holley carb secondary springs Grumpys Performance Garage
Holley Vacuum Secondary Spring Chart. Web to increase the secondary opening speed install a lighter spring. Web holley equips all vacuum secondary carburetors from the factory with the heaviest (black) spring, which opens.
Web holley equips all vacuum secondary carburetors from the factory with the heaviest (black) spring, which opens. Web to increase the secondary opening speed install a lighter spring.
Web to increase the secondary opening speed install a lighter spring. Web to increase the secondary opening speed install a lighter spring. Web holley equips all vacuum secondary carburetors from the factory with the heaviest (black) spring, which opens.
