Hey guys. I'm new here. I have a 2007 FJ with 240k miles on it that needs a new head gasket. Exhaust was leaking into cooling system. I'm in the process of tearing it down to see what's wrong with it. I'm very close to having the heads off the block and I have a few questions about this specific engine.
1) What year heads will work with my engine?
I see people selling remanufactured heads with date ranges of 2007 - 2011. Here's an example on Ebay. There is a local guy selling a rebuilt head for a 2011 FJ. I am wondering if I can can just go this route and not worry about machining my current heads. I believe the difference if the variable valve timing. Can I just use my original camshafts and replace the block only?
2) I've heard a few people say that Toyota says not to machine this head. Is there any truth to that claim?
I'm open to any recommendations. This engine is tired, but the frame is in fairly good shape. I'm hoping I can get a year or two out of the current engine and then replace if engine later is necessary.
1) What year heads will work with my engine?
I see people selling remanufactured heads with date ranges of 2007 - 2011. Here's an example on Ebay. There is a local guy selling a rebuilt head for a 2011 FJ. I am wondering if I can can just go this route and not worry about machining my current heads. I believe the difference if the variable valve timing. Can I just use my original camshafts and replace the block only?
2) I've heard a few people say that Toyota says not to machine this head. Is there any truth to that claim?
I'm open to any recommendations. This engine is tired, but the frame is in fairly good shape. I'm hoping I can get a year or two out of the current engine and then replace if engine later is necessary.