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Old 09-17-2007, 11:07 AM   #15
Scott68-93-97
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Join Date: Jul 2006
Location: Fair Oaks, CA
Posts: 475
Re: 305 v8 or 250 I6 for better mpg

Keep the 350 and put a q jet on it maybe an overdrive tranny, fuel injection, new gears. If you go with a 305 youll just have your foot in it farther to get it down the road, I had a 305 in my old malibu and swapped in a 450hp 350 and my milage didn't change much until I swapped out the 2.73 gears for 3.42 thats when my milage suffered. Even the bigger jets in the carb didn't kill it if you kept your foot out of it
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1968 Short Fleet 350/700r4
http://67-72chevytrucks.com/vboard/s...d.php?t=249435
1997 Bagged XtdCab Vortec350/4L60e
http://67-72chevytrucks.com/vboard/s...44#post2286144

1993 XtdCab Longbed 4x4 6.5Turbo/NV4500 "Daily Driver"

1985 Toyota XtdCab 4x4 22re/W-56/Dual T-cases, Doug Thorley Header, Homebrew front and rear spring packs, Tons of Mods to suspension and drivetrain, 35" boggers, coming soon ARB's and 5.29's, Possible 4.3/700r4 swap
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