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Search: Posts Made By: robertwb70
Forum: DIY / How-to 01-18-2012, 09:28 AM
Replies: 105
Views: 48,031
Posted By robertwb70
I'm pretty sure those are drainage slots...at...

I'm pretty sure those are drainage slots...at least that's where I'm betting my donuts ;-)
Forum: DIY / How-to 01-11-2012, 07:36 AM
Replies: 105
Views: 48,031
Posted By robertwb70
People who have switched headlights have reported...

People who have switched headlights have reported no measurable change in FE, but the sealed beams will not yellow and haze over like the plastic ones do, and they're much cheaper to replace. Many...
Forum: DIY / How-to 01-10-2012, 07:24 PM
Replies: 105
Views: 48,031
Posted By robertwb70
You might like some of the stuff I've done to my...

You might like some of the stuff I've done to my Metro.
Robertwb70 (http://robertwb70.blogspot.com/)

http://ecomodder.com/forum/showthread.php/another-metro-goes-aero-9666.html
Forum: EcoModding Central 05-11-2011, 11:01 PM
Replies: 303
Views: 68,747
Posted By robertwb70
Sounds about right, stock G10s don't start to...

Sounds about right, stock G10s don't start to pull well until the RPMs get up there, you can either switch to an XFI cam or get a gear (or drill your own) to advance the stock cam (10 degrees works...
Forum: EcoModding Central 04-27-2011, 11:43 PM
Replies: 110
Views: 40,299
Posted By robertwb70
I ran some numbers through one of the on-line...

I ran some numbers through one of the on-line calculators before my last exhaust mods to my Geo Metro, results are posted here- Robertwb70: Exhaust size...
Forum: Off-Topic Tech 04-21-2011, 11:44 PM
Replies: 2
Views: 1,178
Posted By robertwb70
No, they don't interchange.

No, they don't interchange.
Forum: EcoModding Central 04-17-2011, 07:25 AM
Replies: 57
Views: 11,195
Posted By robertwb70
I think it's a bad idea, using something that was...

I think it's a bad idea, using something that was only meant for 50 miles/ 50 MPH is highly likely to cause some problems which could be quite serious in the case of wheels.

CapriRacer that data...
Forum: EcoModding Central 04-08-2011, 02:22 AM
Replies: 20
Views: 10,300
Posted By robertwb70
Fueleconomy.gov says 21/33 for 25MPG combined and...

Fueleconomy.gov says 21/33 for 25MPG combined and 2 user inputs average to 23.6 MPG so I think 40 is a bit of an exaggeration...


Find a Car (http://www.fueleconomy.gov/feg/findacar.htm)
Forum: EcoModding Central 03-04-2011, 07:40 AM
Replies: 250
Views: 152,432
Posted By robertwb70
The TBI metro specs call for 13 to 20 PSI when...

The TBI metro specs call for 13 to 20 PSI when running and 23 to 31 PSI when initially keyed on but not running.
Forum: DIY / How-to 10-19-2010, 02:05 PM
Replies: 391
Views: 120,838
Posted By robertwb70
This is BS, ethanol doesn't cause as many...

This is BS, ethanol doesn't cause as many problems on newer cars because they have plastic fuel tanks and the rubber in the fuel system is alcohol "resistant".

If you have an older car though...
Forum: Aerodynamics 05-18-2010, 11:12 PM
Replies: 51
Views: 9,492
Posted By robertwb70
Finally got the updated version done, I raised...

Finally got the updated version done, I raised the rear up 1 inch and tapered it 3" on each side while I was at it. Pics in the gallery on this site.
...
Forum: Aerodynamics 04-08-2010, 01:08 PM
Replies: 57
Views: 23,160
Posted By robertwb70
An issue I've noticed on my car (with no side...

An issue I've noticed on my car (with no side mirrors) this week with tuft testing is the assumed horizontal airflow around the mirror is not correct (at least not on my car, I think most others...
Forum: EcoModding Central 04-03-2010, 07:32 PM
Replies: 6
Views: 4,847
Posted By robertwb70
Colt Cams - Camshaft Profiles...

Colt Cams - Camshaft Profiles (http://www.coltcams.com/html/camshaft/index.cfm)
This is the place I usually see recommended for custom grinds but there are others, poke around in the catalog there...
Forum: Aerodynamics 03-31-2010, 06:48 PM
Replies: 51
Views: 9,492
Posted By robertwb70
That's what I think too, so maybe I'll raise it...

That's what I think too, so maybe I'll raise it up about 1" on the trailing edge, especially if it doesn't change after I get the new tires. I don't seem to be seeing the gains I was expecting based...
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