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Customer q:
When taking off from a stop, when I slowly push down on the gas pedal just off of idle the engine will suddenly accelerate and the truck will lunge forward. I don't have engine bog at driving speeds, just aggressive acceleration just off idle. Can I correct this by changing the step-up springs? The carburetor has the springs installed that came with the carburetor from JEGS, If so, which color spring do you suggest I try?
CAR MAKE & MODEL
ac = No
drivewheel = 2WD
engine = ZZ502 crate engine from JEGS
fuel = EDELBROCK 350-1813 AVS 800
make = CHEVROLET
model = C20
name = Norman Vague
pwrbrk = Yes
pwrstr = Yes
trans = AUTOMATIC
JEGS ANSWER:
Hello!
Thank you for giving Jegs the opportunity to assist you.
Yes, changing the step-up spring will allow you to slow the metering rods that should slow this acceleration down slightly.
Should you need further assistance please feel free to contact us.
Sincerely,
Bob Grace
JEGS Customer Service
car specs
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