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Old 06-08-2017, 07:35 PM   #21 (permalink)
Cyborg ECU
 
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Location: Coastal Southern California
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Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 64.21 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
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I am using black PVC, I think. What I like about it is it is capable of absorbing and holding heat longer than the dryer hose I originally used. I imagine that means on longish drives it becomes quite warm and helps heat or sustain the heat of the air pulled from over the exhaust manifold. Keep in mind that the shape and texture of the tube affects sound and I have seen smart people claim that it effects efficiency too, even though one would imagine the throttle plate would undo any effects engineered into the intake tubing.

BTW, hey, your mention of an intercooler tipped me off that I misunderstood... you have the 1.4 turbo and not the 1.8 NA! Didn't mean to dis your ride. That turbo is still a great vehicle choice. Much simpler than a hybrid or EV (which are also fascinating but I guess not for me yet).

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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.

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Old 06-08-2017, 08:11 PM   #22 (permalink)
CruzeMTgrind
 
Join Date: Mar 2017
Location: Wisconsin
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BlueBawls - '14 Chevrolet Cruze Eco
90 day: 54.16 mpg (US)

Eddie - '02 Ford Explorer Eddie Bauer
90 day: 25.53 mpg (US)
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Quote:
Originally Posted by California98Civic View Post
I am using black PVC, I think. What I like about it is it is capable of absorbing and holding heat longer than the dryer hose I originally used. I imagine that means on longish drives it becomes quite warm and helps heat or sustain the heat of the air pulled from over the exhaust manifold. Keep in mind that the shape and texture of the tube affects sound and I have seen smart people claim that it effects efficiency too, even though one would imagine the throttle plate would undo any effects engineered into the intake tubing.

BTW, hey, your mention of an intercooler tipped me off that I misunderstood... you have the 1.4 turbo and not the 1.8 NA! Didn't mean to dis your ride. That turbo is still a great vehicle choice. Much simpler than a hybrid or EV (which are also fascinating but I guess not for me yet).
Don't feel bad about the dis. I was plugging at it myself. I think with the gearing I have in the eco with the 1.8 I could manage better numbers since EOC would be more prevalent. With this car there seems to be no sweet spot for acceleration. Once u hit 50% load instant mpg drops of like a cliff. At least with every NA car I have owned there is what I like to call a sweet spot. Especially the explorer accelerate pretty solid getting 18 mpg once it's warm. Gonna override the tcc lockup on that. Toggle switch. Think I'll be able to reach 28 with that alone. 30 mpg will be aero on there. Anyways I'll look into pvc fittings and measure things out. Do u think I will have adverse effects since the intercooler?
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Old 06-08-2017, 09:37 PM   #23 (permalink)
Cyborg ECU
 
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Join Date: Mar 2011
Location: Coastal Southern California
Posts: 4,115

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 64.21 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 1,463
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Quote:
Originally Posted by 14'ecocruze View Post
... Do u think I will have adverse effects since the intercooler?
That is beyond my experience/knowledge to answer. One reason I shun more complex machines for me even though I admire the engineering is my inability to fully understand them (as of now). Hopefully one of our more expert fellas will chime in!
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See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.

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Old 06-08-2017, 10:23 PM   #24 (permalink)
CruzeMTgrind
 
Join Date: Mar 2017
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BlueBawls - '14 Chevrolet Cruze Eco
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Plus side just got to work. Changed my route a bit and managed 61.7 mpg dic
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Old 06-12-2017, 01:38 PM   #25 (permalink)
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Kristin's Impala FFV - '10 Chevy Impala LT
90 day: 25.5 mpg (US)

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Kt's Cobalt - '10 Chevy Cobalt LT
90 day: 28 mpg (US)

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Have you ever considered higher ethanol blends, E30 is roughly around 94 octane, maybe it will run well, might loose a few MPG, but lower cost per mile.

