Quote:

Stock block Steve.

I had a 378 which is a 360 bored .100" over. It ran 9.90's at 3400 lbs.



Well the OP said factory block. I suppose the R3 is a factory block, but considering there isn't much of anything else out there you could construe that to mean stock block.

"Follow me the wise man said, but he walked behind"


'92 D250 Club Cab CTD, 47RH conversion, pump tweaks, injectors, rear disc and hydroboost conversion.
'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost conversion.
2019 1500 Long Horn Crew Cab 4WD, 5.7 Hemi.