Yeah, no, unless you guys got stronger rods and pistons in Straya than we did in the States. 550hp would not last very long imo. You’ve got a nice ride, and a nice parts list. Spend the money/time and get at the least GTE rods and pistons. You could upgrade to aftermarket stuff too.can the IS300 stock rods handle 550hp!? Do I need to do my rods or will they hold the power I want?
I’m gonna offer some unsolicited advice too, haha. I’d advise getting some larger injectors for headroom. You’ll be able to get close to 550hp on 550cc but they will be near max DC. Never good to run stuff to the ragged edge. And if you haven’t bought that boost controller - don’t. Your Haltech will do a good job and all it needs is a Mac boost solenoid.
Got any more pics of that J pipe turbo set up? Or under hood pics?