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Username Post: ‘64 high horsepower cars        (Topic#353839)
Fossil_Fuel 
"6th Year" Silver Supporting Member
Posts: 1037
Fossil_Fuel
Age: 59
Loc: Minnesota
Reg: 09-11-07
11-09-18 06:53 PM - Post#2750939    

Was working under my car today and I was reminded of the extra frame brace that came on the 1964 409 and 327/300hp cars. I see many questions about how to tell what engine came in a car. This extra brace is right in front of the upper control arm frame attachment and only came on the 409 and 327/300hp cars in ‘64. If you don’t have one it came with 250hp or less. The welds are not the best looking that’s for sure. Just a bit of trivia for the day.



Attachment: 38348632-8C29-4444-B304-6795D6377E9B.jpeg (1.73 MB) 4 View(s)




Attachment: C98E29D1-5921-4C45-A89C-9F31A58CBF57.jpeg (2.29 MB) 1 View(s)




Craig
1964 Impala SS 327/300 since '76
1967 Impala SS 327 Triple Black Hardtop in the works
1967 Impala 327 Bench Seat 4-speed
http://craigaacars.shutterfly.com/pictures


Edited by Fossil_Fuel on 11-11-18 01:26 PM. Reason for edit: Corrected post after Verne jogged my memory.

 




turbo38s10 
"7th Year" Gold Supporting Member
Posts: 1590
turbo38s10
Loc: Agawam,MA
Reg: 09-17-09
11-10-18 06:27 AM - Post#2750967    
    In response to Fossil_Fuel

Looks to me like it was added by someone later on, kind of sloppy for a factory weld. I have mine up in the air and will have to give it a look and see if it is the same. Of course it could always have been done on a monday, ha ha.



 
Fossil_Fuel 
"6th Year" Silver Supporting Member
Posts: 1037
Fossil_Fuel
Age: 59
Loc: Minnesota
Reg: 09-11-07
11-10-18 08:11 AM - Post#2750974    
    In response to turbo38s10

Ha, mine was built Thursday afternoon or early Friday on the 25/26 June in Arlington TX. My recollection is that it was not done at the frame manufacture but was done during final assembly, this may be why the quality of welding is different than the rest of the frame. If you have an original 64 409 car you will see a similar brace.
Maybe it was Friday and payday!

Craig
1964 Impala SS 327/300 since '76
1967 Impala SS 327 Triple Black Hardtop in the works
1967 Impala 327 Bench Seat 4-speed
http://craigaacars.shutterfly.com/pictures


 
69_BOWTIE 
Senior Member
Posts: 1003

Loc: WYOMING,USA
Reg: 02-27-02
11-10-18 08:41 AM - Post#2750978    
    In response to Fossil_Fuel

I was under the impression that they have an extra torque arm(banana arm) on the drvs side. This would act like a 4 link and give equal strength to both sides of rear. My 63 ws all setup for this I got another arm and made some tabs for the rear housing drilled the holes for the center brace drivers side (they are already embossed ) Maybe 64 was different just giving my input

2001 Silverado 4X4
2005 FXDWGI
69 CHEVY Short Step
63 IMPALA 2/DR HRDTOP 327


 
turbo38s10 
"7th Year" Gold Supporting Member
Posts: 1590
turbo38s10
Loc: Agawam,MA
Reg: 09-17-09
11-10-18 10:25 AM - Post#2750994    
    In response to 69_BOWTIE

I've never heard of any of the cars coming from the factory with the 2nd upper rear control arm. The spot is there but you have to add the brackets the the rear axle and frame. It is a easy add but not factory and definetly helps with suspension.



 
Sweed62 
Senior Member
Posts: 1128
Sweed62
Loc: NotUS.Language warning#1
Reg: 10-24-04
11-10-18 10:29 AM - Post#2750995    
    In response to Fossil_Fuel

I have this brace on my -62 Tarrytown HT, double C-chape frame. It once, most probably, was original equipped with an L-6 and a manual 3-speed.

Svenne



 
turbo38s10 
"7th Year" Gold Supporting Member
Posts: 1590
turbo38s10
Loc: Agawam,MA
Reg: 09-17-09
11-10-18 12:45 PM - Post#2751007    
    In response to Fossil_Fuel

Here is mine, it's a 61 conv and it looks just as bad.

Attachment: rear_brace.jpg (829.94 KB) 0 View(s)




Attachment: rear_brace_1.jpg (684.86 KB) 0 View(s)






 
junky 
Valued Contributor
Posts: 2716

Loc: Northeast CT
Reg: 06-27-10
11-10-18 08:11 PM - Post#2751029    
    In response to turbo38s10

Was this brace installed on the wagons with the 300 HP 327 engine in 1962? thanks

Never argue with an idiot. He'll drag you down to his level, then beat you with experience.


 
Verne_Frantz 
61-64 Subject Matter Expert
Posts: 5470
Verne_Frantz
Loc: Hightstown,NJ USA
Reg: 08-22-00
11-10-18 08:13 PM - Post#2751030    
    In response to turbo38s10

The extra brace was on '64 models only with either a 300hp or one of the 409s. It's in the Assembly Manual, so it was added on the line at the plants, not as delivered by the frame manufacturer.

No full size Chevy ever left the assembly line with a driver's side upper rear control arm, not even the Z-11s. It is interesting that there was a pad on the cross frame panel to mount one, but it was never done at the assembly plants.

Verne



 
DZAUTO 
Senior Member
Posts: 8558

Loc: Mustang, OK, USA
Reg: 12-25-99
11-10-18 09:38 PM - Post#2751035    
    In response to Verne_Frantz

  • Verne_Frantz Said:
The extra brace was on '64 models only with either a 300hp or one of the 409s. It's in the Assembly Manual, so it was added on the line at the plants, not as delivered by the frame manufacturer.

No full size Chevy ever left the assembly line with a driver's side upper rear control arm, not even the Z-11s. It is interesting that there was a pad on the cross frame panel to mount one, but it was never done at the assembly plants.

Verne



Verne,
THANK YOU, THANK YOU, and THANK YOU!
You beat me to it.
Although, I must admit that I did not know that the 64 only got the extra brace. I always thought that was "owner" added.

Oh ya, how is the book progress?



 
4EyedTurd 
Contributor
Posts: 157

Reg: 02-04-14
11-11-18 06:15 AM - Post#2751048    
    In response to Verne_Frantz

So, when or who added the 4th rear control arm?

-64 Belair 6.0/6spd


 
Verne_Frantz 
61-64 Subject Matter Expert
Posts: 5470
Verne_Frantz
Loc: Hightstown,NJ USA
Reg: 08-22-00
11-11-18 06:21 AM - Post#2751049    
    In response to 4EyedTurd

  • 4EyedTurd Said:
So, when or who added the 4th rear control arm?



You'd have to find someone with a time machine to get that answer.

Verne



 
DZAUTO 
Senior Member
Posts: 8558

Loc: Mustang, OK, USA
Reg: 12-25-99
11-11-18 07:37 AM - Post#2751054    
    In response to 4EyedTurd

  • 4EyedTurd Said:
So, when or who added the 4th rear control arm?



They were aftermarket/owner installed. NOT by Chevrolet.
As Verne mentioned, not even the 63 Z11 cars got the 4th arm.



 
Verne_Frantz 
61-64 Subject Matter Expert
Posts: 5470
Verne_Frantz
Loc: Hightstown,NJ USA
Reg: 08-22-00
11-11-18 12:38 PM - Post#2751070    
    In response to Fossil_Fuel

  • Fossil_Fuel Said:
Was working under my car today and I was reminded of the extra frame brace that came on the 1964 409 and 327/300hp cars. I see many questions about how to tell what engine came in a car. This extra brace is right in front of the fuel tank and only came on the 409 and 327/300hp cars in ‘64. If you don’t have one it came with 250hp or less. The welds are not the best looking that’s for sure. Just a bit of trivia for the day.





That thin horizontal brace you're talking about was on ALL the cars.
I was talking about the small brace that only appeared in '64 and was in front of the upper control arm.

Verne




Edited by Verne_Frantz on 11-11-18 12:39 PM. Reason for edit: No reason given.

 
Fossil_Fuel 
"6th Year" Silver Supporting Member
Posts: 1037
Fossil_Fuel
Age: 59
Loc: Minnesota
Reg: 09-11-07
11-11-18 01:24 PM - Post#2751074    
    In response to Verne_Frantz

Thanks for correcting me Verne!
I corrected my original post.



Attachment: BE3E89BE-DBC7-48A0-ADF3-51F0BCAE9B04.jpeg (2.4 MB) 0 View(s)


Extra upper control arm brace on 1964 327/300hp and 409 cars


Craig
1964 Impala SS 327/300 since '76
1967 Impala SS 327 Triple Black Hardtop in the works
1967 Impala 327 Bench Seat 4-speed
http://craigaacars.shutterfly.com/pictures


 
dogdish 
Senior Member
Posts: 407

Loc: Suburban Chicago
Reg: 11-25-05
11-11-18 01:31 PM - Post#2751075    
    In response to Fossil_Fuel

Thanks for correcting this post Verne. I was scratching my head over the first pics posted.

Bob G.
1964 Belair barn find
409/4speed NOM
8700 orig. miles
never restored


Edited by dogdish on 11-11-18 01:31 PM. Reason for edit: No reason given.

 
junky 
Valued Contributor
Posts: 2716

Loc: Northeast CT
Reg: 06-27-10
11-11-18 06:23 PM - Post#2751090    
    In response to Fossil_Fuel

Is the 4th upper control arm a worthwhile benefit to add to the car? Does it add to the stability of the car?

Never argue with an idiot. He'll drag you down to his level, then beat you with experience.


 
69_BOWTIE 
Senior Member
Posts: 1003

Loc: WYOMING,USA
Reg: 02-27-02
11-11-18 06:37 PM - Post#2751093    
    In response to junky

Sure cant hurt anything ,I put one in mine as the frame was pretty well tore off on the pass. side and I had a parts car to get one off of. Now I just need a posi to test it out.

2001 Silverado 4X4
2005 FXDWGI
69 CHEVY Short Step
63 IMPALA 2/DR HRDTOP 327


 
Verne_Frantz 
61-64 Subject Matter Expert
Posts: 5470
Verne_Frantz
Loc: Hightstown,NJ USA
Reg: 08-22-00
11-11-18 09:31 PM - Post#2751109    
    In response to dogdish

  • dogdish Said:
Thanks for correcting this post Verne. I was scratching my head over the first pics posted.



So was I. Thank you for making me take a closer look. Sometimes confusing posts promote confusing responses. I think we all should be clear on this now.

Verne



 




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