Forums
New posts
Search forums
What's new
New posts
Latest activity
Members
Registered members
Current visitors
Log in
Register
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
'73 - '87 GM Truck Modifications
Tech Discussion
How do I know if I have HEI, and if I don't have it, should I upgrade
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Members who reacted to message #96
All
(1)
Like
(1)
Oct 6, 2019
Dan Miller
K15SG
·
From
Indiana
Posts
385
Reaction score
579
Points
93
Loading…
Latest posts
Is this a bullet hole?!?
Latest: Rusty Nail
2 minutes ago
Interior
How much paint do I need?
Latest: Sad Sack
26 minutes ago
Exterior
Mystery of the disappearing brake fluid...
Latest: WesN
33 minutes ago
Brakes
1977 K10 9j9 sport deluxe stepside with factory tach and roll bar.
Latest: malibuman402
41 minutes ago
Introduction
SoCal
Latest: malibuman402
55 minutes ago
Introduction
Forum statistics
Threads
48,414
Posts
1,066,908
Members
42,800
Latest member
wshoneybadger
Forums
'73 - '87 GM Truck Modifications
Tech Discussion
How do I know if I have HEI, and if I don't have it, should I upgrade
Top
1977 K10 9j9 sport deluxe stepside with factory tach and roll bar.