Go Back   EcoModder Forum > EcoModding > EcoModding Central
Register Now
 Register Now
 

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 05-22-2018, 12:56 AM   #391 (permalink)
Cyborg ECU
 
California98Civic's Avatar
 
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 4,679

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 61.77 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 1,624
Thanked 1,320 Times in 893 Posts
So my post head gasket repair and post 15" Seven Hole Mini wheel swap I recorded about 62 mpg tank average. But the cool thing is that I am doing less P&G. I steady cruise a lot on the freeway or else P&G with the engine on the whole time. The car steady cruises at 1765 RPM at 55 mph and maybe 1900 at 60 mph.

__________________


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.

  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 05-22-2018, 04:43 AM   #392 (permalink)
Ecomuggler
 
Xist's Avatar
 
Join Date: Jun 2012
Location: Mesa, AZ
Posts: 6,364

Chorizo - '00 Honda Civic HX, baby! :D
90 day: 36.05 mpg (US)

Mid-Life Crisis Fighter - '99 Honda Accord LX
90 day: 36.32 mpg (US)
Thanks: 3,687
Thanked 1,133 Times in 850 Posts
Interesting. Black Civic coupe that needed a new head gasket and a Forester with 115,000 miles. May your Forester head gasket last as long as the new Honda one!

I feel like nothing has been working right for me lately. All that I wanted to do was write a post on one side of my screen while still reviewing your thread on the other. Do you see how well split screen is working with Win10 today?



I think I just rebooted yesterday. I gave up and went full-screen, except it isn't full screen.

The first thing I did when I woke up was take care of the last of the paperwork so I can start my new job, but my computer keeps freezing. It unfreezes after a while, but I cannot figure out what it is.

You have not had any concerns with engine compression, so you would not have any idea if that improved at all with replacing the head gasket? In theory, if the head gasket had a small leak it could have affected compression, but I think it makes more sense that compression was low for other reasons before my head gasket went out.

How far did you drive the car suspecting the head gasket? I looked at your fuel log and while this may have increased your fuel economy, there still seems to be an overall downward trend, while 137 of your tanks (so far) have beaten my average in my HX, with only one tank (so far) being equal or below.

Do you think disabling your alternator and swapping in the CX transmission are your most efficient modifications?

I would ask about replacing the head gasket, but I still think rebuilding my engine would be more efficient.

Yay.
Attached Thumbnails
Click image for larger version

Name:	Nothing is working for me lately.jpg
Views:	65
Size:	47.7 KB
ID:	24261  
  Reply With Quote
Old 05-22-2018, 08:02 AM   #393 (permalink)
Ol' Skooler
 
Join Date: Jul 2009
Location: Tyler, TX
Posts: 968

Beater Echo - '00 Toyota Echo
Team Toyota
90 day: 42.67 mpg (US)

Hondizzle - '97 Honda Civic DX
Team Honda
90 day: 48.06 mpg (US)
Thanks: 47
Thanked 129 Times in 107 Posts
Aren't Subarus kinda notorious for head gasket failures? I seem to recall that they are...
__________________



'97 Honda Civic DX Coupe 5MT
'00 Echo - dead 2/17
'14 Chrysler Town + Country - the better half's car
'67 Mustang Convertible - gone 1/17
  Reply With Quote
Old 05-22-2018, 08:08 AM   #394 (permalink)
Ecomuggler
 
Xist's Avatar
 
Join Date: Jun 2012
Location: Mesa, AZ
Posts: 6,364

Chorizo - '00 Honda Civic HX, baby! :D
90 day: 36.05 mpg (US)

Mid-Life Crisis Fighter - '99 Honda Accord LX
90 day: 36.32 mpg (US)
Thanks: 3,687
Thanked 1,133 Times in 850 Posts
From what I understand, it took them a couple of decades to figure it out.
  Reply With Quote
Old 05-22-2018, 08:55 AM   #395 (permalink)
Cyborg ECU
 
California98Civic's Avatar
 
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 4,679

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 61.77 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 1,624
Thanked 1,320 Times in 893 Posts
Quote:
Originally Posted by Xist View Post
... How far did you drive the car suspecting the head gasket? ....
Quite a while but with a very minor problem. I probably first noticed trace oil in the coolant two years ago. At that time I tested for exhaust gasses and coolant in oil and got nothing, so I judged it not certain--or certainly not serious yet--and started watching. Last winter it got slightly more serious. This spring it was obvious there was more oil in the coolant, so I tested and found exhaust gasses in the coolant too. So, I took it off the road for the repair.

Quote:
Originally Posted by Xist View Post
Do you think disabling your alternator and swapping in the CX transmission are your most efficient modifications?
The single best "engine" mods were the power steering delete and the alternator on/off with deep cycle battery and grid charging. Because the PS delete was free it has had much bigger ROI than the charging mod, which costs in a more expensive battery and the charger.

Quote:
Originally Posted by Xist View Post
I would ask about replacing the head gasket, but I still think rebuilding my engine would be more efficient. ...
If you rebuild the engine, the head is coming off. When the head comes off, you will be replacing the gasket. Do yourself the favor of buying Honda OEM gaskets. I took that advice from someone on my thread here. Good advice, especially for such an important gasket.

