Flex fuel kit

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Sep 18, 2016 | 01:26 PM

jnrandall

Thread Starter

Instructor

Joined: Dec 2012

Posts: 227

Likes: 10

Flex fuel kit

Hi,

I currently have the Edelbrock 599 kit installed in my 2011 GS with the dry sump. I m looking to upgrade to a flex fuel kit to add some extra ponies. My GS has the 52# injectors and the higher capacity fuel pump installed. In this configuration, I am currently making 505Hp/490Tq. I also wish to add the 3.25 pulley I purchased some time ago.

Do you think that I can just use the existing fuel pump, upgrade to 60# injectors, swap pulley, buy the DSX kit and a retune?

Thanks

Last edited by jnrandall; Sep 18, 2016 at 01:27 PM.

Sep 18, 2016 | 01:34 PM

Unreal

Team Owner

Joined: Nov 2007

Posts: 24,035

Likes: 2,341

From: Gilbert AZ

60lb injectors won't be enough. Get 850s or 1000s. 850s will be a stretch at 650rwhp.

Fuel pump also won't be big enough and will need to add a pump.

Sep 18, 2016 | 02:12 PM

jnrandall

Thread Starter

Instructor

Joined: Dec 2012

Posts: 227

Likes: 10

Thanks for the recommendations.

Sep 19, 2016 | 11:40 AM

staticki

Burning Brakes

Joined: Dec 2007

Posts: 1,249

Likes: 31

From: Dyer IN

I ran 80# injectors with a BAP with e85 making 675rwhp. Was on this setup for about 15k miles.

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