Rpo codes

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Wallace6

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Ray
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Suburban
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Just wanted to throw this out there
 

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Wallace6

Full Access Member
Joined
Aug 4, 2023
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144
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77
Location
Wyoming
First Name
Ray
Truck Year
1987
Truck Model
Suburban
Engine Size
350
It does have a gas engine swap and I can't tell if it had hydra booster originally? There is a vacuum booster in there currently but I don't see any marks?
 

PrairieDrifter

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84,79,77,70,48
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Suburban k10, bonanza k10, c30 C&C, c10, gmc 1/2ton
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350, 350, 350, 350, 350
I see a jd5 so yes it's supposed to be hydroboost.
 

Keith Seymore

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4.3L
Just wanted to throw this out there
GMC 1/2 ton Suburban, '87 model year, built in Flint.

Most of the Suburbans built in that time frame were pretty highly optioned.

Note that for GMC that year the VIN sequence started at 500001. Chevrolet started at 100001.

K
 

Wallace6

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Location
Wyoming
First Name
Ray
Truck Year
1987
Truck Model
Suburban
Engine Size
350
I appreciate it, thanks. Just trying to figure this thing out lol. I'm not new to squares either lol. Glad it has 3.73 ratio and apparently a gov bomb but we shall see.
 

Wallace6

Full Access Member
Joined
Aug 4, 2023
Posts
144
Reaction score
77
Location
Wyoming
First Name
Ray
Truck Year
1987
Truck Model
Suburban
Engine Size
350
Since it was a diesel,I expected hydra booster but definitely not there anymore. Weird thing is I see no witness marks either. And a 7300 gvw seems odd but ok . This thing has a 159000 on it according to a log book I just read, so who knows what has been changed? Other than the engine lol
 

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