The new model a transmissions with synchro

Hasler55

Hasler55

Member
I was wondering if any of the members of the board here have had any experience with the new aftermarket drop in synchro transmissions for the model a that mac and snyder are selling. I am currently building a 31 speedster and I am going with the vortex dual carb intake. Insert rebuilt basic block and snyders 5.5 to 1 compression head with two Rebuilt Marvel Schebler carbs and the oversized stainless exhaust. The transmission sounds tempting for that quick get away. (:
 
Hasler55 said:
I was wondering if any of the members of the board here have had any experience with the new aftermarket drop in synchro transmissions for the model a that mac and snyder are selling. I am currently building a 31 speedster and I am going with the vortex dual carb intake. Insert rebuilt basic block and snyders 5.5 to 1 compression head with two Rebuilt Marvel Schebler carbs and the oversized stainless exhaust. The transmission sounds tempting for that quick get away. http://www.fordbarn.com/forum/images/smilies/smile.gif
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Yes. I actually have a couple on order right now from Mitchell, the manufacturer. I do think you won't be happy if a "quick get away" is your only motive for purchasing one. Otherwise you will be happy once the wait time and the purchase price are behind you.

..
 
I too am curious about that. For many years, the conventional wisdom was that there wasn't enough room in there to add synchronizers. I wonder if the gears have been downsized...so maybe not so good with a hopped up motor?
 
machine girl said:
no syncro in first
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I always thought that, surely, synchronized first was superfluous, but I've noticed that I still get giggly every time I downshift into first on a roll using my F150 trans. There have been a few exciting intersection moments when it's been really nice to be able to get into first fast.

Steve
 
BRENT in 10-uh-C said:
Yes. I actually have a couple on order right now from Mitchell, the manufacturer. I do think you won't be happy if a "quick get away" is your only motive for purchasing one. Otherwise you will be happy once the wait time and the purchase price are behind you.

..
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Welllll, quick to me, is me running along side a model a and it can beat me. And I am pretty slow. LOL

I just thought the shifting might be more smoother and since I am building a speedster, purity wouldn't be a top priority on this project.
 
BRENT in 10-uh-C said:
Yes. I actually have a couple on order right now from Mitchell, the manufacturer. I do think you won't be happy if a "quick get away" is your only motive for purchasing one. Otherwise you will be happy once the wait time and the purchase price are behind you.

..
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So which ratios did you select and is it for a basically stock A /B engine car?

1. Mitchell stock Model A ratios in both 1st and 2nd?
2. Stock 1st - with 15% over second
3. 15% over first with 15 % over second?

Are you saying that the higher ratios in 1st and 2nd are of no advantage for a quick getaway or is it related to the fact that he is building a speedster?


Thanks for your thoughts
 
Benson said:
So which ratios did you select and is it for a basically stock A /B engine car?

1. Mitchell stock Model A ratios in both 1st and 2nd?
2. Stock 1st - with 15% over second
3. 15% over first with 15 % over second?

Are you saying that the higher ratios in 1st and 2nd are of no advantage for a quick getaway or is it related to the fact that he is building a speedster?


Thanks for your thoughts
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I go with the #2 which only has the 15% faster intermediate (2nd) gear. That is because I generally install a 3.54 or 3.27 rear end gear ratio. My experiences have been that a properly spec-ed out engine (cam, valves, head, manifolds) will pull very strong in 2nd gear from just off of idle all the way up the RPM range. Having one of those type engines and knowing how to shift properly greatly reduces the need for a synchro transmission. The keyword here is "need".

.
 
purity wouldn't be a top priority on this project.
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Then why not step up and use a later transmission ? Your choices are many. From a Ford 3 speed syncro to a 4 speed or even a 5 speed. Then you will have gear ratios that will definitely allow you to be sporty, in first and above.
 
Hasler55 said:
I was wondering if any of the members of the board here have had any experience with the new aftermarket drop in synchro transmissions for the model a that mac and snyder are selling. I am currently building a 31 speedster and I am going with the vortex dual carb intake. Insert rebuilt basic block and snyders 5.5 to 1 compression head with two Rebuilt Marvel Schebler carbs and the oversized stainless exhaust. The transmission sounds tempting for that quick get away. (:
Click to expand...

If you get the mitchell you basically have a syncro trans, you can put mitchell in netural and then shift to the gear in your regular trans then move your mitchell to low or high works great even on a rolling shift you can go to 1 st gear . have fun modelAtony Lafayette,la
 
Maybe I should clarify my goal here. I know that even with the improvements that I am putting into the speedster, there would only be a 24 horsepower increase from the stock engine at best. What I was interested in is the feel or ease of driving (shifting) the speedster. I was just curious if anyone has actually used this particular transmission.
 
Hasler55 said:
Maybe I should clarify my goal here. I know that even with the improvements that I am putting into the speedster, there would only be a 24 horsepower increase from the stock engine at best. What I was interested in is the feel or ease of driving (shifting) the speedster. I was just curious if anyone has actually used this particular transmission.
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Yes, we've installed several.
 
I have the Mitchell transmission in two of my cars, and they run fantastic. I am also in the process of installing on of Ken Parkers 4 speed F150 transmissions in another. The cost between the two types is pretty close. So if you are looking to get synchro shifting and higher end speed, I would think you might want to talk to Ken.
 
Have two of them and really like not double clutching on downshifting (not your reason for considering one).
 
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