You guys are not familiar with my project. About a year ago Jeramie (92Bird) convinced me to swap an SC motor into my Merkur XR4Ti. I was originally going to use Dr. Fred stage 1 heads along with the 520 cam and an MPX. After searching the forums and getting a ride in Todd Jelle's car I decided that I wanted a twin screw blower for my car. I initially bought a Whipple blower which turned out to be a 1.33L unit, which would obviously have been too small. I finally lucked out and got my hands on one of the new 2.1L "Big Bore" Kenne Bell blowers for a decent price. Now the motor build will be changing significantly. I'm planning on a 4.2 crank with the 351W h-beam rods, forged pistons, SuperSix stage 3+ superheads, 75 lb injectors and a good size front mount IC. A stud girdle will probably be a good idea as well. This is being mated to a built T56 transmission with an SC rear end complemented by a Detroit TrueTrac and 3.55 gears (those have already been in the car for the last 6K miles or so and working beautifully). I also have a Universal AEM EMS standalone for this, so tuning should not be an issue. The car should be pretty insane at about 3200 lbs.
From preliminary research the blower is capable of 20+ lbs of boost on the DOHC 4.6 motor, so it should be fun on a 4.2. I'll probably need to underdrive the blower a little bit to keep the boost levels manageable, which should (hopefully) decrease issues as far as the extreme crank snout loads being placed on the crank by a PD blower. I have a buddy with a machine shop and also have a lot of tools myself, including a Tig welder, so fabrication should not be an issue.
Anyway, here are some preliminary pics of the blower sitting on the intake. It's actually pretty compact at about 8"Wx10"Lx5.5"H:
From preliminary research the blower is capable of 20+ lbs of boost on the DOHC 4.6 motor, so it should be fun on a 4.2. I'll probably need to underdrive the blower a little bit to keep the boost levels manageable, which should (hopefully) decrease issues as far as the extreme crank snout loads being placed on the crank by a PD blower. I have a buddy with a machine shop and also have a lot of tools myself, including a Tig welder, so fabrication should not be an issue.
Anyway, here are some preliminary pics of the blower sitting on the intake. It's actually pretty compact at about 8"Wx10"Lx5.5"H: