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Do I want a reverse Manual Trans? 74 cuda. #1193304
03/08/12 11:08 AM
03/08/12 11:08 AM
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eastern, pa.
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cudabitten Offline OP
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Hey, What are the pros and cons of a reverse manual trans? Will it fit in the automatic console that came with my 74 barracuda? Can you drive it without shifting?
I'm looking at serveral engines, that include transmissions with this modification. (727's mostly)

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: cudabitten] #1193305
03/08/12 05:43 PM
03/08/12 05:43 PM
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Indiana
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Pentastar440 Offline
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Indiana
No, you cannot drive it without shifting.

Yes it will work with your stock shifter. There is a gate on your shifter that you must press the button in order to shift from 'D' to '2' , you can simply grind it off so that the shifter can be pulled from 'D' directly back to '2' without pressing the button , then you can press the button to shift from '2' into '3' . Remember it is reverse pattern, 'D' will be 1st gear , '2' will be 2nd gear and '1' will be 3rd gear.

With a manual valve body you will not need the kick-down linkage.


'65 Belvedere II - 446-Indy,727 transbrake,Dana 4.56


'38 Plymouth 4Dr - 408SixPack, A518, Dana60 4:10
Re: Do I want a reverse Manual Trans? 74 cuda. [Re: cudabitten] #1193306
03/08/12 06:10 PM
03/08/12 06:10 PM
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Irving, TX
feets Offline
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Skip the reverse manual trans unless you're building a drag car.
There's no good reason for that on the street.


We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
Re: Do I want a reverse Manual Trans? 74 cuda. [Re: cudabitten] #1193307
03/08/12 07:25 PM
03/08/12 07:25 PM
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Mass
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There's two types of "manual" valve bodies, the "manual/automatic" (B&M Transpak) where you retain your kick down linkage, and still retain "automatic" features, but when required you can have improved manual shifts, then there's the FULL manual valve body (B&M Manualpak), they can be built in "forward" (standard PNR321 pattern) or reverse pattern (PRN123), the kick down linkage is eliminated, full shifting is required all the time, just like driving a manual, but without a clutch pedal,...I had a reverse pattern full manual 904 then a full manual forward pattern 727 in my Challenger T/A before swapping in a 4 spd 883,....I rather enjoyed it on the strip or street, beaware there's other mods to perform to the tranny to accept a "manual valve body", in the way of changes to the govenor, and the servos, B&M makes a good "manualpak" kit for modifying your existing trans, attempt it only if your well versed in automatic transmission rebuilding, and have the tools to perform the work, as complete disassembly is required

Mike

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: feets] #1193308
03/08/12 07:29 PM
03/08/12 07:29 PM
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NE Oklahoma
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Quote:


There's no good reason for that on the street.






72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.
Re: Do I want a reverse Manual Trans? 74 cuda. [Re: DAYCLONA] #1193309
03/08/12 08:43 PM
03/08/12 08:43 PM
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Rio Linda, CA
John_Kunkel Offline
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Quote:

There's two types of "manual" valve bodies, the "manual/automatic" (B&M Transpak) where you retain your kick down linkage, and still retain "automatic" features, but when required you can have improved manual shifts,




Manual/automatic is a marketing gimmick....a bone stock VB can be shifted manually.


The INTERNET, the MISinformation superhighway
Re: Do I want a reverse Manual Trans? 74 cuda. [Re: cudabitten] #1193310
03/08/12 09:00 PM
03/08/12 09:00 PM
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oklahoma
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forphorty Offline
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oklahoma
I have RMVBs in all three of my cars. I really dislike "automatics".

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: cudabitten] #1193311
03/08/12 09:08 PM
03/08/12 09:08 PM
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JohnRR Offline
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Quote:

Can you drive it without shifting?





Sure can , it will start in what ever gear you put it in and will never change from that gear .

The question I have is do you WANT a manual shift auto trans ?

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: John_Kunkel] #1193312
03/08/12 09:10 PM
03/08/12 09:10 PM
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Quote:

Quote:

There's two types of "manual" valve bodies, the "manual/automatic" (B&M Transpak) where you retain your kick down linkage, and still retain "automatic" features, but when required you can have improved manual shifts,




Manual/automatic is a marketing gimmick....a bone stock VB can be shifted manually.





Re: Do I want a reverse Manual Trans? 74 cuda. [Re: cudabitten] #1193313
03/08/12 09:10 PM
03/08/12 09:10 PM
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Dandridge TN
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Dabee Offline
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I have a reverses manual Valve body in my 69 Bee and love it. I installed a Hurst Pro-Matic under the counsel. I didn’t like using the stock shifter with the RMVB. It just didn’t feel right to me. I prefer the feel of the gates in the pro matic.

