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  1. #1

    Default 94 silvrdo 5.7 crappy fuel milage?

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ID:	23830anyways 300,000 miles . Would replacing the 'egr valve help.; I HAVE AIR RAID COLD AIR INTAKE,EDLBROCK INTKE MNFLD TBI SPACEr,3"free flow ehst w/flowmstr mufflr, looking to get better gas milage

  2. #2
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    murdog94's Avatar
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    Quote Originally Posted by caddiac View Post
    What is your definition of crappy
    X2, since the TBI isnt know to be awsome on gas but they will last well beyond the 300K mile mark. also when was the last time that you did a tune up?
    Also motor/trans etc info would help as well.
    Mike

    Currently

    1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).

    2009 Saturn Aura XE (wifes car)

    2011 F-150 Crew 4X4

    "Hold it to the floor till you see God.... Then Brake!!!!"

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    Welcome to the GM truck club Turbo. That's some pretty deep snow
    1988 Chevy C-3500 2wd (no pic)
    350 c.i. 5.7 L Stock Block, 4 Bolt Mains
    L-31 Vortec Heads, Edelbrock Cam & Intake,
    Holley 650, Flowtech Headers, Magnaflow exh.
    Jet Trans 700R4, B&M Ratchet, 4:10 gears,
    3" susp. lift kit "shadetree"
    No rev limiter, No speed limiter lol


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