700R4 4th Gear Feed Hole & Band Release
08-02-2006, 10:16 AM
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Car: 1988 IROC-Z
Engine: L98 (350 TPI)
Transmission: MD8 (700 R4) + 3.42 LS1 Rear
700R4 4th Gear Feed Hole & Band Release
I am looking to firm up fourth gear. I have installed the probuilt transgo jr/2-3HD combo kit and am satisfied with all shifts except 3-4. It’s not firm enough. I have already blocked the 4th accumulator. the transgo instructions list holes to enlarge but, not what they are for. i.e. 2nd, 3rd, 4th. I have looked @ my atsg and it lists 4th feed (47) but, I cannot find 47 in the diagram.
One last thing which hole is the 2nd gear band release? I am thinking about getting a 9.5" higher stall and will need to open up 3rd feed. I understand if I open up 3rd feed larger than the band release hole, it will flare up on the 2-3 shift. Thanks guys.
One last thing which hole is the 2nd gear band release? I am thinking about getting a 9.5" higher stall and will need to open up 3rd feed. I understand if I open up 3rd feed larger than the band release hole, it will flare up on the 2-3 shift. Thanks guys.
08-02-2006, 03:27 PM
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"I understand if I open up 3rd feed larger than the band release hole, it will flare up on the 2-3 shift?" No, but call me and I will walk you through this, just have your instructions ready to use. 909 7951876 anytime after 1pm-Midnight PST.
Last edited by Pro Built Automatics; 08-02-2006 at 07:09 PM.
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