66 GTO Frame and 66 Chevelle Frame - Hot Rod Forum : Hotrodders Bulletin Board
Hotrodders.com -- Hot Rod Forum



Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Engine
User Name
Password
lost password?   |   register now

Reply
 
LinkBack Thread Tools
  #1 (permalink)  
Old 12-29-2010, 08:21 AM
Registered User
 
Join Date: Dec 2010
Location: Riverside
Posts: 14
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
66 GTO Frame and 66 Chevelle Frame

I have a 66 GTO with a 454. I hear that the frame should be the same as a 66 Chevelle, but everytime I call around for Chevelle motor mounts they tell me they are not the same. Does anyone have the correct answer. Thanks

    Advertisement
Reply With Quote Quick reply to this message
Sponsored Links
Advertisement
 
  #2 (permalink)  
Old 12-29-2010, 09:02 AM
Registered User
 
Last wiki edit: Wheelbase database Last photo:
Join Date: Jan 2007
Location: Virginia
Posts: 3,618
Wiki Edits: 1

Thanks: 6
Thanked 163 Times in 150 Posts
Quote:
Originally Posted by jturbo7
I have a 66 GTO with a 454. I hear that the frame should be the same as a 66 Chevelle, but everytime I call around for Chevelle motor mounts they tell me they are not the same. Does anyone have the correct answer. Thanks
They are the same as far as the engine crossmember and motor mounts are concerned. Any differences are in the frame horn areas where the bumpers and core support attach and will not affect the motor mounts. Just tell them you have a Chevelle.
Reply With Quote Quick reply to this message
  #3 (permalink)  
Old 12-29-2010, 12:11 PM
Registered User
 
Join Date: Dec 2010
Location: Riverside
Posts: 14
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Thanks for the help Joe
Reply With Quote Quick reply to this message
  #4 (permalink)  
Old 12-29-2010, 12:14 PM
bigdog7373's Avatar
Of course it's fast
 
Last photo:
Join Date: May 2010
Location: florida
Posts: 2,670
Wiki Edits: 0

Thanks: 13
Thanked 49 Times in 49 Posts
Motor mounts should be the same no matter what car they're in.
Reply With Quote Quick reply to this message
  #5 (permalink)  
Old 12-29-2010, 01:43 PM
406 bug's Avatar
9.82 @ 139mph
 
Last wiki edit: Finding vacuum leaks Last photo:
Join Date: Nov 2007
Location: phoenix, arizona
Posts: 582
Wiki Edits: 1

Thanks: 0
Thanked 1 Time in 1 Post
Quote:
Originally Posted by jturbo7
I have a 66 GTO with a 454. I hear that the frame should be the same as a 66 Chevelle, but everytime I call around for Chevelle motor mounts they tell me they are not the same. Does anyone have the correct answer. Thanks
Maybe part of the confusion is the 454 in a 66. Ask for the 396/427 mount for the 66 Chevelle, since these were the bb's in 66. Just a thought.
Reply With Quote Quick reply to this message
  #6 (permalink)  
Old 12-29-2010, 03:19 PM
Bryan59EC's Avatar
Car? Truck? Who Cares
 

Last journal entry: First week of December
Last photo:
Join Date: Jun 2006
Location: San Antonio, Texas
Age: 54
Posts: 2,372
Wiki Edits: 0

Thanks: 2
Thanked 29 Times in 23 Posts
Only big difference between a Pontiac frame and the Chevrolet frame is the length of the frame rails behind the rear axle-----the Pontiac is a bit longer.

The Pontiac frame is essentially a Chevelle Wagon frame or a ElCamino frame without the extra boxing on the side rails.

(Lemans to Chevelle, 64-67)
Reply With Quote Quick reply to this message
  #7 (permalink)  
Old 12-29-2010, 03:24 PM
MARTINSR's Avatar
Brian Martin,Freelance adviser
 
Last photo:
Join Date: Jun 2004
Location: San francisco bay area
Age: 55
Posts: 13,367
Wiki Edits: 0

Thanks: 1,495
Thanked 1,267 Times in 1,110 Posts
Are you sure Bryan? I have had a number of 65 Skylarks and know them pretty well and have always been under the impression that ALL "A" body frames where the same within the same group like 66-67 Other than wagons, el caminos and convertibles (and a few freaks the the Gran Sports with boxed convertible frames even when a HT) were identical. I have never heard a single thing saying other wise. A 66 GTO, Chevelle, Skylark or Tempast would innerchange without so much as a bolt being out of place.

Brian
Reply With Quote Quick reply to this message
  #8 (permalink)  
Old 12-29-2010, 10:53 PM
Will I ever get it done?
 

