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

Reply  Post New Thread
 
Submit Tools LinkBack Thread Tools
Old 02-02-2010, 02:21 PM   #21 (permalink)
Si engine and trans
 
90crxHF's Avatar
 
Join Date: Jan 2010
Location: Spring, Tx
Posts: 53

CRX Si/HF - '90 Honda CRX HF
90 day: 40.35 mpg (US)
Thanks: 3
Thanked 0 Times in 0 Posts
I want the HF transmission, mainly for the 5th gear...

__________________
~1990 Honda CRX HF - ZC SOHC 1.6L non-VTEC, Si trans, Illuminas, Neuspeed Race
1/8th: 9.90 @ 71.03, 60' - 2.41 (HMP '08) - 284K on chassis and ~110k on engine
~1996 Mustang GTS/248A - 1/4: 13.447 @ 99.75, 60' - 1.820 (HRP - 959' DA)
http://www.nearlysurrounded.com <-- Check out my band

  Reply With Quote
Alt Today
Popular topics

Other popular topics in this forum...

   
Old 02-02-2010, 03:51 PM   #22 (permalink)
Moderate your Moderation.
 
Join Date: Nov 2008
Location: Troy, Pa.
Posts: 8,919

Pasta - '96 Volkswagen Passat TDi
90 day: 45.22 mpg (US)
Thanks: 1,369
Thanked 430 Times in 353 Posts
I just noticed that the track width isn't that much wider than on the CRX... I'd have (and did) guess otherwise, as I noted in the PM.

1.6cm is usually within the stretchable realm for axles, but if you can get the wider ones, that might be an even better fit for you, because they don't like to be stretched beyond a certain point and still function properly.

This is exciting.
__________________
"ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"

  Reply With Quote
Old 02-02-2010, 04:36 PM   #23 (permalink)
Master EcoModder
 
Wonderboy's Avatar
 
Join Date: Jun 2008
Location: Chicago
Posts: 673

The Fruit Bat - '01 Honda Insight
90 day: 52.67 mpg (US)
Thanks: 40
Thanked 37 Times in 26 Posts
Quote:
Originally Posted by Gasoline Fumes
If you need longer axles, the 1995+ Metros have them. The track is 0.8" wider on the newer cars.
That's actually the measurement I cited, not my XFi's track width. The '95+ track width number was all I could find in my quick search, so the 2nd gen CRX's track (1400mm) is 1.6cm wider than 3rd gen suzukiclones (1384mm). I just figured the track didn't change over those generations

Based on how wiggly axles feel to be, I don't think that 1.6cm/2 is going to be much of a stretch for axles to handle. Does anyone know for sure one way or another that stretching one axle 8mm farther than its used to could cause significant safety or longevity concerns?

90crxHF: If you want that transmission and it's actually still there, I'd be happy to get it for you if you pay for it and its shipping. PM me if you're serious, but I'd be looking locally if I were you. Shipping could get pricey.
__________________
  Reply With Quote
Old 02-02-2010, 04:46 PM   #24 (permalink)
Moderate your Moderation.
 
Join Date: Nov 2008
Location: Troy, Pa.
Posts: 8,919

Pasta - '96 Volkswagen Passat TDi
90 day: 45.22 mpg (US)
Thanks: 1,369
Thanked 430 Times in 353 Posts
8mm = .31 inches. It's within the normal variation for engine mount movement, so I don't see a problem with it.

The one issue that could arise is with suspension travel, but that's not likely either.

Axles tend to have 1" or more of movement in both directions at both ends from center, so there's alot of "wiggle room" in them.

Make sure you check/replace the front suspension bushings on the Civic, though, becuase if you don't, you'll ruin axles on a weekly basis. Ask me how I know... LOL.

The axles that I have that are new in the box are the 5th warranty replacement before I could figure out what the problem was.
__________________
"ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"

  Reply With Quote
Old 02-02-2010, 05:00 PM   #25 (permalink)
Master EcoModder
 
Wonderboy's Avatar
 
Join Date: Jun 2008
Location: Chicago
Posts: 673

The Fruit Bat - '01 Honda Insight
90 day: 52.67 mpg (US)
Thanks: 40
Thanked 37 Times in 26 Posts
Quote:
The one issue that could arise is with suspension travel, but that's not likely either.
You've ruined my "suspension travel" aspirations. I was going to surprise everyone too.
__________________
  Reply With Quote
Old 02-02-2010, 05:01 PM   #26 (permalink)
Moderate your Moderation.
 
