Mine is the ls2 kenne belle supercharged engine, the guy i spoke with at turn key sounds nice enough,i overnighted the parts to them,didnt hear anything so i called a week later and he said he didnt have my phone number or email or contact info,even though i enclosed a printed piece of paper with all my info. The reason i would like to switch aside from the lack safety in the efi is nobody in my area wants to work with mefi,and the mefi burn is another investment on its own.Also if i go with gm wiring i can control my 4l60e using an oem ecm not the aftermarket controller it currently uses. Its my fault,i shoukd have done my research before i bought the set up. I wish you luck with your car
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Originally Posted by Matt.A
Transam, that is a really wise choice to just ditch the MEFI 4B while you can. I would, but that would open up an entirely new can of worms, and I just want to be driving my car again. The OLC is using a MEFI 4 as well, and I think it has proved that the computer can be reliable behind power, so long as you aren't using a crazy high power, high boost turbo motor, or anything else complicated. One last thing, if your motor puts out considerably less power than advertised, do something about it. My original LS2 from them was advertised as their "510hp" crate motor. Even after spending an additional 3k on better heads and cam with them, which they claimed would give me another 50hp it only made 430whp. Similarly, that El Camino that I was talking about is a 402 with a Kenne Bell on it, and it only made 520/540 on the chassis dyno. While I was unhappy with the power my LS2 made, I can believe that there is that much of a disparity in power readings if they are advertising gross horsepower. If the 402KB motor was mine though, I would be knocking down the door after dropping almost 25k for something that is supposed to make in excess of 700.
I have one last thing to rant about. First, I want to say, I understand that shops make mistakes, I also understand that sometimes things don't go as they should, and that not everything should be blamed on a shop. When we pay a shop to hot rod something, and experiment with parts, etc. there are certainly no guarantees on the outcome. This scenario is different though. When Turnkey put the heads and cam on the LS2 of mine, they somehow lost an o-ring shaped gasket that goes in the valley cover plate that caused all kinds of oil to shoot out of the cone shaped casting (used in displacement on demand vehicles) and get sucked up through the pcv tract. I only found this out when I was transferring parts from the LS2 to the 454. Which reminds me, when I pulled the valley cover plate off Rupp's 454 it only had one, yes ONE, of the eight gaskets in place. I only gave them the benefit of the doubt to tune my car because they had tuned it several times before. Looking back, that was an idiotic mistake on my part, but it probably wouldn't have mattered at that point anyway.
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