Oct 30, 2016 · Spend the money on the Shift kit instead of the Sonnax accumulator valve kit, you will get much more out of it. This kit can be made into a Heavy Duty Shift kit easily. Add the …

Mar 29, 2021 · In the current 700r4 I've had zero issues with the 3-4, and is not a racing application, K1500/towing/4x4. Decided not to go with Sonnax Smart Drum or 4L79 or variant …

Nov 15, 2007 · Sonnax sells a fix for both, but they require valve body removal and special tools to bore the VB. I have the tools to do the 4L80E valve body since I build them fairly frequently, …

Oct 29, 2024 · The work around I found, without dropping the pan yet again, (which is an uncomfortable exercise given my car's layout) Was incorporating Sonnax's corrector spring.

Apr 3, 2013 · Sonnax now has a new planetary set that gets rid of the excessive 3.06:1 first gear, and changes it to something much more manageable in the 2.7:1 range, also narrowing the …

Oct 20, 2023 · The pump had some pretty good wear so I replaced it with a reman and installed a Sonnax boost valve and changed all the bushings that appeared worn throughout the trans.

Apr 21, 2023 · Sonnax nitrided forward clutch hub with roller bearing Th400 smooth direct drum New 34 element sprag Spiroloc from 4l80e for the outer race New low roller clutch No walk …

Feb 14, 2019 · Ford C4 Drag Racing Transmission & Art Carr 9" 5500 + RPM stall anti ballooning plate torque converter (stall depending the torque output of your engine will vary) …