I sure like reading them as a fan of many engines in the Ford family and it is Ford content so it's not like it's clogging up the site with SBC's and such ,besides exactly how many guys on this thread are sharing dyno pulls ? Post em if you got em

Jegs had some phone issues recently, I've been calling them maybe 15 times in the last few weeks and maybe I got lucky but I always get through . I also use Summit, Speedway and Competiton Products recently and all good for me

Tunnel port probably makes it a little more challenging for port fuel injection with the pushrod tubes and injector bung placement (maybe not?) and throttle body injection to me is like going back to the 80's working on new cars and yes they are getting better but all the guys that bought a sniper 1 now wish they would've waited for the Sniper II and sooner or later Sniper III will come out, either way seems to require a lot of extra parts and wiring just to replace a mechanical fuel pump and carburetor

I've had my eye out for a used performance built C4 on Ohio drag race parts FB group but to switch from C6 is costly even with used and that's rebuilding it myself, my C6 broke a band and I've been thinking about going back to automatic from the 4 speed so I might try a light weight drum and sun shell first on the C6 before I go C4 as it knocks almost 8 pounds off of the rotational weight and might bridge some gap between C6 and C4

https://www.mts-performance.com/product_info.php?products_id=123&osCsid=k8sl1e4u0j5i36be6vq8m3fih2

They do a lot of work for other machine shops too , our local shop had the crank ground and assembly balanced at Ohio Crakshaft for us on a brand X and our new Snap On Tool distributor worked there for 10 years and says it's a good place that's quality driven , I would say you'll be fine

The big difference is that these have already been tested for strength so that part is a done deal , out in the field testing is next I assume

Blair Patrick should have them

Use it since you have it