Modified | Diesel Place

BoboStockTransStartertune1

1

171

5

250

by tutonepepperoni

2005 OS15228758 CAL15246462 Tow tune w/40HP gain

4

309

Econ / Power Tune v6 + 120 hp

4

238

BoboStockTransStarterTune1

1

84

2

149

2

70

by andrewvega24

2004 LLY mileage plus some zip

4

205

by TRUBBS

1

101

Chevy350 - LLY Tune

3

126

4

182

by Chippy Miller

1

64

by tblu92

2005 LLY V7 Tune +60 HP

2

188

Chevy350-LLY Hot version 2

1

152

Econ/Power Tune +60 hp version 6

4

173

BoboStockTransStarterTune2IdleFix

4

91

by Redbowtiesx2

Econ / Power tune v6 +100 hp

2

149

LLY Open vanes @ Idle

2

109

by duramax outlaw

what do ya think

1

88

Chevy350-LLY Hot version 1

1

122

1

143

BoboStockTransStarterTune2IdleFix

3

84

Econ / Power Tune V6 +60 hp

1

78

BoboStockTransStarterTune2IdleFix

1

49

Economy Tune V4

4

81

by Ted308

OS 15231600 Tow/Economy Kodiak tune

1

74

by kodiak

What stock should be

1

89

by deadsquirrel

2005 LLY OP, 15228758 Cal, 15231599 Egr disabled, and speedo alt for 265/75 R16

1

94

1

211

by wygren

BoboStockTransStarterTune1

1

57

by bobo

1

72

by wygren

1

113

by CHEVY052500HD

LLY DSP MILEAGE TUNE WITH GOOD POWER

1

215

Econ / Power tune v6 +80 hp

1

134

1

54