[FC] Trans Question

[BBRT]

Ken,

>From the 64 shop manual, page 6D-3;

First gear now has 29 teeth instead of former 31, second has 26T in place of 
28T.  Countergear hs 16T instead of former 15. Relocated idler gear teeth 
increased from 14 to 17 (they may mean the reverse idler gear?).

Now the car has a new gear ratio of 3.20, 2.18, 1.44, 1.00 and 3.65R

However, the FC gear ratios 2.65, 2.35, 1.44, 1.00 and 3.66R (Same ratio as 
the 62-63 4spd).

{The manual does not make a distinction between the car and FC in first 
paragraph above. It sounds like the FC would have the old Tooth counts, 
but......}

Keep in mind, there have been errors in both manual and P&A 30. However, the 
above description is from the text, where we could reasonably assume they 
are correct in describing changes.

>From the 1974? P&A 30, the clutch gear has 17 T in 64-65
And Countergear is 30T 27T 21T 14T 16T

And from Andy/Clarks...
From: "Andy ." <rumbleseat66 at hotmail.com>
To: <corvanatics at corvair.org>
Sent: Monday, September 13, 2010 6:52 PM
Subject: Re: [FC] Trans Question

 For what it's worth, Clarks #CU1627 (Used 1st gear, 64-65 FC) states 31
 teeth.  It is one of the few gears they list the tooth count on.

Good Luck

Chuck S
BBRT





>>> From: vairmech at aol.com
>>> Subject: [FC] Trans Question
>>>
>>> OK, my turn to ask the question.
>>> I think I have an FC trans but I know the counter gear and main shaft
>>> tooth count will be different than stock. Since this is an NOS trans I
>>> don't want to disassemble any more than the side cover. I have counted
>>> the main shaft gear and for first gear I count 29 teeth. I checked one 
>>> of
>>> my other stock main shaft gears and I have a 31 tooth count. This leads
>>> me to belive this is an FC trans plus the back up switch hole is 
>>> plugged.
>>>
>>> Anyone remember what the tooth counts are? This appears to be a 64-5
>>> trans.
>>>
>>> Thanks
>>> Ken Hand
>>> 248-613-8586
>>> www.corvairmechanic.com