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Search took 0.01 seconds. Search: Posts Made By: IsaacCarlson
Forum: Aerodynamics 09-08-2024, 01:48 PM
Replies: 24
Views: 1,617
Posted By IsaacCarlson
I have been hashing this out for years. The...

I have been hashing this out for years. The front mounted radiator is most commonly used because it uses ram air cooling when moving. No fan required. It's the highest pressure zone on the...
Forum: Hypermiling / EcoDriver's Ed 08-29-2024, 02:30 PM
Replies: 39
Views: 4,172
Posted By IsaacCarlson
A smaller engine does not get better economy by...

A smaller engine does not get better economy by default.

If you were simply rolling around at 25 mph all day on flat ground, then it might. BUT, that's not how driving works. We have to start...
Forum: Success Stories 08-25-2024, 04:10 AM
Replies: 5
Views: 652
Posted By IsaacCarlson
I love it. We (my brothers) have all had 300's,...

I love it. We (my brothers) have all had 300's, and we joke about them being the gas version of the cummins. It's not really a joke though, because they are workhorses. My brother hauled in a...
Forum: Success Stories 08-24-2024, 12:36 AM
Replies: 5
Views: 652
Posted By IsaacCarlson
14 years with a broken head bolt

I parked my truck 2 years ago because it was overheating a lot and I didn't have time to mess with it. My son helped my tackle the project last spring as the snow was melting. We found a broken...
Forum: EcoModding Central 10-02-2023, 08:52 PM
Replies: 26
Views: 7,621
Posted By IsaacCarlson
I made my own hole spacing pattern. It covers...

I made my own hole spacing pattern. It covers one half of the braking surface circumference and then repeats on the other half to prevent imbalance. I have seen other non-repeating patterns that...
Forum: EcoModding Central 04-04-2021, 03:00 AM
Replies: 26
Views: 7,621
Posted By IsaacCarlson
I want to post an update on the drilled drums. ...

I want to post an update on the drilled drums.

They still work great! No dust, no noise, no fading. Always the same feel on the pedal and the seat.
Forum: Off-Topic Tech 07-08-2020, 08:07 PM
Replies: 4
Views: 877
Posted By IsaacCarlson
I increased the lift to .1" and ported the valves...

I increased the lift to .1" and ported the valves and head, so we will see what happens.:turtle:
Forum: Off-Topic Tech 03-15-2020, 01:06 AM
Replies: 17
Views: 6,045
Posted By IsaacCarlson
Bigger cooler lines won't hurt. The cooler does...

Bigger cooler lines won't hurt. The cooler does not regulate pressure, it only cools the fluid. There is very little pressure in the cooler and lines compared to the transmission. The valves...
Forum: EcoModding Central 03-14-2020, 11:05 PM
Replies: 11
Views: 2,684
Posted By IsaacCarlson
Your math is great, but just because the springs...

Your math is great, but just because the springs have 3 lbs of force doesn't mean the pads are pushing that hard on the rotors. It may only take .5 lbs to push the pads back and the extra 2.5 lbs is...
Forum: EcoModding Central 12-29-2019, 11:03 PM
Replies: 42
Views: 5,961
Posted By IsaacCarlson
About 1 mpg is what I figure.

About 1 mpg is what I figure.
Forum: EcoModding Central 12-29-2019, 08:23 PM
Replies: 42
Views: 5,961
Posted By IsaacCarlson
75-80 should be fine. I don't have a temp gauge...

75-80 should be fine. I don't have a temp gauge but I do have a BIG cooler on the rav4 and they are definitely down. A bit less mileage this year with the cooler, but it shifts better and since I...
Forum: EcoModding Central 10-29-2019, 03:26 AM
Replies: 74
Views: 10,993
Posted By IsaacCarlson
We used to run 45 psi in the rav4, but with the...

We used to run 45 psi in the rav4, but with the new "oversized" coopers the sweet spot seems to be around 36-38 psi. They have much stiffer sidewalls and are wider/taller, so they require less...
Forum: EcoModding Central 10-09-2019, 11:05 PM
Replies: 25
Views: 3,081
Posted By IsaacCarlson
Update: The increased tire pressure seems to be...

