1971 Demon 340 T/A build help

LA “X” heads , the only difference in The T/A head and X head was angled pushrod for future larger porting if needed. But in there stock fashion they are the same 2.02 performance, the t/a heads also has adjustable rockers which i have changed to as well. So essentially i have the exact same performance standard the t/a had just has straight pushrod instead of angled. They did angled pushrods as stated before for additional future racing porting. So i even went as far with this build so far as making the head the same performance standard

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no,..not for extra porting, T/A heads dont have push rod pinch from factory cause push rod hole is moved over, hence the off set T/A rockers, more to them than just big valve X heads!!! very big difference in availability and price!! ant trying to bust your balls bout this, just trying to help you understand the difference!