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Customer q:
I have a '78 Pontiac 400 stock and I want to rebuild it to make 450hp 9.5:1 pump gas. What parts or kit would you guys recommend?
CAR MAKE & MODEL
ac = No
drivewheel = 2WD
engine = 6.6 V8 400
fuel = Carb
make = Pontiac
model = Trans Am
pwrbrk = Yes
pwrstr = Yes
trans = auto
year = 1978
JEGS ANSWER:
Using a fresh 400 short block, you could use Edelbrock top end kit #350-2053. Using this kit, you will make around the 470hp area.
If you need any additional assistance on your project, we are here to help 24/7. Just let us know.
car specs
social media
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