ok guys i need major help i purchased this mustang it is a 351w bored to a 357 with 11 to 1 compression with edelbrock performer rpm heads and edelbrock performer rpm cam but my intakes are throwing me off the guy prevously had the 351 trick flow r series as the bottom intake and he said the top is the track heat one but now im trying to figuar out what to do i dont know if i should change the top to the r series to match the bottom or change the bottom and match the top and isnt the trick flow r series the only one made for the 351 and not the other ones