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Rat77

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Location
Long Beach
First Name
Nick
Truck Year
1977
Truck Model
C10
Engine Size
350
Good afternoon, new here and new to the car world, I currently own a 1977 Cheyenne side step,with a 350 motor.current looking into a 454 big block. My question is is Gen 4 the same as a MK IV? anyone can shed some light would be appreciated thank you in advance
 

1973c10

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Location
Oregon
First Name
Don
Truck Year
1973
Truck Model
C10
Engine Size
454
Welcome aboard :boti:
 

Rat77

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Location
Long Beach
First Name
Nick
Truck Year
1977
Truck Model
C10
Engine Size
350
Thanks 1973c10
 

RedBeard_83

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Location
Florida
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Cory
Truck Year
1986
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Custom deluxe
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Sbc 350
Welcome from Florida
 

Babs

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Location
Ottawa Valley
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Paul
Truck Year
1976
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Chevrolet CUCV
Engine Size
350
:welcome:
 

animal

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Georgia
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Lee
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1986
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c10 silverado
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350ish
:welcome:
 

WFO

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Texas Panhandle
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Dan
Truck Year
1986
Truck Model
K20
Engine Size
350
Welcome from the Texas Panhandle.

There really isn't a Gen 4. Just Mark IV, Gen V and Gen VI. Some might refer to the Mark IV as a Gen 4 though.
 

82sbshortbed

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Location
SE Texas
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Doug
Truck Year
1982, 1984
Truck Model
1500 shortbed, 1500 longbed
Engine Size
454, 305
Welcome from Texas. Got any pics?

Got a BBC 454 in mine and love it. Can't tell ya what Gen it is tho. Lol
 

Craig 85

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Location
Nashville, TN
First Name
Craig
Truck Year
1985
Truck Model
K30 SRW
Engine Size
454/TH-400/NP205
Good afternoon, new here and new to the car world, I currently own a 1977 Cheyenne side step,with a 350 motor.current looking into a 454 big block. My question is is Gen 4 the same as a MK IV? anyone can shed some light would be appreciated thank you in advance

Before you swap in the 454, check with the referee to see what smog equipment is required.
 

oldretiredafguy

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N. Texas
First Name
Mike
Truck Year
1988, 1988, 1991, 1983
Truck Model
GMC V-Jimmy, GMC Suburban 4WD, GMC Suburban 4WD, GMC-2500 CrewCab
Engine Size
350, 350, 350, 350
Welcome from N. Texas!

You must be registered for see images attach


Love that stepside. I lived up in PV, just up the coast from you. Left in 1968, so I would imagine it's changed just a wee bit.

Pictures please! :patriot:
 

Rat77

Junior Member
Joined
Mar 1, 2021
Posts
23
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19
Location
Long Beach
First Name
Nick
Truck Year
1977
Truck Model
C10
Engine Size
350
Appreciate all the reply’s, feed back and support !!!
 

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