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Search took 0.05 seconds. Search: Posts Made By: dtmerritt
Forum: EcoModding Central 03-28-2014, 12:37 PM
Replies: 14
Views: 4,244
Posted By Big Dave
As Post #9 showed this is an old idea. It works,...

As Post #9 showed this is an old idea. It works, within limitations. all you really have to do is deal with the mounting and sealing issues, and it will downspeed the engine (to use the term in...
Forum: EcoModding Central 03-27-2014, 01:05 AM
Replies: 14
Views: 4,244
Posted By cRiPpLe_rOoStEr
If you would be getting something like a...

If you would be getting something like a TH400/3L80 backed by a GV overdrive it wouldn't be so bad, but would be more cost-effective to just get a self-contained 4-speed OD transmission (or even a...
Forum: EcoModding Central 03-26-2014, 04:09 PM
Replies: 14
Views: 4,244
Posted By Frank Lee
I'd convert to 5-speed stick or modern a/t with...

I'd convert to 5-speed stick or modern a/t with OD and locking converter before adding a GV or another trans. Multiple gearboxes = more driveline efficiency losses.
Forum: EcoModding Central 03-26-2014, 02:11 PM
Replies: 14
Views: 4,244
Posted By KrautBurner
The vehicle I want economy from is a 1955 Pontiac...

The vehicle I want economy from is a 1955 Pontiac Star Chief ( almost 4000 lbs and square as a brick. It has the very old dual range Hydro Matic without a park position. Economy is one factor,...
Forum: EcoModding Central 03-26-2014, 09:34 AM
Replies: 14
Views: 4,244
Posted By MetroMPG
The streamlined Ford Model T also used the...

The streamlined Ford Model T also used the "backwards 2nd transmission" trick: from a Chev, installed behind the Ford's:
...
Forum: EcoModding Central 03-26-2014, 08:58 AM
Replies: 14
Views: 4,244
Posted By P-hack
I thought that was interesting (with appropriate...

I thought that was interesting (with appropriate caveats) when I read about the aero-sprite too.

dtmerritt, your car might be suitable for a $20ish, 1 hour to install, 5th gear swap...
Forum: EcoModding Central 03-26-2014, 08:44 AM
Replies: 14
Views: 4,244
Posted By HydroJim
I understand what you're asking, but if you sit...

I understand what you're asking, but if you sit down and really think about actually installing a 2nd transmission, it's a ridiculous concept. Wastes energy, extra weight, complexity, reliability...
Forum: EcoModding Central 03-26-2014, 08:37 AM
Replies: 14
Views: 4,244
Posted By sheepdog 44
I knew i read that somewhere. Xpedro did that on...

I knew i read that somewhere. Xpedro did that on the Aerosprite.

http://ecomodder.com/forum/showthread.php/aerosprite-aero-mechanically-modified-austin-healey-sprite-consistent-28086.html
It...
Forum: EcoModding Central 03-26-2014, 08:07 AM
Replies: 14
Views: 4,244
Posted By Frank Lee
No, it would be a super-duper overdrive,...

No, it would be a super-duper overdrive, depending on the transmission.

Perhaps it could function as a poor man's Gear Vendor's OD?
Forum: EcoModding Central 03-26-2014, 08:03 AM
Replies: 14
Views: 4,244
Posted By elhigh
If you mount it backwards, doesn't that mean...

If you mount it backwards, doesn't that mean you're stepping the speed back down?
Forum: EcoModding Central 03-26-2014, 12:35 AM
Replies: 14
Views: 4,244
Posted By Frank Lee
More details please.

More details please.
Forum: Introductions 03-17-2014, 05:13 PM
Replies: 22
Views: 3,813
Posted By Frank Lee
Planes use exhaust temp as the guide for leaning....

Planes use exhaust temp as the guide for leaning.

http://flighttraining.aopa.org/students/solo/skills/engine.html
Forum: Introductions 03-17-2014, 04:09 PM
Replies: 22
Views: 3,813
Posted By Hersbird
I'm glad you asked this as well. Often I see...

