ok back to the begining. got a jeep the other day which has a supposid 454 in it. heads on it are the 781. but the number on the block by the alt are wierd... they are c8f441236.. any idea? i cant get to teh back casting numbers to see. there are also some numbers directly in the front center of teh block below intake that are-T0410TSH not sure if they are number or letter O but.. yeah

anyways.. any insite on this??