Power loss with aggressive acceleration

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Edelbrock

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Joined
Mar 28, 2025
Posts
162
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138
Location
Earth
First Name
Grumba
Truck Year
1977
Truck Model
K5 Blazer
Engine Size
400
Where should I begin with an engine analysis?


All good info posted so far. Great posts by everyone. Read though every comment, and do what works for you. After all, you are the one behind the wheel. Let us know how it all works out.
 

peats

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Joined
Dec 2, 2016
Posts
323
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294
Location
Pennsylvania
First Name
john
Truck Year
72k5, 81c10 short step, 83k10 short fleet, 03 SSR. 25 chevy doodlebug
Truck Model
k5 c10 k10 SSR doodlebug
Engine Size
406 360 6.2 5.3 171
I had a small block that slowly lost power once. It was a cam and timing chain issue
 

Brownie82C10

Member
Joined
Jul 20, 2019
Posts
36
Reaction score
13
Location
Winter Haven, Fla.
First Name
Joe
Truck Year
1982
Truck Model
Chevy C10
Engine Size
4.1L Inline 6
A correction on the carburetor. It's more likely a 1-barrel Rochester Monojet. The truck performance is getting worse by the day. Many years ago, I has an inline fuel filter installed. It wouldn't surprise me to discover that both fuel filters need to be replaced.
 

tahitiansoul

Member
Joined
May 29, 2017
Posts
45
Reaction score
64
Location
TAHITI
First Name
Marc
Truck Year
1981
Truck Model
JIMMY SIERRA CLASSIC
Engine Size
5.3 LM7
LS swap time
 

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