Sorry about not knowing what heater box that is...I've been hanging onto it for years....its out of a small Jap car...little 3 door hatchback.
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Got stuck in this morning, between people dropping by to pick up parts...having a clear out as I'm moving house soon.
Got the subframe up and fitted, aligned and cross measured and torqued up. Fitted the front sway bar and sway bar brace (like a 3rd gen brace, but made for 2nd gens).
Fitted the WS6 style rear lower control arm mount braces I had made.
Fitted up one of the subframe cconnectors, I'll have the other finished tomorrow.....they bolted on very nicely...fit well.
Just to see how they fit, I positioned the front subframe "G Braces".....they actually don't bolt on until the front fenders are fitted.