what kind of info would you like - when i built the motor - it was with a streetable hp in mind - i did build the motor myself - since it was very simular to a 4 cyl chevy - I built it as I would a small or big block chevy (had my own boat shop at the time) - mains @ 2.5, rods @ 1.5 - flowrite systems in lemon grove CA did a street port and polish job with flow bench work - head now has a13 valves with sig erson inner & outer springs - crower cams regrind (210f grind) melow cam with great 4000 to 7000 rpm range (keep it buzzing) - dcoe 40 - trimill header and Jack Brabram designed (lukey exhaust from Aus) - the only car I have ever owned that I could redline in high gear - now running a stocker with intension of refreshing the good engine - have fun - keep it upright