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Old 08-14-2010, 07:53 PM   #1
oldskewltandem
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Location: proterville, ca
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87 454 2wd cc smog questions...

i have an 87 cc dually 454. needs to smog next week. truck has one smog pump and no electronics.

looks like a vacuum switch in the intake thats heat operated.

anyone have any pictures of the vaccum lines?

oh and i am in california...

thanks again,

d
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Old 08-15-2010, 12:17 PM   #2
Matt Man
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Re: 87 454 2wd cc smog questions...

Quote:
Originally Posted by oldskewltandem View Post
i have an 87 cc dually 454. needs to smog next week. truck has one smog pump and no electronics.

looks like a vacuum switch in the intake thats heat operated.

anyone have any pictures of the vaccum lines?

oh and i am in california...

thanks again,

d
Does your truck have cats? stock intake manifold? stock air box? ect
__________________
86 c30 crew cab dually 454/400 4/6 drop SOLD 1-8-11
1981 chevy K10 short Bed Scottsdale SOLD 10-26-2020
67 GMC Stepside Straight six/3 on the tree "The Peach"
2020 Silverado Double Cab LT Z71 5.3 8 speed Daily Driver

K10 build http://67-72chevytrucks.com/vboard/s...d.php?t=671934

The Peach build http://67-72chevytrucks.com/vboard/s...d.php?t=733903



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Old 08-15-2010, 12:25 PM   #3
oldskewltandem
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Join Date: Jun 2010
Location: proterville, ca
Posts: 3
Re: 87 454 2wd cc smog questions...

when i bought it, the PO smogged it and it had

no cats
one smog pump
B&M mega blower (174) wEGR
edelbrock carb
smog headers
stock air cleaner
charcole canister

couple of things i need to know...

is the blower still ok for smog
a vacuum line diagram picture

if i need to put a factory intake back on for smog i will.

thanks,

d
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Old 08-15-2010, 12:37 PM   #4
Matt Man
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Re: 87 454 2wd cc smog questions...

the truck will need cats for sure, that truck is supposed to have tbi, i would try to take it to the shop that the po took it to have it done.

Also i dont have a diagram.
__________________
86 c30 crew cab dually 454/400 4/6 drop SOLD 1-8-11
1981 chevy K10 short Bed Scottsdale SOLD 10-26-2020
67 GMC Stepside Straight six/3 on the tree "The Peach"
2020 Silverado Double Cab LT Z71 5.3 8 speed Daily Driver

K10 build http://67-72chevytrucks.com/vboard/s...d.php?t=671934

The Peach build http://67-72chevytrucks.com/vboard/s...d.php?t=733903




Last edited by Matt Man; 08-15-2010 at 12:39 PM.
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