I did 100.000+ Km's in mine without putting a wrench near it so yes built right and maintained very reliable.
Get a 15+ year old car that more than likely hasn't been maintained due to Toyota spares prices and a young street racer type that hasn't gone through all of the basics you have a...
No I mean the actual Cam timing Steve.
If it's somehow slipped a tooth it might explain your issues (High EGTs)
The Cam timing could be out and the CPS could be set perfectly in relation to the Crank.
Usually if it's rich like you describe the EGT's are low.
What Turbo do you have Jake?
Cpt: Correct there's usually a point at which the tighter nozzle becomes a restriction choking off top end power as there isn't a big enough hole for the Gasses to exit.
I went tight on my GT30R with a .63 AR and it was going positive at 1400 rpm when I...
It's hard to get a Flat surface hand lapping it it may end up smooth but it will be far from flat!
You can always take it and have another few thou skimmed telling them it must be as smooth as possible!
The motor in my car had this exact issue, I had my head surfaced and assembled they put...
A set of ARP bolts /Composite gasket should be fine with your goals!
(probably get away with new stock bolts but I'm guessing they'd cost more than the ARP's)
The cavet here being as long as they haven't taken too much off the head raising the Compression.
If it detonates it will kill...
Grim: LOL I said I've done it before not that I recommend it ;)
I think on pump Gas you'd be safer with a harder 1st ring Stainless or CroMo just steer clear of any that are hard Chromed as they'll never seal!
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