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I want the most response possible out of 2860-5 for my r33 Gtr. engine is out, so I want to do anything that would help lag. Ideally getting the -5 spool close to -7 spool

Built engine, staying 2.6

9:1 compression/ e85

CES 3 inch dumps

Twin 3 inch front pipes

4 inch cat back

Largest cat

Type b cams

Cam gears

Gts4 diffs

Match port turbo side

Running a PFC, will a newer ecu help with lag?

Anything else to the head I can do, match porting the intake help?

Hard pipe kit help? A little, or allot?

Larger valves a must? Intake & exhaust or just exhaust?

Billet turbo wheel?

It will stay a street car, and twin turbo

What have I missed?

Edited by GD51LA

I want the most response possible out of 2860-5 for my r33 Gtr. engine is out, so I want to do anything that would help lag. Ideally getting the -5 spool close to -7 spool

Built engine, staying 2.6

9:1 compression/ e85

CES 3 inch dumps

Twin 3 inch front pipes

4 inch cat back

Largest cat

Type b cams

Cam gears

Gts4 diffs

Match port turbo side

Running a PFC, will a newer ecu help with lag?

Anything else to the head I can do, match porting the intake help?

Hard pipe kit help? A little, or allot?

Larger valves a must? Intake & exhaust or just exhaust?

Billet turbo wheel?

It will stay a street car, and twin turbo

What have I missed?

Ace tuner

You could go back to 98 to reduce lag but do you want to? lol

E85 EGTs are lower, so theoretically there will be more lag experienced - however you're able to dial in more timing in the mid range so you have a fatter torque where it counts.

Compressed air injection into the turbine wheel.

Water injection into the exhaust manifold or direct injected into the cylinder on the exhaust stroke.

3 phase brushless motor inside the turbo core.

I am sure there are more I have thought of over the years.

You can possibly use a smaller diameter runner exhaust manifold and stock cams and increase the compression upto 9.5..

A good boost controller and tuner too.

Edited by AngryRB

You won't get 5's coming on like 7's, no way.

Put the standard cams back in or spend some coin and buy some form or V cam/ VCT.

As Brett said above, more cubes.

I'm not expecting a spool of a -7 from a -5, just as close as I can go

If I decided on the Brian Crower 2.9 stroker, how much sooner spool are we talking? Up to 500 rpm?

You can possibly use a smaller diameter runner exhaust manifold and stock cams and increase the compression upto 9.5..

A good boost controller and tuner too.

Can you be more specific?

I don't think the standard cams would be a better option than the tomei type Bs, when aiming for 400-430kw awkw

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