Some cars at E30 don't loose any MPG at the E20 and E30 levels and actually gain some.
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Old 06-12-2017, 02:34 PM   #26 (permalink)
CruzeMTgrind
 
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BlueBawls - '14 Chevrolet Cruze Eco
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I planned on staying away from ethanol in general. Plastic gas tank...plastic eating ethanol....doesn't seem like a grand idea lol. It seems my car detests e10 already I wouldn't want to be pouring anything higher into it ever. Besides I would rather eat �� not burn it
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Old 06-12-2017, 03:32 PM   #27 (permalink)
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Kristin's Impala FFV - '10 Chevy Impala LT
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Kt's Cobalt - '10 Chevy Cobalt LT
90 day: 28 mpg (US)

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Crazy good numbers your putting up, my commute is longer and average 47 mph pretty consistently but only 40 MPG. I've been using E15 since it's been available since it's usually 5% cheaper than E10 and 30% cheaper than E0. The mpg difference E10 & E15 is within the noise. Have run E50 in it and all is fine, go much higher I'll get a CEL that goes away with a few gallons of E10.

E0 will net the best MPG my best 3-tanks was 45 when I first got the car. Not trying as hard anymore since gas isn't $3.80 a gallon like it was then.
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Old 06-12-2017, 07:08 PM   #28 (permalink)
CruzeMTgrind
 
Join Date: Mar 2017
Location: Wisconsin
Posts: 101

BlueBawls - '14 Chevrolet Cruze Eco
90 day: 54.16 mpg (US)

Eddie - '02 Ford Explorer Eddie Bauer
90 day: 25.53 mpg (US)
Thanks: 45
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How much is e0 by you I can get mid grade 89 e0 for around $2.60 a gal. I think it's unreal the difference between the fuel maps in my car. Yes I'm hypermiling but 8-9 mpg difference between 87 octane and 91(or whatever the shell premium nitro is maybe 93) haven't changed route or driving techniques. Maybe trying a little harder can't really calibrate effort lol. Still doesn't make up for increased cost but better for engine I suppose. And I can get regular 91 cheaper elsewhere. If numbers stay the same maybe worth the slight cost per mile improvement. Get 15% improvement to fuel economy for 25-30% increase in cost. Runs good on 89 e0 tho so may return to that for cost effectiveness since that does pay for itself. There isn't any 87 e0 around here. Hoping to get in top 10 and stay there lol tank of gas a month basically. 13 gallons a month if I get 55 mpg and just do my work commute. Working on WAI to hopefully boost 55-60 mph numbers atm. Want to be able to hold 55 mpg there. Also looking at tweaking underbody panels adding a little bit to a few places for a bump to aero to help around 60 mph.
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Old 06-14-2017, 11:19 AM   #29 (permalink)
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Kristin's Impala FFV - '10 Chevy Impala LT
90 day: 25.5 mpg (US)

XFE Coupe - '09 Chevy Cobalt XFE
90 day: 40.74 mpg (US)

Kt's Cobalt - '10 Chevy Cobalt LT
90 day: 28 mpg (US)

Penny's Rogue - '15 Nissan Rogue SL AWD
90 day: 30.19 mpg (US)

Cam's Rogue - '11 Nissan Rogue SV AWD
90 day: 25.84 mpg (US)
Thanks: 116
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At my usual station K&G today, E15 88 octane is $2.00, E10 87 $2.10, E0 87 $2.50, 91 e0 $2.65 and E85 $1.80

From experience with 2 FFV GM's I loose 18-20% mpg with E85 vs E10 so I wouldn't be E85 there. But when I fill up the impala at near home E10 was $2.23 yesterday and E85 was $1.80 right at the break even for cost per mile.

There must be less active people filling up, I used to struggle to say on the 2nd page of MPG or % over EPA(top 100), I haven't changed anything but now in the 30s.

Have you read any of the info on converting a Cruze(some Cobalts) to Flex Fuel, apparently all the fuel maps are in there just needs turned on, but the fuel maps aren't optimized for E85 so maybe you are even seeing that with low E blends. I'd like to turn it on in my Cobalts, but $600 to try to save a few penny's is bad math.

Last edited by roosterk0031; 06-14-2017 at 01:50 PM..
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Old 06-14-2017, 02:40 PM   #30 (permalink)
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Quote:
Originally Posted by California98Civic View Post
My 1998 Civic just crossed 250,000 miles. It has the original factory clutch/flywheel from 1998 and for the last 75,000 miles I have EOC and kiss-started it scores of times a day.
Love that term!

As far as OP's question about emissions control system deletes evening out pollution in dizzzles...Most likely it is doing much more harm than good as far as emissions go. Carbon dioxide production directly correlates to fuel consumption, so CO2 will go down, however, NOx will shoot up. NOx is something like 200 times more potent of a greenhouse gas than CO2 if I remember correctly.

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