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I recently tore down a 1PZ, replaced the oil cooler. Had the same large hole to the right of the cooler cavity. I was a little worried it wasn’t supposed to be there. It’s a strange rough casting and doesn’t seem needed the way it is designed to flow.
View attachment 1952306
I was a little concerned because this 1PZ likely had water in it for a lot of years. Thought maybe it had corroded out here.
Here it is on the 1PZ.
View attachment 1952311
Good to see it is part of the casting from Toyota. Still strange to me though.
Cheers
Yup.I recently tore down a 1PZ, replaced the oil cooler. Had the same large hole to the right of the cooler cavity. I was a little worried it wasn’t supposed to be there. It’s a strange rough casting and doesn’t seem needed the way it is designed to flow.
View attachment 1952306
I was a little concerned because this 1PZ likely had water in it for a lot of years. Thought maybe it had corroded out here.
Here it is on the 1PZ.
View attachment 1952311
Good to see it is part of the casting from Toyota. Still strange to me though.
Cheers
That pump is a thing of beautyThe pump and injectors are hot off the FedEx truck.
Brian at Omega Injection went through everything. He also installed a boost compensator and tuned it to close to 1HDT specs.
I reccommend him to anyone wanting work done. He was timely, responsive, knowledgable, and affordable. I had the parts back in 14 days.
Now I just have to finish my epically nightmarish wiring harness mockup before I can pull the engine again and finish the fuel/timing parts.
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