Join Date: Nov 2008
Location: Troy, Pa.
Posts: 8,919

Pasta - '96 Volkswagen Passat TDi
90 day: 45.22 mpg (US)
Thanks: 1,369
Thanked 430 Times in 353 Posts
LOL. Did you get the PM about the knuckles?
__________________
"ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"

  Reply With Quote
Old 02-25-2010, 08:32 PM   #27 (permalink)
Master EcoModder
 
Wonderboy's Avatar
 
Join Date: Jun 2008
Location: Chicago
Posts: 673

The Fruit Bat - '01 Honda Insight
90 day: 52.67 mpg (US)
Thanks: 40
Thanked 37 Times in 26 Posts
So let's just say I found a gen 1 CRX shell in great condition for sale locally with the right price ... because I did.

I'm trying to compare the benefits of the reduced weight of an oldie (an 86) with its slightly worse aerodynamics and Macpherson struts (vs. the double wishbone suspension of a gen 2 CRX). Can anyone chime in to help me assess how important weight is versus aero + double wishbone suspension (fierce cornering ability is important when trying to conserve kinetic energy around curves). I'm really teetering on this, ever so slightly leaning toward holding out for a gen 2, since I'm not really in much of a hurry.
__________________
  Reply With Quote
Old 02-25-2010, 08:52 PM   #28 (permalink)
ecomonkey
 
Join Date: Dec 2009
Location: middleburg fl
Posts: 240

silver clown - '02 toyota echo 2 door base
90 day: 47.16 mpg (US)

white ghost - '05 prius base
90 day: 47.53 mpg (US)

white pearl - '12 toyota prius base
90 day: 50.23 mpg (US)
Thanks: 33
Thanked 30 Times in 21 Posts
weight is alot less important if you do alot of highway driving, aero is more important at higher speeds and weight is less important if you dont have to slow way down or stop alot,, it doesnt hurt much at constant speeds,, from my experience's.
__________________
  Reply With Quote
Old 02-25-2010, 10:04 PM   #29 (permalink)
Batman Junior
 
MetroMPG's Avatar
 
Join Date: Nov 2007
Location: 1000 Islands, Ontario, Canada
Posts: 21,294

Blackfly - '98 Geo Metro
Team Metro
Last 3: 70.09 mpg (US)

MPGiata - '90 Mazda Miata
90 day: 52.8 mpg (US)

Winter beater Metro - '00 Chevrolet Metro
90 day: 73.57 mpg (US)

Fancy Metro - '14 Mitsubishi Mirage top spec
90 day: 58.53 mpg (US)
Thanks: 3,065
Thanked 5,946 Times in 3,080 Posts
The Gen 1 may have a slightly higher Cd (guessing), but I bet it also has a smaller A. CdA is the thing, remember, and it's easier to reduce Cd than A.

Buy it!
__________________
Latest mods test: 15 mods = 15% MPG improvement: A-B test, 2007 Honda Civic 1.8L, 5-speed
Ecodriving test:
Manual vs. automatic transmission MPG showdown: Nissan Micra 1.6L



EcoModder
has launched a forum for the efficient new Mitsubishi Mirage
www.MetroMPG.com - fuel efficiency info for Geo Metro owners
www.ForkenSwift.com - electric car conversion on a beer budget
  Reply With Quote
Old 02-25-2010, 11:15 PM   #30 (permalink)
Master EcoModder
 
Wonderboy's Avatar
 
Join Date: Jun 2008
Location: Chicago
Posts: 673

The Fruit Bat - '01 Honda Insight
90 day: 52.67 mpg (US)
Thanks: 40
Thanked 37 Times in 26 Posts
According to our handy-dandy Cd list in the Wiki section:
Honda CRX 1984 - 1987 0.32Cd | 18.3sq.ft | 5.84CdA
Honda CRX 1988 - 1991 0.30Cd | 18.6 sq.ft | 5.57CdA
Honda CRX HF 1988 - 1991 0.29Cd | 18.6sq.ft | 5.39CdA

Whipping out the ol' calculator tells me that the Gen1 only has 3.6 sq. inches less frontal area than Gen 2, correct? That wouldn't seem like something to shake a stick at to me - less than a passenger mirror for sure. I'd just as soon assume for this argument that Gen1 and 2 have the same frontal area......decisions!

__________________
  Reply With Quote
Reply  Post New Thread


Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Project: Rebuilding an '01 Honda Insight as a nonhybrid Fabio Hybrids 158 01-12-2013 12:59 PM
Seriously! My 1994 Honda Civic DX Build Thread! JJMunoz EcoModding Central 29 02-18-2012 09:09 PM
Geo Metro XFi cam swap How To Johnny Mullet DIY / How-to 13 01-31-2012 10:05 AM
Geo Metro XFI Convertible Project Finished Coyote X EcoModding Central 227 11-14-2009 11:31 PM
Starting to Mod my Xfi bbjsw10 EcoModding Central 140 04-14-2009 08:27 AM



Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2020, vBulletin Solutions Inc.
Content Relevant URLs by vBSEO 3.5.2
All content copyright EcoModder.com