Hey guys I am in the process of my build and I need to get bolts for the adaptor plate. 

Has anyone used an adf adapter plate. And if so what length bolts did you get?

You need to have two bolts welded together so there offset. Screw one end into the engine, slide the adaptor plate in place then fit the gearbox. 

You should have enough meat on the lower studs to leave them as is. 

I’m surprised your adaptor plate doesn’t come with the required bolts. My mate makes them over here and he supplies modified bolts welded by a certified welder (which is required for engineering certification). 

Cheers 

Bennie

8 hours ago, el_freddo said:

You need to have two bolts welded together so there offset. Screw one end into the engine, slide the adaptor plate in place then fit the gearbox. 

You should have enough meat on the lower studs to leave them as is. 

I’m surprised your adaptor plate doesn’t come with the required bolts. My mate makes them over here and he supplies modified bolts welded by a certified welder (which is required for engineering certification). 

Cheers 

Bennie

You should be required to declare this fact each time you suggest EJ implant

9 hours ago, el_freddo said:

You need to have two bolts welded together so there offset. Screw one end into the engine, slide the adaptor plate in place then fit the gearbox. 

You should have enough meat on the lower studs to leave them as is. 

I’m surprised your adaptor plate doesn’t come with the required bolts. My mate makes them over here and he supplies modified bolts welded by a certified welder (which is required for engineering certification). 

Cheers 

Bennie

I've seen that done, but every plate I've used had holes tapped into it and bolts threaded into the plate. You drill out the threads in the engine, and then bolt the plate on.

 

I just looked at the ADF page, it says right there it's 3/8-16. Just a matter of measuring the thicknesses and adding it up.

https://awdadventure.com/collections/ea82/products/ea-ej-adapter-plate

 

 

Edit: based on the picture, it looks like the SJR one comes with smaller diameter studs, so you don't have to drill out the threads in the block.

https://www.sjrlift.com/collections/engine-swap/products/ej-to-ea-engine-adapter-engine-swap-sjr-ej22-into-ea82

Edited December 2, 20205 yr by Numbchux

Thanks @Numbchux I didn’t know they were made like that. Engineers over here wouldn’t approve that if the plate is alloy, steel maybe. 

Cheers 

Bennie

Yea, steel is a must, I think.

Edited December 3, 20205 yr by Numbchux

On 12/3/2020 at 8:21 AM, Step-a-toe said:

You should be required to declare this fact each time you suggest EJ implant

Depends on how you go about it. I’m not into adaptor plates but know a bit about them. 

And if someone goes for an EJ swap, some research should be part of this decision! I guess not everyone does this bit before diving in head first. 

Cheers 

Bennie

Kind of odd to require a steel plate to attach two aluminum parts together. As long as there is enough thickness for proper thread engagement.

Problem is the threads overlap or are very close to it. Two threaded holes about three mm apart would be a whole lot stronger. 

Cheers 

Bennie

14 hours ago, Ionstorm66 said:

Kind of odd to require a steel plate to attach two aluminum parts together. As long as there is enough thickness for proper thread engagement.

It's only ~1/2" thick. The threads in the block are much deeper than that. Maybe Aluminum would work, but I feel better with it being steel.