Anything more than 550-600 jb4 really is no longer effective. While you can make even more than that on a jb4 with full ethanol its not great for reliability.
With meth or PI any of them. Without at least meth its going to be real hard to push them. The flow max works, but the hypercore is really a great solution for jb4 cars to make more power efficiently.
The PURE900 is finally ready to order! https://1fastsupra.com/products/toyota-supra-a90-a91-new-pure900
AND YES YOU CAN T51R MOD IT!
No Cores as this is a complete new aftermarket housing! Which should address any and all issues!
• Pure Turbos Billet Compressor Wheel
• Larger and Stronger...
$2,500 TWO P2uned Forged Carbon seats and a bracket with slider! Someone snag these :) These have Blue suede diamond stitched paddings. One set of padding is brand new and never been used. These seats weigh almost nothing lol. Save some serious weight swapping these in over Stock seats. These...
IDK if its a new high stall converter issue I have one from this year and no issues with the downshifts. My older one (2022) had a similar issue where it would hunt when I was in Auto and on the brakes after running the car but id just simply slap it over to manual and bring it down.