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Are SB and BB Auto transmissions the same?

Started by Corellian Corvette, June 21, 2008, 11:55:32 PM

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Corellian Corvette

June 21, 2008, 11:55:32 PM
Just found out my BB transmission that came out of my 68 Charger is junk. It was the original tranny and the case is cracked in several important places. Transmission builder is looking for a core. Are the SB and BB A727 transmissions the same?

Also - if anyone in the Seattle area has a core for sale, let me know! Thanks!

tecmopar

#1
June 22, 2008, 03:12:27 AM
Sorry but no they are not, different bolt pattern to the block.

Ghoste

#2
June 22, 2008, 08:27:57 AM
But if you have a small block 727 already, you should have no trouble at all finding someone who'll trade you for a big block one.  The sb ones are pretty uncommon.

Mike DC

#3
June 22, 2008, 09:29:23 AM
The SB and BB motors had different patterns on the back of the block for the tranny bellhousing.  (Don't you just LOVE the factory's choice to do that?)

The T-flites from that era basically fell into two categories:  The bigger/stronger 727 version for the BB motors, and the smaller/weaker 904 version for the SB motors. 

The factory also built some of the performance SB motors (like the 4-barrel 340s for example) with a 727 version that wore the SB bellhousing pattern.  These are less common than the other two versions of T-flites. 

Corellian Corvette

#4
June 22, 2008, 01:42:00 PM
Anyone in the seattle area have a CORE for sale?!  :'(

Death1970Proof

#5
June 22, 2008, 09:41:33 PM
Even though the sb and bb transmissions have a different bellhousing size the guts are fully interchangeable  :2thumbs:
"Remember when I said this car was death proof? Well that wasnt' a lie-this car is 100%death proof- only to get the benefit of it honey you really need to be sitting in my seat"...

chargerman68

#6
June 23, 2008, 12:34:53 AM
Quote from: Corellian Corvette on June 22, 2008, 01:42:00 PM
Anyone in the seattle area have a CORE for sale?!  :'(


i have an extra but im in san diego,ca
1968 CHARGER R/T CLONELOOKING FOR ANOTHER PROJECT 69-70 CHARGER SHELL

Corellian Corvette

#7
June 23, 2008, 01:05:43 AM
The case is the part that is all busted up, so I need the BB case.

If you have one - LMK. I'm sure shipping will suck.

tecmopar

#8
June 23, 2008, 03:00:59 AM
It wouldn't hurt to try a few local boneyards or even some local tranny shops and see what you can find, you may be surprised.

RD

#9
June 23, 2008, 09:44:14 PM
send me a pic of what you need to racedodge@hotmail.com  i know i have it.
67 Plymouth Barracuda, 69 Plymouth Barracuda, 73 Charger SE, 75 D100, 80 Sno-Commander

chargerman68

#10
June 24, 2008, 08:52:00 PM
Quote from: Corellian Corvette on June 23, 2008, 01:05:43 AM
The case is the part that is all busted up, so I need the BB case.

If you have one - LMK. I'm sure shipping will suck.

a have 2 bb trans running condition

but they are in san diego,ca 92124
1968 CHARGER R/T CLONELOOKING FOR ANOTHER PROJECT 69-70 CHARGER SHELL

Steve P.

#11
June 25, 2008, 11:04:34 PM
You can check here in the parts for sale section and also on Craigslist in your area.. I have done well on Craigslist..



:cheers:
Steve P.
Holiday, Florida
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