LSXvnm

A few months ago I bought a Grand Sport with an ecs blower kit on it already and a forged short block. It's only on 8lbs and on 93 still with the 6 rib pulley setup making about 650whp.
With that being said I'm getting ready to put a clutch in it and go E85 and pulley it down to make 800-850whp and this is what I think I need to do......
Tell me if I'm missing something or need to go a different route

Mantic twin disk
ECS stage 1 fuel system
Flex fuel
1300cc injectors
Flip drive pulley setup
8 rib pulleys

LSX228R

What cam will you be using ?

LSXvnm

It has a comp cams blower cam in it but I haven't been able to get the specs for it

Patriot Six

Go with A&A's new secondary drive.

ysb02

You might want to go with the triple disc mantic. Would save you from having to swap it out again if the twin disc doesn’t hold or you want more hp.

C U IN REARVEIW

A mantic twin will hold that power fine

LSXvnm

I was able to get the cam specs from previous owner today

Patriot Six

That cam is similar to what I’m using in my boosted LS7 and will work well with your setup.

Detoxx03

Twin will work but I’d just get the triple now and be done with it. Other than that pretty solid list.

LSXvnm

Isn't the triple about 1000 more? I doubt the car will be at the track much. Maybe twice a year

Detoxx03

Depends on who you get it from but I didn’t pay anywhere close to 1000 more for mine over my twin. Track or no track the triple is better and the twin is no slouch.

sales @ WXM

Beautiful car, I really like the C6's in white.

The Mantic twin will hold 850-900rwhp fine. I would say you have everything else lined out. What injectors do you plan on using? I would recommend ID1300's.

DOUG @ ECS

Nice build, let us know if we help you out with any of this while our sales are going on, I'll be happy to put a package priced deal together for you.

Blue by U

I agree. Go ahead and get triple. My twin didn' hold at 915 rwhp. Spending the money now is better than spending twice and doing the work twice!

chpmnsws6

I'd go up to the stage 2 fuel kit, 8 rib the whole drive system, and ditch the secondary drive setup. Have the pulley coated if it ends up slipping.