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I have trick flow 270s on my 512/400, which means the only intake option I have is the Indy 400 I-2 or the 4500 version. I did notice for an extra $500, Mancini sells a version set up for fuel injection. Is the difference worth it? What all do you need to run that vs throttle body efi? I...

I know many prefer electric pumps. I just placed a big order from 440 source and added on one of their high volume mechanical pumps. Will this be good enough for 650 ish hp? It says 8 psi and 80 gph.

I am in the process of building my 512. About to pick the block up from the shop. It will be getting a 10.4:1 512 kit from 440 Source, topped with trick flow 270s and an Indy single plane. I’ll either be putting in my Hughes roller cam or the 713 lunati voodoo cam. It will be in a 4 speed car...

Can these be converted back to standard/non-pull through blower applications? I know the power valve runs on boost vs vacuum.

Looking into getting a mighty demon 850 with annular boosters for my build. Looking at building a 400/512 with 10.5-11:1 compression, trick flow 240 heads, Holley street dominator intake and a 254/258 duration cam at 0.050 with .608lift on a 109 lsa. Is this going to be properly sized, or...