@@PJester idk yet, thinking about getting a used engine on eBay.. have yet to decide if I buy used and build or pull it and build and put back.. time will tell
@@davidgrant8690 zfg is a great tune! Although we do need to keep in mind that this took place with zero revisions on the e85 tune. We are going a few tenths faster now and 5-6 mph faster! It's come a long way. Trial and error.