317 or ported 241s?
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317 or ported 241s?
I am putting an lq4 in my ta, I have a set of ported 241 heads with 2.02/1.60 stainless valves, comp springs , and also the set of stock 317 heads off the lq4. I was planning on using the 241's until I got to reading about how the 317's flowed so much better. I will be running a tr 224/230 111 cam. The heads were on the car when I bought it, the guy said they were lvl 2 ported, but didn't say by who.
Basically I don't know if the higher CR of the 241s would offset the lower flow. And can I mill the 317s enough to get decent CR?
So i have a few options.
Run the 241 set, sell the 317 set.
Get the 317 heads cut to fit the2.02/1.60 valves, swap valvesand springsto the317,sell the241.
Run the 317s with stock valves and sell the 241s with the ss valves.
Opinions?
Basically I don't know if the higher CR of the 241s would offset the lower flow. And can I mill the 317s enough to get decent CR?
So i have a few options.
Run the 241 set, sell the 317 set.
Get the 317 heads cut to fit the2.02/1.60 valves, swap valvesand springsto the317,sell the241.
Run the 317s with stock valves and sell the 241s with the ss valves.
Opinions?
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Good, that's what I wanted to hear!
Anyone know what I can mill these before usually running into ptv issues? I know I will need to check them but I want to get the highest compression I can with these dished pistons. I will flycut if needed.
Anyone know what I can mill these before usually running into ptv issues? I know I will need to check them but I want to get the highest compression I can with these dished pistons. I will flycut if needed.