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Thread: Hydraulic TOB HELP

  1. #1
    Senior Member Mastertech5's Avatar
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    Hydraulic TOB HELP

    Has anyone used this TOB on their build? It's a GM bearing that comes with a complete kit, flywheel, clutch assembly, transmission and blowshield. I bought them all separately from different sources because the blowshield was on backorder. It seems obvious to me that the TOB must be held in place when the trans is installed because the fittings won't fit through the hole in the bellhousing. I have the spacers all set for the proper clearance to the clutch fingers. My problem is the orientation. I've seen it like I have it but a guy on YouTube had the anti-rotation stud at 4 o'clock instead of at 2 oclock. The hose kit has a bleeder hose with straight fittings and the supply hose has a 90 deg. fitting on one end. The hoses fit better to exit the opening in the bellhousing when the stud is at 4 o'clock but the bleeder wouldn't be at the top for the best way to get all the air out when bleeding. Any suggestions or opinions? Speedway tech support is off on the weekends, where I bought the bearing and hoses.

    IMG_20221112_173401_hdr.jpg IMG_20221112_173417_hdr.jpg
    33 Hot Rod Stage 1, Gen.2 ordered 11/11/2021 started June 12, 2022, LS3 E-Rod crate engine, Tremec TKX, 8.8 WITH 3.55 Ratio and limited slip with 31 spline axles.17X8 and18x10 Race Star wheels wrapped in Conti Extreme contact DWS tires, Mustang Cobra brakes all around. Electric PS and AC. Hard top, electric windows and bike fenders. First Start 5/31/2023. Go-Kart 6/2/2023.

  2. #2
    Senior Member edwardb's Avatar
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    The bleeder has to be the top one. But the two connections are interchangeable. They can be either bleeder or slave. At least they are on the Tilton one I used. You should be able to switch hoses and get the proper orientation.
    Build 1: Mk3 Roadster #5125. Sold 11/08/2014. Build 2: Mk4 Roadster #7750. Sold 04/10/2017. Build Thread
    Build 3: Mk4 Roadster 20th Anniversary #8674. Sold 09/07/2020. Build Thread and Video. Build 4: Gen 3 Type 65 Coupe #59. Gen 3 Coyote. Legal 03/04/2020. Build Thread and Video
    Build 5: 35 Hot Rod Truck #138. LS3 and 4L65E auto. Rcvd 01/05/2021. Legal 04/20/2023. Build Thread. Sold 11/9/2023.

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