My 94 ECRB Sierra 4x4.

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94Sierra4x4

All out OBS.
Joined
May 11, 2012
Messages
3,200
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83
Location
Vancouver Island, British Columbia.
Oh yeah, go figure. Went to lordco because nobody else was open earlier.. go figure they had a trans dapt 9171 breather cap in the back. 3/4" push in breather.. just like I asked for the past 3 times I was in there, except i didnt have a part# -.-
 

Blue_Z71

Newbie
Joined
Nov 8, 2012
Messages
40
Reaction score
3
Location
Bryson City, NC
3.73's are definitely a plus, I had 4.10's and 35" Buckshots and it had more power than those all stock 305 equipped trucks. A compression check would be the first thing I'd do and go from there. I was getting 13mpg on a good day, usually 11 or so loaded or unloaded.
 
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