I'm glad you asked this as well. Often I see tuning related to modern cars but these pre-emission cars get to benefit from tuning best for pure economy. Plymouth made a feather Duster in 1976 that...
Forum: Introductions 03-17-2014, 02:12 PM
Replies: 22
Views: 3,813
Posted By slownugly
Personally I would adjust carb, points, ignition...

Personally I would adjust carb, points, ignition timing to stock for the trip. I wouldn't risk doing damage.

However when you get it home then I would have some fun. I'm on the same page I'm...
Forum: Introductions 03-17-2014, 01:57 PM
Replies: 22
Views: 3,813
Posted By elhigh
Those older rides are usually grandfathered out...

Those older rides are usually grandfathered out of emissions testing. I can imagine some nanny state looking over your shoulder but I don't realistically expect it, not with a '55.

The O2 sensor...
Forum: Introductions 03-17-2014, 01:18 PM
Replies: 22
Views: 3,813
Posted By Cobb
Just remember running lean and cranking up the...

Just remember running lean and cranking up the timing will raise your NOX levels if you are subject to any emissions testing. :thumbup:
Forum: Introductions 03-17-2014, 12:01 PM
Replies: 22
Views: 3,813
Posted By KrautBurner
I'm fairly confident there was no cat on a car...

I'm fairly confident there was no cat on a car built in 1955

but a wideband O2 sensor could be helpful, and or a Pyrometer
you may also want to look into a vacuum gauge :thumbup:
Forum: Introductions 03-17-2014, 09:48 AM
Replies: 22
Views: 3,813
Posted By elhigh
If you have the capacity to do so before setting...

If you have the capacity to do so before setting out to drive your new ride home, turn up the cruising AFR to as high as you feel comfortable doing so without overheating the heads. You'll need a...
Forum: Introductions 03-17-2014, 12:30 AM
Replies: 22
Views: 3,813
Posted By iveyjh
Maybe I missed it somewhere in the reading of...

Maybe I missed it somewhere in the reading of this post nobody ever answered your question about cruising AFR. I find that a ratio of about 16.5 to 18.5 to 1 yields good economy. I don't think you...
Forum: Introductions 03-16-2014, 05:33 PM
Replies: 22
Views: 3,813
Posted By mcrews
Cobb reminded me that I did have a vacuum gauge...

Cobb reminded me that I did have a vacuum gauge at some point.....
I also had installed on of the first mpg electronic devices to measure mpg...

even back then I realized that your have to be...
Forum: Introductions 03-16-2014, 05:28 PM
Replies: 22
Views: 3,813
Posted By user removed
Set the timing and make sure the ignition poins...

Set the timing and make sure the ignition poins are clean and properly gapped, if it still has points. Inspect the points for metal transfer and if present polish with emery cloth or replace points...
Forum: Introductions 03-16-2014, 05:11 PM
Replies: 22
Views: 3,813
Posted By Cobb
To set a carb you seat the mixture screw, then...

To set a carb you seat the mixture screw, then unscrew 1.5 turns and adjust from there. Of course for cars you got jet size too and accelerator pumps. Depending on the previous owner you may have...
Forum: Introductions 03-16-2014, 04:47 PM
Replies: 22
Views: 3,813
Posted By mcrews
A little off topic but 'carburetor' related..... ...

A little off topic but 'carburetor' related.....
My 66 mustang 6 cylinder 1bble ran lean on the highway because I had instlled headers on the straight six. (3-2-1) ran 1 3/4" pipe into a muffler...
Forum: Introductions 03-16-2014, 04:21 PM
Replies: 22
Views: 3,813
Posted By JRMichler
Not much you can do in the time available. Tire...

Not much you can do in the time available. Tire pressure to sidewall maximum and grille block is about it. Unless it has bias ply tires, in which case set the tire pressure a little above factory...
Showing results 1 to 24 of 24

 
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