I would swap the motor first, and it just so happens i have a complete ls long block for sale for $400. Its out of a 98 teg and has 82,*** miles on it. You will get many answers to your questions on here, like boost your d series or go b series and some people just say your screwed you drive a honda. But in the end it comes down to what you want out of your car. Tell us what exactly you are looking for out of your car and we can provide further help.