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01-03-2016, 12:28 PM
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#10 |
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Registered User
Join Date: Jul 2009
Location: Space Coast, Fl.
Posts: 1,050
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Re: Lucy gets a modern powerplant
It'll be interesting to see how your 5.3 does on fuel mileage with no O.D. What rear gear ratio is your truck? I have an '02 GMC 6.0 and when I tow I don't use overdrive .... the mileage is UGLY. I know the 6.0 is thirstier than the 5.3 and the '02 truck is heavy. I like the LS motors but wonder if the better economy isn't due a lot to computer engine management and overdrive. I have a mild 454/TKO500 combination in my Blazer. It'll give a little better than 15mpg at a steady 75mph... OR ... you can blast it around in the lower gears and get 7 or 8, but it's a lot more fun.
Please keep posting on your project, enjoying your progress.
__________________
Dad always said, "Son, WISH IN ONE HAND, and ......." -------------------------------------- -------------------------------------- Current toy trucks: '71 GMC 1500 SUPER CUSTOM short/step, orig. dk. blue, 350/700r, ps,pb, A/C '72 Blazer 2wd, ochre & white, 454, tremecTKO 500 5spd. ps, pb, A/C, tilt Last 10yrs of hobby vehicles, had a FEW more in the 50yrs. before these: '66 Plymouth Belvedere City of Miami cop car clone. '70 Nova 406"sb, 13.5-1, solid roller, Brodix, p.glide/t.brake, back halved, 9" Ford, spool 4.88, cage,ladder bar/coilover, 10.5 tire....... SOLD!! '67 C10 short/step side mount spare -- SOLD!! '72 Jimmy 2wd, 350/350, ps, pb, fun driver, lots of bondo & a shiny red paint job..... SOLD!! '69 Nova 350, 4spd, A/C, ps, p.b, ...SOLD!! |
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