While I personally do not have a problem with this, I believe the spirit of the rules does not permit this since you have created a model that did not exist from Honda. You would also handicap yourself due to the factory sunroof (extra weight) on the Si unless you remove it.
Originally posted by danielbeeson: I have a 86-87 Honda CRX Si Shell, can I Put the 1.5 DX (Non) Fuel Injected motor into it and run in ITC instead of ITA?