Doing a two piece transom plate, should the seam of the two plates run vertical or horizontal as in picture. Someone told me if i run horizontal it could break my seal in the plates due too pump flex. Also would like too know how far apart should i put bolt holes for transom plate too transom. Any one have any pictures of one done. Thanks Z racing

75 biesemeyer with jet set back the hand hole cover located out side of boat.

Thanks for getting back too me, just wanted to know if running the parting line horizontal is the way too go. How much should i leave gap wise in between the parting line and around the pump and plate. IS 1/4 inch sufficient? What type of adhesive should i use. They make a good adhesive and caulk or just use silicone? Thanks Z Racing

Thanks! Good i had put it at an 1/8 but was not sure. Z Racing

We're in the process of making some 3 piece plates for mine.  I don't like peeling the plates off the fiberglass just to mess with the pump so one is going to remain attached to the hull and the 2 small side pieces will be fasten to the main piece after I've drilled and tapped it.  Undo the two small plates and slide the pump out.

Props to Chris at B1 Racing for the idea and tips...

Below is a good picture that we"re using for reference

19dana, did you make the motor mounts and rail kit yourself also?

Made the motor.blocks too

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Looks fantastic, I need to make some for the challenger