Update: The increased tire pressure seems to be helping with rolling resistance. The tires also seem to be breaking in as well, so it's a bit of an unknown right now as to what's doing what. I'm...
Forum: EcoModding Central 10-04-2019, 12:42 AM
Replies: 25
Views: 3,081
Posted By IsaacCarlson
Here are some pics.

Here are some pics.
Forum: EcoModding Central 10-02-2019, 02:47 AM
Replies: 25
Views: 3,081
Posted By IsaacCarlson
New tires, let's see what happens

We finally got the new tires installed. Cooper Discoverer AT3 4S in 235/65/17. They are definitely bigger than oem and very meaty. I can bury my fingertips in the tread and my fingernails are no...
Forum: EcoModding Central 08-21-2019, 10:42 PM
Replies: 33
Views: 6,229
Posted By IsaacCarlson
Do you have a tach or a way to see your rpm? If...

Do you have a tach or a way to see your rpm? If your rpm's never change when you goose it, you're fine.
Forum: EcoModding Central 08-21-2019, 11:55 AM
Replies: 33
Views: 6,229
Posted By IsaacCarlson
It really depends on clutch material, line...

It really depends on clutch material, line pressure and how much surface area there is for the fluid to push on.

Clutch material can vary quite a bit. You can buy "soft" clutches for manual...
Forum: EcoModding Central 08-21-2019, 02:32 AM
Replies: 0
Views: 2,513
Posted By IsaacCarlson
Pulled the trigger on some Cooper AT3 4S tires

I ordered some new tires today. 235/65-17 Cooper Discoverer AT3 4S

There isn't much info to be had online apart from a handful of videos and tons of overwhelming 5 star reviews. I have spent...
Forum: EcoModding Central 08-21-2019, 02:05 AM
Replies: 33
Views: 6,229
Posted By IsaacCarlson
How much power will it hold? It depends...on...

How much power will it hold? It depends...on size/diameter of the clutch, how worn it is, line pressure, fluid condition, and engine torque. A good one can hold a surprising amount of power before...
Forum: EcoModding Central 06-07-2019, 06:57 PM
Replies: 24
Views: 6,718
Posted By IsaacCarlson
Results We have been keeping an eye on...

Results

We have been keeping an eye on mileage since removing the balance shafts and installing the trans cooler to see if there is any change.

Before was ~21-22 mpg After is ~26 mpg over 3...
Forum: EcoModding Central 06-07-2019, 03:08 AM
Replies: 3
Views: 1,406
Posted By IsaacCarlson
Balance shaft delete and trans cooler results

We have been keeping an eye on mileage since removing the balance shafts and installing the trans cooler to see if there is any change.

Before was ~21-22 mpg After is ~26 mpg over 3 tanks, and one...
Forum: EcoModding Central 05-18-2019, 02:10 AM
Replies: 24
Views: 6,718
Posted By IsaacCarlson
Balance shaft delete (better MPG observed)

I just removed the balance shafts from our 2006 rav4 2.5L and I wish I had done it sooner. The difference is amazing. More power, better response, less throttle needed, and quieter.

It used to...
Forum: EcoModding Central 04-19-2019, 03:31 AM
Replies: 10
Views: 9,395
Posted By IsaacCarlson
I don't see much in those tables that's useful in...

I don't see much in those tables that's useful in demonstrating the advantage of the plugs. I side gap normal plugs and that seems to help performance by getting the electrode out of the way so the...
Forum: EcoModding Central 02-05-2019, 08:30 PM
Replies: 1
Views: 1,836
Posted By IsaacCarlson
Lightbulb Plowing snow with the rav4

Alright folks, this is a win for me.:D

I was given a Snowsport HD in exchange for helping someone work on their vehicle.:cool: I mounted it on the back of the rav and pushed some snow. WOW! ...
Forum: EcoModding Central 11-18-2016, 05:16 AM
Replies: 18
Views: 2,317
Posted By IsaacCarlson
The driveline has not been changed other than new...

The driveline has not been changed other than new springs in the rear. The truck has not taken any hits that I know of. The motor brackets are just too wide for the mounts and perches so the mounts...
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