First off, thank you all for being here!!!
What I have: 88 K5 Blazer 350TBI, no engine mods, very tired.
Parts I have: 97 vortec w/less than 15K miles but cracked head. 69 camel hump heads from an old project w/less than 5K on them, screw in studs, 1.6 rollers, Manley race flo valves 2.02/1.60 unshrouded will have to CC them, guessing about 65. 85 TPI lower, 89 TPI upper, 7730 ECU, 22lb injectors, Edelbrock tubular exhaust, no AUJP yet, but since I plan on burning, do I need it?
What I'd like to do: Put it all together! The cams I'm looking at for this are rollers with 209/213 dur 444/477 lift on 112 or 206/210 dur 480/512 lift on 112. Thought about a bit larger, but TPI has its limits and from what I've read here MAP tuning gets uglier with duration. The heads will affect the low end, but will handle the lift. I'd like to get close to 400HP as possible, and keep some mileage.
I need your help in the tuning of this. I've built many engines, but this is my first computer controlled motor. Any advice is welcome and appreciated!!! Bottom line is, I love my old Blazer, but it needs some kick to keep up with the new stuff. I will be buying the needed programming equipment. I'm tech savvy, just not familiar with automotive systems. Thanks!
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