stock eliminator 1967 gto/tempest - Pontiac GTO Forum
User Tag List

  • 1 Post By bigD
LinkBack Thread Tools Display Modes
post #1 of 2 (permalink) Old 04-01-2018, 07:27 PM Thread Starter
Join Date: Apr 2018
Location: Hays Kansas
Posts: 1
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
stock eliminator 1967 gto/tempest

My family and i have a 1967 gto and a 1968 firebird both of which are sportsman/pro bracket cars. My brother has been looking into running the firebird in stock because it other guys are doing it and they are competitive with their combination. I was just looking for laughs at what class the 1967 gto would fall into. I saw that with the 335 hp combo it would naturally be be a g/sa. Why has nobody done the gto with this hp combination before? I don't think it would be too hard to get it to run under the 12.00 index. Are the other cars running in g and h stock auto just at a much better advantage than the gto would be? When comparing it to the 325 hp firebird combination it doesn't sound too bad. Both are 400 ci. rated within 10 hp of each other. Cam lifts for pontiac are all about the same at .420 The only difference I can see would be the weight of the car (which is why its a slower class than the firebird) and the heads. The firebird would use the 16 casting which I've heard is the best pontiac D-port casting. I think I've come to the conclusion that the gto could use the 670 head which is another good head and it's closed chamber. I know the firebird is a good combo, I'm wanting to know why not the GTO. All answers are appreciated thankyou.
15bhardwick is offline  
Sponsored Links
post #2 of 2 (permalink) Old 04-01-2018, 08:01 PM
Join Date: Jul 2016
Location: North Louisiana
Posts: 524
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 54 Post(s)
Well, Randi Lyn Shipp is doing great with a 670 headed 400, in her '67 Bird, running mid 10's. Bryan Phillips also has one that runs good. Don't know if either would be willing to give up any of their Pontiac speed secrets or not.

If this info is correct, the GTO has a 330 NHRA hp factor, vs 338 for the Bird. So, even tho the A-body has an aerodynamic disadvantage, I see no reason why a '67 GTO could not be easily built to run under it's index.

I don't know of a single '67 or older GTO still in Stock competition. In fact, I don't remember ever seeing a competitive '67. I've seen several '68-'72 GTO's in Stock/SS, in recent years.

There was a time when the 3-deuce 4-speed GTO was very competitive. But, nowadays, the Q-jet equipped auto trans Pontiacs are more competitive in Stock & SS.
Attached Thumbnails
Click image for larger version

Name:	Bryan Phillips.jpg
Views:	24
Size:	68.7 KB
ID:	107834  
1968gto421 likes this.

Last edited by bigD; 04-01-2018 at 09:07 PM.
bigD is online now  
Sponsored Links

  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, LeMans & GTO Engine Tuning and High Performance

Quick Reply

Register Now

In order to be able to post messages on the Pontiac GTO Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Similar Threads
Thread Thread Starter Forum Replies Last Post
1967 Tempest Search CHIEF73 1964-1974 Tempest, LeMans & GTO Technical and Electrical Wiring 0 01-29-2015 08:10 PM
1967 Tempest Build Pontiac_Madness 1964-1974 Tempest, LeMans & GTO Projects, Barn Finds & Restoration Discussions 28 05-29-2013 09:18 AM
Color question for 1967 Tempest jday240 1964-1974 Tempest, Lemans & GTO General Discussion 5 07-09-2012 09:12 AM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

For the best viewing experience please update your browser to Google Chrome