Originally Posted by Runnoft
A little bit off topic, but do you think an F1R will make 18psi on a 470? I know boost numbers have a bunch of factors involved but if you have decent flowing heads and intake, 18psi is going to be probably 1100-1200 hp. I've raced several different model Prochargers, including an F1R, for a few years now so if it were me- I'd run copper head gaskets with SS o-rings. Also, get a custom cam - I'd call Bullet and give them every detail. Good choice going with a gear drive. Edit --Nevermind - you didn't actually say SCS geardrive.


I am not sure if an F1R can get to 18psi on 470 cubes....I can tell you the heads I am going to use only flow 325cfm and are on my current 400/512 making +700.....That engine needs better heads anyways, so I am going to use the EZ1's I have on this build. The plan is to start at 10psi with a side slinger procharger and spin it up and see where the power band lands. My goal is +1000hp or under 5.50 in the 1/8th, which I think it will do at 10psi....Later, I want to go to the gear drive, and set the engine back to fit it with the radiator. Move the firewall and probably redo the cage.

Last edited by Dragula; 11/20/19 12:29 AM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk