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Old Nov 22, 2011 | 06:54 PM
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looking to replace my holley 650 with an edelbrock 600. question is do i need one with EGR or NON EGR??? L-48 1979
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Old Nov 22, 2011 | 06:57 PM
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2 answers here.
1:bad move
2: carbs don't have EGRs.
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Old Nov 22, 2011 | 07:14 PM
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response to tim: why is it a bad move??? and why does the carb come EGR or NON EGR then
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Old Nov 22, 2011 | 08:37 PM
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Originally Posted by 79 vette head
response to tim: why is it a bad move??? and why does the carb come EGR or NON EGR then
To put it simply, some engines have an EGR valve, some don't. it operates off of engine vacuum, and some carbs have an EGR vacuum port, others don't. So, it's the engine that has an EGR valve, not the carb, but carbs meant to go on an engine with an EGR valve will be set up for it. S, you need to figure out if your engine still has an EGR valve (alot of them have been removed), and, if so, do you want to keep it.


Scott
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Old Nov 23, 2011 | 10:52 AM
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It's only a bad move if you don't plan on ever rebuilding it yourself. In general, Holley carbs are more user friendly...tweeking/refurbing...than other brands, although I have no experience with their smog carbs.
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Old Nov 23, 2011 | 11:24 AM
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Why do you feel the need to go from a Holley to an Edelbrock?
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Old Nov 23, 2011 | 05:30 PM
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Originally Posted by roco71
why do you feel the need to go from a holley to an edelbrock?
b-i-n-g-o
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Old Nov 24, 2011 | 07:22 AM
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from what i was told an edelbrock will give me less trouble and better gas mileage....i'm always adjusting the carb.....
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Old Nov 24, 2011 | 08:22 AM
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Originally Posted by 79 vette head
from what i was told an edelbrock will give me less trouble and better gas mileage....i'm always adjusting the carb.....
Ok then were telling you a Holley will give you less trouble than an Edelbrock.
Now what?
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