Supercharging base C7

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Apr 28, 2018 | 12:35 PM

#21

thrilled

Safety Car

Joined: Mar 2014

Posts: 4,482

Likes: 668

From: Kilmarnock Va

I have an A&A with 7 psi.It does fine.I don’t track it.5,000 miles since I added it.It runs smooth.

Apr 28, 2018 | 01:00 PM

#22

JerryU

E-Ray, 3LZ, ZER, LIFT

Joined: Sep 2007

Posts: 34,932

Likes: 12,344

From: NE South Carolina

Quote:

Originally Posted by red62vette

Callaway is a great shop with a good reputation. So my question is: how do you reliably supercharge an engine that was not intended to be supercharged without lowering compression ratio, strengthening internal components, and remapping fuel and ignition curves?

Quote:

Originally Posted by red62vette

That makes sense, as the LT4 has both a lower CR and strengthened internals. So it sounds like Callaway doesn't supercharge the higher CR and unstrengthened LT1. Supercharging an LT1 sounds like a huge risk to me.

Not a big risk if you buy a kit from Edelbrock, etc. Others like Callawat etc also know what they are doing and will limit advance, use a richer mixture etc. May not the max power of adding a Zo6 surpercharger to an LT1. If an M7 would also be concerned with the different 1st gear ratio! It exceeds the max torque of the base trans. Reports are that the spider gears are the weal link and reports indicate 2019s are coming with the beefed up ones in the ZR1.

When you start adding significant power there is always a weak link!

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