I currently have 1250's on AFR 165's and must remove lower, when I took off the upper I ran a vid scope to check for good lower to head fitment and I can see gasket in all ports, except mabye one.
The intake ports in heads are 2.060x1.250 according to AFR's site.
The 1250's are 2.00x1.20 while the 1262's are 2.10x1.28, so seems I'd want the 1262's but AFR's literature days use 1250's on 165cc head?
Any reason I shouldn't use the 1262's to get rid of any turbulence I feel I'm probably getting now?
Advice/input appreciated guys.
The intake ports in heads are 2.060x1.250 according to AFR's site.
The 1250's are 2.00x1.20 while the 1262's are 2.10x1.28, so seems I'd want the 1262's but AFR's literature days use 1250's on 165cc head?
Any reason I shouldn't use the 1262's to get rid of any turbulence I feel I'm probably getting now?
Advice/input appreciated guys.