MAFs are usually good for about 100k. If its original, I would replace it. On my P2 cars, I chased something similar at around 100k and in the end, I’ll just replace plugs, coils and MAF at 100k from now on (If I ever get one thats sub 100k, or take my SR to 200k). Also, did you make sure the plugs ...

Resurrecting this thread... I also didn’t annotate where my lifters were supposed to go. I had every intention of marking them but when I set the head on its side, thinking the oil film would hold the lifters in, they all fell out. OOOPs. I have read up on the adjustment procedure for solid lifts, a...