7109700-shifter001.jpg (104 downloads)
Re: Do I want a reverse Manual Trans? 74 cuda. [Re: Dabee] #1193314
03/08/12 09:12 PM
03/08/12 09:12 PM
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JohnRR Offline
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Quote:

I have a reverses manual Valve body in my 69 Bee and love it. I installed a Hurst Pro-Matic under the counsel. I didn’t like using the stock shifter with the RMVB. It just didn’t feel right to me. I prefer the feel of the gates in the pro matic.




You can buy a new gate plate to change the stock shifter to correct the FEEL .

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: JohnRR] #1193315
03/08/12 09:15 PM
03/08/12 09:15 PM
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Dandridge TN
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Quote:

Quote:

I have a reverses manual Valve body in my 69 Bee and love it. I installed a Hurst Pro-Matic under the counsel. I didn’t like using the stock shifter with the RMVB. It just didn’t feel right to me. I prefer the feel of the gates in the pro matic.




You can buy a new gate plate to change the stock shifter to correct the FEEL .




I did that. That gate plate is a pirce of @#^%$@)(&^%. That's why I installed the hurst Pro-Matic.

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: Dabee] #1193316
03/08/12 11:39 PM
03/08/12 11:39 PM
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NEW JERSEY
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manual reverse trans is great..what else are you gonna do with the right arm/hand...place it on the armrest if you have one..it's a lot of fun than just placing it in Drive ...

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: John_Kunkel] #1193317
03/09/12 01:05 AM
03/09/12 01:05 AM
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Mass
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Quote:

Quote:

There's two types of "manual" valve bodies, the "manual/automatic" (B&M Transpak) where you retain your kick down linkage, and still retain "automatic" features, but when required you can have improved manual shifts,




Manual/automatic is a marketing gimmick....a bone stock VB can be shifted manually.








.....

7110091-bms.JPG (65 downloads)
Re: Do I want a reverse Manual Trans? 74 cuda. [Re: DAYCLONA] #1193318
03/09/12 08:17 AM
03/09/12 08:17 AM
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Holland MI Ottawa
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2boltmain Offline
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What is the feature that eliminates engine torque braking? Low band apply? You know- with a manual VB when you put it into 1st from 2nd the engine is decoupled from the trans- like putting a manual into neutral. I dont know the terminology but had 2 cars with full manual reverse VBs and both were no problems on the street.

Last edited by 2boltmain; 03/09/12 08:28 AM.

Keep old mopars alive.
Re: Do I want a reverse Manual Trans? 74 cuda. [Re: DAYCLONA] #1193319
03/09/12 11:07 AM
03/09/12 11:07 AM
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JohnRR Offline
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Quote:

Quote:

Quote:

There's two types of "manual" valve bodies, the "manual/automatic" (B&M Transpak) where you retain your kick down linkage, and still retain "automatic" features, but when required you can have improved manual shifts,




Manual/automatic is a marketing gimmick....a bone stock VB can be shifted manually.





.....




Sorry Mike that B+M propaganda is a load of crap when it comes to a 727 , you can manually downshift to low above 15mph and it will not automaticlly upshift if not in Drive.

Plus the B+M shift improver KIT is a POS .

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: JohnRR] #1193320
03/09/12 11:59 AM
03/09/12 11:59 AM
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Mass
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Quote:



Plus the B+M shift improver KIT is a POS .







John, the Transpak, and Manual pak are not the "Shift Improver kit", I agree the "Shift Improver kit" is usless...

I generaly prefere the "manual pak", as it offers several build versions of Manual/Automatic features, as well as Full Manual control, I've built quite a few 904's and 727 for myself and customers over the last several decades, and had no issues with using the B&M Transpak, or Manual Pak

Mike

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: DAYCLONA] #1193321
03/09/12 12:46 PM
03/09/12 12:46 PM
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warfordsburg, PA
dirt Offline
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i have a cheata? manual reverse valve body in my big block dart and i love it. i normally run a stick shift in all my vehicles so may be thats why i like it, but it shifts from 1 to 2 almost as hard as i do in my manual transmission cars, if i didnt have a higher stall converter it would chirp the tires from 1 to 2 gear. and it stays in what ever gear you put it in. also when i am in first gear the and i let off the gas the motor does not hold the car back , its like it is in neutral but when i give it gas again it goes.

its the only way i like an auto , but im a little different i guess.

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: dirt] #1193322
03/10/12 10:59 AM
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NJ
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i have one in my coronet,wouldn't have a automatic any other way.

Re: Do I want a reverse Manual Trans? 74 cuda. [Re: rth] #1193323
03/10/12 02:06 PM
03/10/12 02:06 PM
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S.I. N.Y.
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I've had a RMVB in my Charger for 14 years & I wouldnt have it any other way.

I use the stock console shifter but with a Duncan Motorsports RMVB gate that I was a test mule for.

Before the gate I would sometimes miss 2nd gear and go straight to third.
Now with the gate the 1-2 shift is a "slap stick" style no button press. It has a positive stop on 3rd gear. 3rd requires a button push.
It is also a slap stick style back up to first with a neutral lock out (must push button to get into neutral)


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