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Re: retrofitting an overdrive unit

To: GatesDavid@aol.com, spitfires@Autox.Team.Net
Subject: Re: retrofitting an overdrive unit
From: Huw Upshall <hupshall@wolfenet.com>
Date: Sat, 12 Dec 1998 23:42:12 -0800
David, is it possible for a few more measurements?

How thick is the plate?
What is the distance from the center of the chassis bolt holes to the side
edge of the plate?
You gave the width of the plate, how long is it?
Is it rectangular like it is pictured or is it angled like the 4spd mount?


At 09:44 PM 12/12/98 EST, GatesDavid@aol.com wrote:
>Huw,
>
>I have a '76 W/ OD and a '78 without.  I measured the '76 OD mounting plate.
>You can see a diagram I drew at http://members.aol.com/gatesdavid/plate.htm
>
>The main differences are that the non OD plate has the bolt holes for the
>chassis toward the rear and the OD plate the holes are toward the front.  It
>almost looks like it was unbolted and rotated 180 degrees.  The other main
>difference is that the non OD plate has a raised section where the trans
mount
>attaches to it.  The OD plate is depressed by 1/8" as you can see on the
>diagram.  There is a notch in the chassis that I made a measurement from, I
>hope yours has the same notch.
>
>I wish I could let you have the plate, but I am planning on installing
this OD
>into my '78 VERY soon.
>
>David Gates
>Hawaii
>'73 Spitfire 1500 (Daily driver)
>'78 Spitfire 1500 (working on this one)
>'76 Spitfire 1500 (just acquired, probably going to be a parts car)
>http://members.aol.com/gatesdavid/index.htm  <--- Rogues Gallery
>http://ep.com/ep/csp.html?csp=8239  <--- The Garage Sale
>
>
>In a message dated 12/12/98 2:47:09 PM Hawaiian Standard Time,
>hupshall@wolfenet.com writes:
>
>> Joe Curry and I have a couple of questions to ask any informed parties:
>>  
>>  I have an overdrive transmission, J-Type that I will be putting into a
1978
>>  Spitfire that came with a standard 4spd transmission.
>>  
>>  I have bought the overdrive mount.  My question is this:
>>  
>>  What about the plate that bolts onto the chassis that the overdrive mount
>>  bolts to?
>>  The plate that is on the car right now has the standard 4 spd mount
>>  attached but does not have any holes on it for the overdrive mount to
>>  attach to.
>>  
>>  Is the overdrive chassis plate and the standard 4 spd plate the same?
>>  If it is not, what does the overdrive chassis plate look like?
>>  I would like photos and measurements if possible so I can fabricate one.
>>  
>>  Of course, If there is anybody out there that has an overdrive
transmission
>>  chassis plate that they would part with.. I'd also be interested.
>>  
>>  Joe's questions are regarding a D-Type and J-Type overdrive unit.
>>  Are the overdrive mounts the same for both transmissions?
>>  Are the overdrive mount chassis plates the same for both transmissions?
>>  Do the overdrive mount chassis plates differ with the different spit
>models?
>>  
>
>
-------------------------------------------------------------------------
 Huw Upshall                      Email:       hupshall@wolfenet.com
                                               hupshall@microsoft.com
                                  http:        www.wolfenet.com/~hupshall

 'Misspelled?  Impossible!  My modem is Error-Correcting!'
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