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3.6 is COMPLETELY different engine, and they range from 270-325 HP.
3.8's are push rod, port injection engines.
3.6's are dual over head cam, variable valve timing, with gasoline direct injection. (Injectors straight in combustion chamber.
<li class="pad_b">Engine: 3.6L V 6 DOHC with variable valve timing and four valves per cylinder <li class="pad_b">Unleaded fuel <li class="pad_b">Fuel economy: EPA (08):, 17 MPG city, 28 MPG highway, 20 MPG combined and 380 mi. range <li class="pad_b">Gasoline direct fuel injection <li class="pad_b">19.0gallon fuel tank
Read more: http://www.motortrend.com/cars/2013/...#ixzz22gJ387f3
These cars are heavy and that eats up plenty of gas...if they were 3000 pounds or less the city gas mileage would be better. GM is still behind and their CEO said this week, "we have to do a better job" No heavy car gets 22+ mpg in everyday driving.
I used to get close to 30 all the time with the 3.23's on highway drives and mid upper 20's around town. With the 3.42's and the car getting older/the driveline whining more I'm getting 25mpg max - maybe down to ~20 if I push on it a bit more - I probably could get it lower but I don't drive my card hard often. I don't do much 'inner city' but my area is a lot of around town type driving. I've done more 5 mile trips and am sad my mpg went down from 25 to 23. Then again I don't rip away from every light and try to save momentum as much as possible in my driving. Having an m5 and getting to choose your shift points helps. The 3.42's probably increase city milage as you can shift quicker through the gears keeping the rpms down (though accelerating slower). I shift at around 2k or less when trying to maximize mileage though it seems I have to shift at 2500+ to keep up with traffic from a stop. With 3.23's and a healthy engine/good wheel bearings / transmission / rear I would think the car is capable of over 30 highway going 65.
96 White M5 Camaro. Manual everything. Magnaflow cat, dynomax dual outlet axle back. Swapped to a disc rear with 3.42s and a torsen differential, kyb gr2 rear shocks, moog rear endlinks.
To get 30mpg U would have to get 480 miles per tank. I have to question if you know the math to calculate MPG. You would be the first in history to get a 4000 pound car to get 480 miles out of a tank of gasoline.
OP.. I'm just curious...is there a particular reason for the heads coming off before you drop the engine? And in all honesty, how hard is the engine swap? I've done a few swaps in the past, most recently a 2.5L Ranger, but never one of our cars.
And the fuel mileage arguement... I typically get 330 or more out of a tank of gas running it next to dry. My fill-ups are 14+ gallons of 93.
I never let mine go long below half a tank. Running it all that low isn't great for the fuel pump.
I don't have math issues harbor. I've seen others argue this MPG thing and one on ls1tech called me a liar and "I couldn't tell him anything otherwise since he was a GM service manager."
Our city traffic is nowhere as dense as other areas. 200k people give or take.
The math I use is miles since fillup / gallons to fill up - the most accurate way I've come across. I've seen posts from others hitting 30. Now a days I go down to 1/4 mark and fill with 8 gallons and go off the miles back down to the 1/4 mark (I know not exact as fillups but it averages out currently to about 200 miles / 8 gallon fills). I've gotten over 420 miles on a tank in the past when I used to fill it all the way.
CFreed11 - are you running a tune or turbo or having knocking issues? otherwise why the 93? I find the best mileage comes from the 87 octane.
OP.. I'm just curious...is there a particular reason for the heads coming off before you drop the engine? And in all honesty, how hard is the engine swap? I've done a few swaps in the past, most recently a 2.5L Ranger, but never one of our cars.
And the fuel mileage arguement... I typically get 330 or more out of a tank of gas running it next to dry. My fill-ups are 14+ gallons of 93.
The only reason was for getting an Idea of what failed after the engine failure. No other reason to pull the head to drop the engine.
Its not fun, but its not insane. Attention to detail is a must. I broke a ground strap on this one because I never noticed it. Still need to figure out how im gonna go about replacing it.
I'm running a tune for 93. And I know it's hard on the pump, I usually only run it down like that once a month or so just to gauge how I'm doing on gas.
Still need to figure out how im gonna go about replacing it.
You could use some thick gauge insulated wire and run it from one point to another. Sometimes you can get that stuff at a place that supplies stereo equipment, just make sure the terminals are the right size for the bolts.
You could use some thick gauge insulated wire and run it from one point to another. Sometimes you can get that stuff at a place that supplies stereo equipment, just make sure the terminals are the right size for the bolts.
Another place to get good thick wire for a reasonable price is a welding supply store.
Definitely keeping an eye on this one. Ill be doing my cam swap next month...or the month after, hopefully.
As for the fuel debate, i get 20-22 in town, 5 speed and 3.42, i never let it go below half a tank. On my way out to Texas I got 28 mpg at 65 mph.
Team NoVa
2000 Firebird- Intake, Pacesetters, !cat, full 2.5 to flowcrapster, 1.9 rockers, LS6 springs and Intense modded retainers, WS6 speedlines, T/A bumpers and hatch, 5 spd swapped, SOON TO BE nitrous'd and cammed.
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