Stroking a 318 to a 390

Garrett Ellison said

And some more good news on the 390 inch 318 build. New valves, others were bent during extreme valve float and improper geometry, and waiting on a new set of push rods to finish the long bock. Compression came in at 10.6:1 with .90 Intake valve clearance and .128 exhaust valve clearance. Comp XE 275 HL with 1.6:1 rockers for .560 lift installed on 107 ICL from 106 for intake closing of 65 degrees ABDC.

Click to expand...

You're gonna love that cam. With pissy ProForm blue shaft 1.5 rockers (customer's cheapness-LOL), we made obscene street power and torque 2500-6500rpm in a '72 Duster back in the early 2000s (04?). We used a (cheap!!) MP 360 shortblock, which was basically a Magnum 5.9L core block, drilled for shaft oiling and bored .020" with 2-eyebrow Speed Pro pistons (near zero deck) and a .508" MoPar cam. We shitcanned the .508 and stuck the XE275HL in at 106* with some OOTB Edelbrock RPM heads and an LD340. With a 2500 stall 11" converter and 3.23 gears, it was an absolute joy to drive and a beast WOT! In your 390, you better multiply that fun factor by 10% at LEAST!!