Author Topic: 4 speed transmission crossmember  (Read 343 times)

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Offline dlmwtvl

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4 speed transmission crossmember
« on: July 21, 2018, 09:38:31 AM »
I have boxed the frame, on my 65 Skylark.
 I am looking for a GS, or convertible, 4 speed crossmember.
Even some pictures would be helpful. I may be able to retrofit the original crossmember, if I cant find one.

Thank you,

David
BCA #49105
ASE Master Tech
1966 Le Sabre 4Dr. HT 340 2bbl.
1968 Wildcat Conv. 430
1968 Riviera 430
1965 Skylark 2Dr. Post (Now 401 4 speed)
1977 Le Sabre 2Dr. w/1970 stg.1 455
1965 Buick Skylark 2Dr. sport coupe.

Offline cwmcobra

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Re: 4 speed transmission crossmember
« Reply #1 on: July 21, 2018, 05:26:33 PM »
I might be uninformed, but I thought that the crossmembers were the same for auto and manual transmissions.  I'm sure there are others here that can correct me.....

 :cheers2:

Chuck
65 Skylark GS Convertible: Verde Green/401/2x4 BBL/4-speed/3.36 Posi - AACA National & Senior Grand National - BHA Outstanding GS - BCA Senior Gold - GS Nationals GS Concours Gold
69 AMX: 390/TKX 5-speed/3.91 Posi

BCA 48497
AACA 911006

Offline marxjunk

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Re: 4 speed transmission crossmember
« Reply #2 on: July 21, 2018, 10:46:18 PM »
whats unique is convertible..not manual trans..i think they are repopped even...i think 65-66 are the same

Offline WkillGS

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Re: 4 speed transmission crossmember
« Reply #3 on: July 22, 2018, 08:55:56 AM »
I have boxed the frame, on my 65 Skylark.
.....

What did you box the frame with? The original reinforcements from a convertible or GS, or something custom?
The transmission crossmember mounts are on the frame reinforcements. In this pic you can see the standard vs vert/GS mount.
Walt K
Eastern Pa

66 GS Astro Blue/blue 425 auto
66 GS Silver Mist/black 401 4 spd
66 GS Flame Red/black 401 5 spd
66 GS Saddle Mist/black 401 L76 auto
66 Special Flame Red/black 300 5 spd
65 GS vert Verde Green/ Saddle buckets 401 4 spd
79 Turbo Regal

Offline dlmwtvl

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Re: 4 speed transmission crossmember
« Reply #4 on: July 22, 2018, 09:48:44 AM »
The boxing kit came from ABC performance.
I ended up, cutting the ends off the original crossmember.
 I welded in angle iron for it to sit on.

When I get the engine and transmission on the frame, I will drill and bolt the crossmember to the angle iron.
BCA #49105
ASE Master Tech
1966 Le Sabre 4Dr. HT 340 2bbl.
1968 Wildcat Conv. 430
1968 Riviera 430
1965 Skylark 2Dr. Post (Now 401 4 speed)
1977 Le Sabre 2Dr. w/1970 stg.1 455
1965 Buick Skylark 2Dr. sport coupe.

Offline marxjunk

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Re: 4 speed transmission crossmember
« Reply #5 on: July 22, 2018, 11:32:36 AM »
if you boxed it yourself..then a factory convert will be too short..

just cut the ends off of the hardtop frame and drill new holes..who cares if they are 2 inches apart or 4...the factory one necks down on the ends..you have mechanical aptitude if you can box the frame...so..why not modify the hardtop cross member....