yea, the engine will be much more worth it at the moment. you've got some decent handling mods already for the street. the upgraded suspension will be more of a factor down the road when you track it...
might want to upgrade the valves while you got the head off. high cr pistons would be nice but not necessary for power.
i've seen dynos where they made 30+hp with bc4 and a tune only.
Disclaimer: The following is provided as a GUIDE ONLY, and neither myself nor Ozhonda take any responsibility for the outcomes of someone else doing the following. You follow these steps at your own...
PM'd.
Depending on your car, if its obd1 then it will be plug and play. If not, you'll have to order the harness which will make it a bit more.
But my product (p28 w/s300) came in less than a week,...
top quality I/H/E, port&polished head, aggressive crower cams 403s, valvetrain, ECU, tuning. won't get you 30kw, but it's probably the most you can do for a b18b.