You won't be able to use the foot starter with the V-8 as it is not compatable. When I did my V-8 conversion I fabricated a plate to hold the starter pedal in the original location. It still gets noticed and people ask what it is.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine