My 421 SBC dyno pulls.

My 421 sbc dyno pulls, First 3 pulls were without a spacer, we put a HVH sucker sucker 1 inch spacer under the carb and it made 743 at 7500. Very pleased with the engine build.
#sbc #421stroker #chevystroker #chevelleengine #chevydyno #makinghorsepower #enginedyno #chevypower #sbc #421sbc #chevelle #enginedyno

[@harrygregory7618]

Got my 421 by 13 ponys....730.1at 7500....573tq at 5700...loves to sing😎

[@bubbabearoutdoors2020]

Awesome, Numbers are almost matching

[@440snowmobileenginegokart4]

What heads and cam? I am building a similar 421 sbc.

[@bubbabearoutdoors2020]

AFR 235 with AFR Intake and Lunati 4/7 swap drag cam. #40121277LK

[@440snowmobileenginegokart4]

@@bubbabearoutdoors2020 Thanks

[@erasedfromgenepool.4845]

How much too build me that motor I've got a gen4 6.0 with ls3 heads if I gave you the motor and had the heads ported with a valve job .. What kind of money am I looking at? Im very serious.....

[@bubbabearoutdoors2020]

Man just parts alone was about 8 grand, then there was machine work.