features and DNA information
Download >>  

FM64

FM64 features and DNA information
Download >>  

CR7801

CR7801 features and DNA information
Download >>  

4L80E ID Chart

Torque converter comparisions - Billet vs. OEM dampers
Download >>  

FM1603-S1

FM1603-S1 features and DNA information
Download >>  

GM4401

GM4401 features and DNA information
Download >>  

VW 096 and 01M

Stud information
Download >>  

VW 096 Series

VW17, VW20 and VW21 comparison
Download >>  

CR70X Series

CR70X series features and benefits
Download >>  

A3HD

A3HD upgrade information
Download >>  

A6HD

A6HD upgrade information
Download >>  

A7X

A7X product information
Download >>  

CR70X

CR70X product information
Download >>  

CR70X-S1

CR70X-S1 product information
Download >>  

CR70X-S3

CR70X-S3 product information
Download >>  

GM58, GM59, GM61 Series

Impeller hub information
Download >>  

ECCC Theory

Theory of controlled converter slippage
Download >>  

Torque Converters - Chevy Colorado and GMC Canyon

Identification chart
Download >>  

E4OD/4R100 4 and 6 Stud Converters

Comparing the differences between the FM64DX-S3 and the FM64RX-S3
Download >>  

FM134HD

Compares the differences among A4LD, 4R44E, 4R55E and 5R55E converters
Download >>  

4R100/5R110W Converters

Compares the differences between 4R100 and 5R110W converters
Download >>  

GM18A-HP and GM15-HP

Features and benefits of these high performance converters
Download >>  

DA28 and DA48

DA28 and DA48 interchange announcement
Download >>  

E4OD/4R100 Overview

Comparing the differences among the converters used in these transmissions
Download >>  

FM138 and FM138-8 Upgrade

Highlights features and benefits of the OEM type and Aftermarket upgraded converters for 5R55N/W/S
Download >>  

4L60E/4L65E/4L70E

Aux. Valve Body Assembly
Download >>