Big Block Pictures? Under the hood?

• Jan 16, 2019

• #1

Best truck design

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Lexington KY

First Name

Chas

Truck Year

1973

Truck Model

Sierra C2500

Engine Size

350

Can somebody post some photo's of the correct factory configuration of a Big block 454 WITH A/C in 1973 to 1975?

Trying to get a reference how it looked back when it was built.

 

• Jan 17, 2019

• #2

bucket

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Usually not in Ohio

First Name

Andy

Truck Year

'77, '78, '79, '84, '88

Truck Model

K5 thru K30

Engine Size

350-454

How about '78? It was the last year for no smog stuff. No EGR or evap or anything, I'd guess it's the same as earlier years?

 

• Jan 17, 2019

• #3

Snoots

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Georgia

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Roger

Truck Year

1973

Truck Model

Jimmy Sierra

Engine Size

350

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• Jan 17, 2019

• #4

bucket

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K5 thru K30

Engine Size

350-454

Snoots said:

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That makes me sad. '69 Impala custom coupe and in medium blue too.

 

• Jan 17, 2019

• #5

shiftpro

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BC Canada

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shiftpro

Truck Year

73-87

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1500, 2500, 3500

Engine Size

350, 383, 454, 496!

Snoots said:

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It's a typo...
should say "For Sale, Chevy with Big ****** Rock".

 

• Jan 18, 2019

• #6

Catbox

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Just Outside of Portland Oregon

First Name

Peter

Truck Year

1979

Truck Model

C20 Silverado Camper Special

Engine Size

461

All I have is a big block with A/C in a 1979 variety....

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• Jan 18, 2019

• #7

Shorty81

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North West ohio

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Darren

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86

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K20

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496

No smog, evap, egr, just big block Chevy

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• Jan 18, 2019

• #8

Snoots

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1973

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Jimmy Sierra

Engine Size

350

shiftpro said:

It's a typo...
should say "For Sale, Chevy with Big ****** Rock".

Click to expand...

Picky ***** ain't ya? You need a drink.

 

• Jan 18, 2019

• #9

bucket

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K5 thru K30

Engine Size

350-454

Bone stock '78. Should be similar to the earlier years, just with blue paint.

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• Jan 19, 2019

• #10

Snoots

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1973

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Wish I had one.

 

• Jan 19, 2019

• #11

Doug13

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Ringgold Geroiga

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Doug

Truck Year

1984

Truck Model

Surbanban

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350c.i.

Snoots said:

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That is NOT going to buff out...lol

 

• Jan 19, 2019

• #12

RetroC10Sport

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Green Bastard Parts Unknown

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2001

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pontiac aztek

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3.4

I need pics too, going to do the A/C on Bertha before summer.

 

• Jan 19, 2019

• #13

78C10BigTen

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pennsylvannia

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Ted

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1978

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C10 BIG TEN

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Snoots said:

Wish I had one.

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As do i. Im liking that red 496 up there!

 

• Jan 19, 2019

• #14

chengny

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NH

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1986

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K3500

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350/5.7

Best truck design said:

Can somebody post some photo's of the correct factory configuration of a Big block 454 WITH A/C in 1973 to 1975?

Trying to get a reference how it looked back when it was built.

Click to expand...

The attachments below are from the 1973 service manual and the 73-78 parts lists and dwgs. They might be of some help:

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• Jan 21, 2019

• #15

73454GMC

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Location

Greensburg, PA

First Name

John

Truck Year

1973,79,80, 84

Truck Model

1500

Engine Size

454

Not pretty but all original except headers. (And tune up parts of course)

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