| Switch pitch cores [message #238380] |
Sat, 01 February 2014 12:38  |
Chris Tyler
Messages: 458
Registered: September 2013
Location: Odessa FL
Karma: 7
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Found two 67 SP cores on our local [Tampa FL] craigslist. I understand these can be used to make a SP TH425.
$200 for both!
http://tampa.craigslist.org/pnl/pts/4307908825.html
Since I am local I can assist with purchase, shipping or hold if someone is interested.
I wouldn't mind having one myself in case I ever have to pull mine. PO had it redone, no issues rt now. So I might pick up one of them and spilt the cost.
76 Glenbrook
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| Re: Switch pitch cores [message #238826 is a reply to message #238380] |
Tue, 04 February 2014 22:41  |
Chris Tyler
Messages: 458
Registered: September 2013
Location: Odessa FL
Karma: 7
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Senior Member |
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Yes, I know. But it is my understanding that you need a switch pitch core to build a switch pitch TH425 as the parts are not otherwise availible.
BTW a correction to the ad in that the seller wants $200 each, but will make a better deal for both. If anyone is interested, hit me up.
Even if I never put the switch pitch in the GMC, it might find its way into another musclecar.
76 Glenbrook
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| Re: [GMCnet] Switch pitch cores [message #238831 is a reply to message #238826] |
Tue, 04 February 2014 23:01 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Chris,
I believe Manny can build a TH-425 switch pitch from a non-switch pitch TH-425. Give him a call.
http://www.mannystransmission.biz/
Regards,
Rob M.
Sydney, Australia
-----Original Message-----
From: Chris Tyler
Yes, I know. But it is my understanding that you need a switch pitch core to build a switch pitch TH425 as the parts are not
otherwise availible.
BTW a correction to the ad in that the seller wants $200 each, but will make a better deal for both. If anyone is interested, hit me
up.
Even if I never put the switch pitch in the GMC, it might find its way into another musclecar.
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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| Re: [GMCnet] Switch pitch cores [message #238872 is a reply to message #238831] |
Wed, 05 February 2014 10:06 |
GMC_LES
Messages: 569
Registered: October 2009
Location: Montreal
Karma: 0
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Senior Member |
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I may be wrong but i think the only parts in a TH400 switch pitch that are useable for a TH425 SP conversion are the torque converter and SP solenoid. The other SP specific parts like the valve body and pump housing are not interchangeable between a TH400 & a TH425.
The torque converter should be overhauled and are hard to find but still obtainable with out a core to exchange. The solenoid is also available as a new part if you look hard enough.
Hardly worth investing in a TH400 SP unless you need one.
Les Burt
Montreal
1975 Eleganza 26ft
A work in Progress
On Feb 5, 2014, at 12:01 AM, "Robert Mueller" <robmueller@iinet.net.au> wrote:
Chris,
I believe Manny can build a TH-425 switch pitch from a non-switch pitch TH-425. Give him a call.
http://www.mannystransmission.biz/
Regards,
Rob M.
Sydney, Australia
-----Original Message-----
From: Chris Tyler
Yes, I know. But it is my understanding that you need a switch pitch core to build a switch pitch TH425 as the parts are not
otherwise availible.
BTW a correction to the ad in that the seller wants $200 each, but will make a better deal for both. If anyone is interested, hit me
up.
Even if I never put the switch pitch in the GMC, it might find its way into another musclecar.
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_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
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Les Burt
Montreal
1975 Eleganza 26ft
A work in Progress
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| Re: Switch pitch cores [message #238879 is a reply to message #238380] |
Wed, 05 February 2014 11:35 |
Chris Tyler
Messages: 458
Registered: September 2013
Location: Odessa FL
Karma: 7
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Senior Member |
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Manny, if you build a TH425 can you convert it to swich pitch w/o a TH425 SP core?
If the solenoid and converter are availible then is there any good reason to pick these up?
I may actually have one of your transmissions in my coach now. PO [Slats Schuster] had it replaced 'shipped From a speciallist out west'. I gave him 3 names and he thought it was you. I have a pile of reciepts including the R& R on it [shop in N GA near ATL] but not for the trans itself. Is there any external tag, number or marking that you have to identify it?
76 Glenbrook
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| Re: [GMCnet] Switch pitch cores [message #238932 is a reply to message #238879] |
Wed, 05 February 2014 20:21 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Chris,
Since Manny didn't tell you how to tell if you have one of his
transmissions, I will: If all the fasteners are stainless steel, it's
almost certainly a Manny Tranny; he won't use anything else 'cause that's
his trademark.
Ken H.
On Wed, Feb 5, 2014 at 12:35 PM, Chris Tyler wrote:
>
>
> Manny, if you build a TH425 can you convert it to swich pitch w/o a TH425
> SP core?
> If the solenoid and converter are availible then is there any good reason
> to pick these up?
>
> I may actually have one of your transmissions in my coach now. PO [Slats
> Schuster] had it replaced 'shipped From a speciallist out west'. I gave him
> 3 names and he thought it was you. I have a pile of reciepts including the
> R& R on it [shop in N GA near ATL] but not for the trans itself. Is there
> any external tag, number or marking that you have to identify it?
> --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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