I doubt it. The form for submitting your entry indicated
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">It will only be seen by us at Source Motors and the good people of GOBI </div></BLOCKQUOTE>
The timing it probably pure coincidence. It may have been somthing you (or a party you've dealt with) did months ago that set the wheels in motion and just recently spammers got their hands on your address.