Last journal entry: Left Front Fender
Last photo:
Join Date: Oct 2004
Location: Tulsa, OK
Age: 57
Posts: 1,049
Wiki Edits: 0

Thanks: 1
Thanked 3 Times in 3 Posts
The motor mount brackets which are bolted to the crossmember are different. The Chevy motor mounts are further forward on the block than the Pontiac mounts. You have to have Chevelle brackets on your crossmember or the engine will be in the firewall. The Chevelle brackets will bolt right on the GTO crossmember. Assuming you have the Chevelle brackets, all you need are the 66 Chevelle 396 motor mounts for your 454. The parts store guy doesn't need to know you have Poncho sheet metal surrounding it.
Reply With Quote Quick reply to this message
  #9 (permalink)  
Old 12-30-2010, 09:03 AM
Bryan59EC's Avatar
Car? Truck? Who Cares
 

Last journal entry: First week of December
Last photo:
Join Date: Jun 2006
Location: San Antonio, Texas
Age: 54
Posts: 2,372
Wiki Edits: 0

Thanks: 2
Thanked 29 Times in 23 Posts
Brian

I will double check this today

There is a 66 GTO in the body shop now, just a few feet from my elky.
Reply With Quote Quick reply to this message
  #10 (permalink)  
Old 12-30-2010, 11:22 AM
Bryan59EC's Avatar
Car? Truck? Who Cares
 

Last journal entry: First week of December
Last photo:
Join Date: Jun 2006
Location: San Antonio, Texas
Age: 54
Posts: 2,372
Wiki Edits: 0

Thanks: 2
Thanked 29 Times in 23 Posts
Brian

From the body mount just aft of the rear wheel to the rear of the frame, is approx 32" on both the Lemans/GTO and my ElCamino.

The Pontiac frame even has the holes in the frame to mount the ElCamino fuel tank----The ElCamino tank is strapped to a couple of brackets and then mounted to the frame. Passenger cars have the tank strapped to the body.

You might want to check the Buick when you get home today. You will probably get a 29" measurement or thereabouts.

This would be just for the 64-67 cars.

Bryan
Reply With Quote Quick reply to this message
  #11 (permalink)  
Old 12-30-2010, 11:33 AM
MARTINSR's Avatar
Brian Martin,Freelance adviser
 
Last photo:
Join Date: Jun 2004
Location: San francisco bay area
Age: 55
Posts: 13,367
Wiki Edits: 0

Thanks: 1,495
Thanked 1,267 Times in 1,110 Posts
Thank you Bryan, that is very well explained and interesting as all get out. I have never known that and thought I knew a lot about A bodies.

Thanks again, Brian
Reply With Quote Quick reply to this message
  #12 (permalink)  
Old 12-30-2010, 05:56 PM
Hippie's Avatar
Analog man in a digital world.
 

Last journal entry: HEI comparison.
Last photo:
Join Date: May 2003
Posts: 2,255
Wiki Edits: 0

Thanks: 3
Thanked 5 Times in 5 Posts
I've seen the Pontiac frame brackets used for the Chevy swap by relocating them for the Chevy motor mounts. It's not as clean as using the correct brackets, IIRC they hang over one edge of the K member slightly. It's been a couple decades or so.......

Back in the 70's the guy I bought my '67 GTO from had a '66 El Camino with the front clip from a SS396 Chevelle and the complete drivetrain from a rolled '67 GTO in it. It also had the complete dash, seats, floor shifter, console and door panels from the GTO. He said it was a total bolt in, no drilling or cutting anywhere except for the inner bolt holes on the bucket seats, shifter and console. It upset some of the Chevelle guys but once they found out it was originally a Plain Jane 6 banger and PG they got over it. He used it to tow his '65 GTO bracket car which it did quite well. The "El Poncho" saw an occasional run down the strip too and ran low 14's.
Reply With Quote Quick reply to this message
  #13 (permalink)  
Old 12-30-2010, 06:40 PM
Registered User
 

Last journal entry: Paint
Last photo:
Join Date: Sep 2010
Location: USA
Posts: 819
Wiki Edits: 0

Thanks: 0
Thanked 11 Times in 11 Posts
The 3 holes in the frame are in the same spot for either Chevy or Pontiac. You need the bracket that bolts to the frame for the engine you are using. You can buy the motor mounts from Autozone, they show them online. The Chevy mounts are 1/2 the price of the Pontiac mounts.
Reply With Quote Quick reply to this message

Recent Engine posts with photos

Quick Reply
Message:
Options

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

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


Similar Threads
Thread Thread Starter Forum Replies Last Post
67 Chevelle Convertable Frame Help, Please Metal Twister General Rodding Tech 9 04-10-2008 08:49 PM
Frame rot in the Chevelle, what now? 69ChevelleAddict General Rodding Tech 4 03-29-2006 06:00 PM
66 chevelle frame dbaud Suspension - Brakes - Steering 1 09-26-2004 03:20 PM
49 chev on chevelle frame? roadweasel Suspension - Brakes - Steering 4 01-29-2004 06:35 AM
whole frame 68 chevelle wiseguy50 Suspension - Brakes - Steering 5 05-06-2002 06:22 PM


All times are GMT -6. The time now is 12:25 PM.


Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright Hotrodders.com 1999 - 2012. All Rights Reserved.