Posted on February 9, 2020 by ameadminKiller C1 at Grand National Roadster Show This killer C1 was on display at @gabescustominteriors_ during the Grand National Roadster Show. While we recommend that C1ΓÇÖs use either a SBC, LS or LT because the engine compartment is so tight, this car is running a 572 for power. Well played.