1987caddy Posted June 15, 2011 Share Posted June 15, 2011 Hello everyone. Just finished a 1100 mile trip from Birmingham to Savannah Ga/ Hilton Head Island SC. With 800 miles interstate at 65mph @ 3k rpms and 300 miles in town, we averaged 19.2 mpg. The truck has stock 235 tires and 4.30 gears. Only mods are K&N drop in filter and thrush muffler with no cat. Not bad with 163k miles and a/c on non-stop. Link to comment Share on other sites More sharing options...
WarehouseRat Posted June 15, 2011 Share Posted June 15, 2011 i've gotten mid twenty's once thats pretty adverage really, thats what i get now, non-stop driving makes a huge difference with mileage on these suv's did the gas light come on at all if not then you had almost 2 gallons of fuel left Link to comment Share on other sites More sharing options...
1987caddy Posted June 15, 2011 Author Share Posted June 15, 2011 There were 3 people including myself and about 300 lbs of luggage. If I fix the leaking manifold, might pickup a little bit more. Link to comment Share on other sites More sharing options...
WarehouseRat Posted June 16, 2011 Share Posted June 16, 2011 There were 3 people including myself and about 300 lbs of luggage. If I fix the leaking manifold, might pickup a little bit more. yah 750+lbs of extra weight makes a huge difference lol Link to comment Share on other sites More sharing options...
thehuntersam Posted June 19, 2011 Share Posted June 19, 2011 Not bad at all. That's a lot of weight too. I just averaged mine out this week as well. I'm getting 17mpg with mixed driving. Not bad for 33's a lift. Link to comment Share on other sites More sharing options...
1987caddy Posted June 20, 2011 Author Share Posted June 20, 2011 When the a/c kicks in, I can really feel the motor bog down. Is that normal with the vg30? Can even feel it on the interstate at 3k rpms. Link to comment Share on other sites More sharing options...
WarehouseRat Posted June 20, 2011 Share Posted June 20, 2011 i feel nothing with my a/c running i can hear the compressor cycling at idle Link to comment Share on other sites More sharing options...
Cachefinder Posted June 20, 2011 Share Posted June 20, 2011 Yesterday I finished a 600 mile trip running 75-80mph where possible loaded with ~800lbs persons and gear, heavy steel cargo rack hanging off the back, heavy Warn winch and mount hanging on the front, and AC on the whole trip...got 20mpg. Truck has ~325,000 one owner miles. Link to comment Share on other sites More sharing options...
Precise1 Posted June 21, 2011 Share Posted June 21, 2011 ^Now that is impressive!! B Link to comment Share on other sites More sharing options...
VW_Factor Posted June 21, 2011 Share Posted June 21, 2011 i feel nothing with my a/c running i can hear the compressor cycling at idle Same here. Doesn't really affect MPG running A/C either. Although we don't usually run A/C unless we're on the freeway or whatever. Link to comment Share on other sites More sharing options...
gv280z Posted November 10, 2011 Share Posted November 10, 2011 Hello everyone. Just finished a 1100 mile trip from Birmingham to Savannah Ga/ Hilton Head Island SC. With 800 miles interstate at 65mph @ 3k rpms and 300 miles in town, we averaged 19.2 mpg. The truck has stock 235 tires and 4.30 gears. Only mods are K&N drop in filter and thrush muffler with no cat. Not bad with 163k miles and a/c on non-stop. How can you run without a catalytic converter? I mean, I know you can do it but how do you keep the law off your butt? Tell me about that Thrush muffler. Is that the same I can buy in the auto parts store? The Thrush turbo muffler? Do you get any kind of drone from the exhaust note while going down the freeway? I want a free'er flow muffler but don't want a loud braaap or drone. Was considering putting in a High flow cat from car sound but you just bypassed it all together! Link to comment Share on other sites More sharing options...
Tungsten Posted November 11, 2011 Share Posted November 11, 2011 When the a/c kicks in, I can really feel the motor bog down. Is that normal with the vg30? Can even feel it on the interstate at 3k rpms. i feel nothing with my a/c running i can hear the compressor cycling at idle There is a kill switch for the compressor where if the compressor starts to bog the engine down then it gets momentarily shut off. Link to comment Share on other sites More sharing options...
adamzan Posted November 11, 2011 Share Posted November 11, 2011 That is horse @!*% mine bogs the @!*% out of the truck and it never shuts off in the hot weather. Link to comment Share on other sites More sharing options...
Tungsten Posted November 11, 2011 Share Posted November 11, 2011 I guess sometimes they don't work as designed. Link to comment Share on other sites More sharing options...
birdy99 Posted November 13, 2011 Share Posted November 13, 2011 if your ac bogs the engine, then repairs are required. most likely the compressor going. Link to comment Share on other sites More sharing options...
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