Quote:
Originally Posted by jcp123 View Post
Aren't Subarus kinda notorious for head gasket failures? I seem to recall that they are...
Subaru dealerships might really like that reputation, especially if it only applies over 100,000 miles. But my wife's car has absolutely no objective sign of head gasket failure (no odd smoke, no oil o coolant infiltration, no exhaust gas infiltration). The only sign it has of a mechanical failure is failure to give Subaru more of our money. lol
__________________


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.

  Reply With Quote
Old 05-25-2018, 10:15 PM   #396 (permalink)
Cyborg ECU
 
California98Civic's Avatar
 
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 4,679

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 61.77 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 1,624
Thanked 1,320 Times in 893 Posts
heat management (mods & maintenance)

Without AC, I have been working to mod the car and maintain the systems so I can be as cool as possible in the heat and so the engine can be as effectively cool as possible.

Right now I am ducting the grill opening in my grill block to force air through the radiator. Prototype is working nicely. I have installed a beta version of my radiator on/off fan and it works pretty well. I want to improve those mods and then install clear tint on the windshield glass.

For maintenance, I am using chemical clean to get oil and other contaminants out of the cooling system (head gasket failure complication). I fixed the cabin fan. And soon I want to straighten the radiator fins on my rad.

All that might help be stay cooler in the summer. Usually, I have to run the heater on the hottest days in order to control coolant temps. Bad!

I wonder about using office glass clear tint on my car roof to repel UV and heat. Nutty idea?
__________________


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.

  Reply With Quote
Old 05-26-2018, 10:16 AM   #397 (permalink)
Master EcoModder
 
Join Date: Jun 2016
Location: WV
Posts: 514

IGL - '04 Saturn Ion
Team Saturn
90 day: 46.34 mpg (US)
Thanks: 12
Thanked 130 Times in 98 Posts
Not a nutty idea at all. The clear tint would be a stealth mod, keeping your car looking somewhat “normal” to the masses... my wife might approve such a mod, she’s a little particular about my cars appearance, since she has to ride in it with me
__________________
My current Ecotec project...


My last Ecotec project...
  Reply With Quote
Old 05-26-2018, 11:05 AM   #398 (permalink)
Master EcoModder
 
freebeard's Avatar
 
Join Date: Aug 2012
Location: northwest of normal
Posts: 10,694
Thanks: 2,393
Thanked 3,382 Times in 2,670 Posts
Quote:
For maintenance, I am using chemical clean to get oil and other contaminants out of the cooling system (head gasket failure complication).
More detail? My Dasher's head is at the machine shop right now.
__________________
.
Walk without rhythm and it won't attract the worm. --fatboy slim
_________________
  Reply With Quote
Old 05-26-2018, 01:40 PM   #399 (permalink)
Cyborg ECU
 
California98Civic's Avatar
 
Join Date: Mar 2011
Location: Coastal Southern California
Posts: 4,679

Black and Green - '98 Honda Civic DX Coupe
Team Honda
90 day: 61.77 mpg (US)

Black and Red - '00 Nashbar Custom built eBike
90 day: 3671.43 mpg (US)
Thanks: 1,624
Thanked 1,320 Times in 893 Posts
Quote:
Originally Posted by freebeard View Post
More detail? My Dasher's head is at the machine shop right now.
I bought Prestone's 32oz "Radiator Flush & Oil Degreaser." The oil in the coolant will have gobbed up the water pump, the radiator fins, and various spots throughout the system. Such oil will obviously undermine cooling ability. So, if I want to maximaize my chances of running cool air from the fan in the summer, or at least not blasting the heat, I need the rad to work at maximum potential. This Prestone product is supposed to be heavy duty. I only bought it because it was the toughest looking thing in the O'Reilly I dropped into. I won't know how well it works for a while. But with the flushing and the ducting, so far, it looks pretty good. I seem to be keeping better, lower coolant temps--probably 3-5 degrees lower.

Here is the Prestone product:
https://prestone.com/products?detail=AS110Y

That Christ Fix youtuber has a good demo vid:
__________________


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.

  Reply With Quote
The Following 2 Users Say Thank You to California98Civic For This Useful Post:
freebeard (05-26-2018), Xist (05-26-2018)
Old 05-26-2018, 04:45 PM   #400 (permalink)
Ecomuggler
 
Xist's Avatar
 
Join Date: Jun 2012
Location: Mesa, AZ
Posts: 6,364

Chorizo - '00 Honda Civic HX, baby! :D
90 day: 36.05 mpg (US)

Mid-Life Crisis Fighter - '99 Honda Accord LX
90 day: 36.32 mpg (US)
Thanks: 3,687
Thanked 1,133 Times in 850 Posts
ChrisFix has some good material; I do not remember any ChrisFix advice that I did not like. I believe I watched ten of his videos yesterday and I am about to create a new thread related to him.

  Reply With Quote
Reply  Post New Thread


Thread Tools




Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2018, vBulletin Solutions, Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com