900 WHP Street/Strip C6: Which Displacement Actually Makes Sense?

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Today | 04:32 PM

#21

JKNAPP

Racer

Joined: Dec 2025

Posts: 284

Likes: 34

Quote:

Originally Posted by PSSSSSHC6

Is the intake square port?

LS7 heads is all I know

car was built before I bought it

Today | 04:43 PM

#22

PSSSSSHC6

Racer

Joined: Oct 2018

Posts: 459

Likes: 152

From: ATX

Quote:

Originally Posted by JKNAPP

LS7 heads is all I know
car was built before I bought it

Gotcha!! If you go with any Centri you want to swap the intake out. The Fast is not very strong when it comes to boost. A stock LS7 intake will handle 21-22psi where the Fast is rated for 15psi but is prone to crack. I would do a G3X and start with a 3.8/10%.

Today | 04:45 PM

#23

JKNAPP

Racer

Joined: Dec 2025

Posts: 284

Likes: 34

Quote:

Originally Posted by PSSSSSHC6

Balancer is an Innovators West, not sure if under/over driven

How is customer service on the ESS head units? Heard some stories...

Today | 04:50 PM

#24

PSSSSSHC6

Racer

Joined: Oct 2018

Posts: 459

Likes: 152

From: ATX

Quote:

Originally Posted by JKNAPP

Balancer is an Innovators West, not sure if under/over driven

You can measure it. OD will be 8". The UD pulley is 6.75"

Quote:

How is customer service on the ESS head units? Heard some stories...

I haven't had any issues with them. They have a place in Arizona. Do you have a supercharger setup now?

Today | 04:58 PM

#25

JKNAPP

Racer

Joined: Dec 2025

Posts: 284

Likes: 34

Quote:

Originally Posted by PSSSSSHC6

You can measure it. OD will be 8". The UD pulley is 6.75"

I haven't had any issues with them. They have a place in Arizona. Do you have a supercharger setup now?

NA at the moment. Last corvette (LS2) had an A&A V2TI and loved it at 840whp

Today | 05:03 PM

#26

PSSSSSHC6

Racer

Joined: Oct 2018

Posts: 459

Likes: 152

From: ATX

Quote:

Originally Posted by JKNAPP

NA at the moment. Last corvette (LS2) had an A&A V2TI and loved it at 840whp

Reason I ask is because ESS does not sell a kit for the C6. They sell brackets and a head unit. No hoses, bov or intercooler. You need a A&A kit and have to use their idlers pulleys and tensioner.

Today | 05:04 PM

#27

PSSSSSHC6

Racer

Joined: Oct 2018

Posts: 459

Likes: 152

From: ATX

Quote:

Originally Posted by JKNAPP

loved it at 840whp

Man mine was awesome there!! People just had to go and get so much faster!!

Today | 06:15 PM

#28

JKNAPP

Racer

Joined: Dec 2025

Posts: 284

Likes: 34

Quote:

Originally Posted by PSSSSSHC6

Reason I ask is because ESS does not sell a kit for the C6. They sell brackets and a head unit. No hoses, bov or intercooler. You need a A&A kit and have to use their idlers pulleys and tensioner.

ok, so I would need to buy a complete A&A kit minus head unit? Could either buy without one (if possible) or sell the 1500 unit and add $ for G3X...

Maybe just try and find a used setup (brackets,intercooler ect) then