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04-11-2013, 09:13 AM | #1 |
Senior Member
Join Date: May 2010
Posts: 2,214
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Model A tranney
I am new to Model A's. I just purchased a 1929 coupe that is grinding in second gear. I have an opportunity to purchase a rebuilt 30 tranney. Can some tell me if they are the same ? Many thanks Tom
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04-11-2013, 10:02 AM | #2 |
Senior Member
Join Date: Mar 2013
Location: San Antonio
Posts: 177
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Re: Model A tranney
Just curious and not trying to be rude but have you drove many Model A's? They are an unsyncronized trans and until you get used to it you will grind. I still grind gears down shifting and I've had mine for a few years. Try double clutching and just take your time trying to shift, it's a bit different. However, to the best of my knowledge the only differences in the trans is the tower for certain years and parking brake placement but I'm sure some else can give you a better answer.
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04-11-2013, 12:26 PM | #3 |
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Join Date: May 2010
Location: Portland, Oregon
Posts: 5,906
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Re: Model A tranney
When you say "grinding", are you talking about the sound it makes when you're in second, or the difficulty of getting it into second gear? As Mr. Meredith mentions, it takes finesse and patience to get a non-synchro Model A into second: shift up at about 10-12 mph, take your time, let the gears find their spot. Don't wind it up, but of you do, double or triple clutch it until things get coordinated inside.
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Ray Horton, Portland, OR As you go through life, keep your eye on the donut, not the hole. Last edited by 700rpm; 04-11-2013 at 02:23 PM. Reason: clarification |
04-11-2013, 01:17 PM | #4 |
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Join Date: May 2010
Location: Largo Florida
Posts: 7,225
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Re: Model A tranney
And, are you talking about 1st to 2nd or 3rd to 2nd ? Are you familiar with the term double-clutching ?
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04-11-2013, 02:56 PM | #5 |
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Join Date: May 2010
Posts: 2,214
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Re: Model A tranney
Thanks Guys for the pointers. No I am not familiar with model A's. I have had many other antiques but this is my first Model A. It grinds only in second gear. My thought was maybe some of the gear teeth for second gear were worn. As far a double clutching. When I was in college many moons ago I drove a large milk truck that I had to double clutch. if you guys think it will help I will try that approach.
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04-11-2013, 03:50 PM | #6 |
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Join Date: Sep 2011
Location: Alton, NH
Posts: 1,231
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Re: Model A tranney
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It's not what people think they know that will hurt them, it is what they think they know that aint so! -Mark Twain. It is the very things that we think we know, that keep us from learning what we should know.- Unknown |
04-11-2013, 05:14 PM | #7 |
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Join Date: May 2010
Location: new britain,ct 06052
Posts: 9,390
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Re: Model A tranney
Tranny fluid, what are you using. "600W" is available from all the vendors.
Have to double clutch. Paul in CT |
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