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727 pump modification #2619972
02/11/19 08:15 PM
02/11/19 08:15 PM
Joined: May 2018
Posts: 30
Minnesota
TrackPack Offline OP
member
TrackPack  Offline OP
member

Joined: May 2018
Posts: 30
Minnesota
Looking at converters for a 727 torqueFlite. Some say front pump modification required. What's this modification about?

Re: 727 pump modification [Re: TrackPack] #2619980
02/11/19 08:36 PM
02/11/19 08:36 PM
Joined: Jan 2003
Posts: 20,071
Rio Linda, CA
John_Kunkel Offline
Too Many Posts
John_Kunkel  Offline
Too Many Posts

Joined: Jan 2003
Posts: 20,071
Rio Linda, CA
Here's a pic of the common pump mod, amounts to machining the area around the seal. The sloping cut is done at an angle of 25°.

Pump Mods.JPG

I'm supposed to respect my elders, but its getting harder and harder for me to find one now.
Re: 727 pump modification [Re: TrackPack] #2620028
02/11/19 10:46 PM
02/11/19 10:46 PM
Joined: Aug 2003
Posts: 32,461
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 32,461
Bend,OR USA
the problems your bringing up is on mainly 8 inch race converts, maybe it is on some 9 inch also confused
As John has posted you may need to do some grinding or machining on the pump housing to clear the converter sawzall


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: 727 pump modification [Re: TrackPack] #2620095
02/12/19 12:57 AM
02/12/19 12:57 AM
Joined: May 2018
Posts: 30
Minnesota
TrackPack Offline OP
member
TrackPack  Offline OP
member

Joined: May 2018
Posts: 30
Minnesota
I see, clearance for the smaller diameter converters. Thanks guys.


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