I did a few upgrades to my motor and I dont know if the size of the tb is right?
the specs are

b20 block
arias pistons 11.5.1
eagle rods

b16 head
I was with skunk 2 tb 68mm
skunk 2 pro intake manifold p&p
p&p head
supertech valvetrain
skunk2 stage 3 cams
I was with a DC headers 4 1 2.25

and i have a rs machine tb 74 mm. and type r headers,,but Im not sure about the size of the tb...my builder said is ok but I dont know?

my motor put down 214whp and 154tq and a mustang dyno

help!!!

 

check out this link

the author uses ford V8s as reference, but the principals works the same no matter whos name is stamped on the motor.

 

good info..thank you