CMS going Green!!
CMS going Green!! Well we have been toying around with the idea of putting my 08 C6Z on E85. After doing some extensive research on not only E85 but the C6Z's fuel system we started by dissecting a $350 plus fuel pump assembly to figure out exactly what we had to work with in the tank and if we would need more pump. After we had decided on our fuel pump setup we contact Jon at Fuel Injector Connection to pick up a set of his in house built LS2 bodied 1000CC Billet tipped injectors. In order to ensure we wouldn't have fuel pressure loss up top we installed a MSD Fuel Pump Booster. We went with this unit because it has a computer interface that allowes us to actually plot out the fuel pump voltage v. engine air flow as opposed to just an on off switch like other units. After minor tuning the car was running great. There is no sacrifice in drivability what so ever. After the part throttle tuning was complete we strapped it to the dyno to see what she was putting down. By the end of tuning we were all very impressed with the results. The power carried out further than it had previously and the car put down 641.3hp and 576.4tq.
To those of you that don't know the car this is just a simple setup on a stock un-touched bottom end. The car is equiped with a custom CMS cam, Richard at WCCH stage 2 ported heads with competition valve job and SS exhaust valves, Kooks 1 7/8 headers with custom exhaust, cometic .040 head gaskets, in house ported FAST 102 with NW 102 throttle body and Halltech 107R intake.
To those of you that don't know the car this is just a simple setup on a stock un-touched bottom end. The car is equiped with a custom CMS cam, Richard at WCCH stage 2 ported heads with competition valve job and SS exhaust valves, Kooks 1 7/8 headers with custom exhaust, cometic .040 head gaskets, in house ported FAST 102 with NW 102 throttle body and Halltech 107R intake.
a station perris about 20 min from me has it, i am going to keep 1-2 55 drums full of e85 at the shop, cheaper then mixing fuels!! not a hint of detonation..
608 hp, 540 tq
yes
608 hp, 540 tq
yes
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Nice gain Ryne. My new 454 LS7 will be drinking the same juice. Looking forward to seeing the results of 27 more cubes, of few more points of compression and of course, the square cam will finally be run.... I hope CMS is up to the task.
LOL
LOL 
Teching In
Joined: May 2011
Posts: 0
Likes: 0
From: Pasadena, CA
Just curious, about how many more degrees of timing did you end up adding with the fuel change? I keep my car stored at my family's residence in Murrieta most of the year, so when I heard about the availability of E85 in Perris I immediately made switch.
from pump 7 degrees, from pump+torco 3 degrees, plus a leaner lambda
Teching In
Joined: May 2011
Posts: 0
Likes: 0
From: Pasadena, CA
Good info, thanks. That is really cool to see someone in an NA app taking advantage of this. Any plans to build a street car with a high compression motor? How are the stock C6 fuel lines with respect to their durability using ethanol(ie. will you have to switch out lines to, say, teflon)?
Good info, thanks. That is really cool to see someone in an NA app taking advantage of this. Any plans to build a street car with a high compression motor? How are the stock C6 fuel lines with respect to their durability using ethanol(ie. will you have to switch out lines to, say, teflon)?