OB_bigabusa
Registered
been working on big busa's all year, with cams, pipes, carbs, pistons, cranks, etc. have built a 1543cc (5mm stroke x 4mm over bore). with Yosh pipe, cams, flowed head, but std injection +10% on Yosh adjuster box, gave 230 bhp, 135 ibs torque. any one else playing out there. I am having a billet 8.5 mm crank and rods made with JE 3 mm o/s pistons to give 1585cc.
so far have seen more bhp with Keihin FCR's than Modded injection with open airbox, but I'm working with a PC2 to see if i can equal or better my carb figures. emailed Russ Collins to see what route he thinks I should go. but havent had a reply yet. I have set up a kit car with a busa engine running open injection and a race pipe with only the adjuster box and it works great. std engine running through a reversing box and differential and it still gave 158 bhp at the wheels of my Legend's Dynojet 178 dyno.
so far have seen more bhp with Keihin FCR's than Modded injection with open airbox, but I'm working with a PC2 to see if i can equal or better my carb figures. emailed Russ Collins to see what route he thinks I should go. but havent had a reply yet. I have set up a kit car with a busa engine running open injection and a race pipe with only the adjuster box and it works great. std engine running through a reversing box and differential and it still gave 158 bhp at the wheels of my Legend's Dynojet 178 dyno.