Ive got a full turbo kit with a GT42 and now im looking to get the longblock setup. I have the opportunity to purchase a low comp forged 383 with AFR195's and port matched LT4 intake. Are the afr 195's big enough to support a gt42 and make 700+ rwhp with room to go bigger when i want ?

or should i just buy the shortblock and put a different topend setup on it? any recomendations on what heads and intake work well with a 76mm turbo LT1

 

well alot of peopel are running 76mm turbo with stock heads so im pretty sure any aftermarket head will be ok