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Search took 2.53 seconds. Search: Posts Made By: ETM_Shaman
Forum: Engine, Exhaust, Transmission 03-29-2022, 05:00 PM
Replies: 22
Views: 5,065
Posted By ETM_Shaman
Also make sure you haven't cross connected the...

Also make sure you haven't cross connected the VVT solenoid plugs (intake to exhaust). It's easy to do (everything seems "ok" and fits) and makes car run fine until VVT engages and all goes crazy. I...
Forum: Engine, Exhaust, Transmission 10-01-2021, 03:17 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
Sorry for not updating in a long time! The...

Sorry for not updating in a long time!

The car has about 3,000 km of hard driving (10 track days) without engine problems. It has very good power and runs in the top group in our local track,...
Forum: Engine, Exhaust, Transmission 07-08-2019, 01:39 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
Oil pickup test results

Hi guys,

I finally got to do the oil pickup tests with the original 19mm (3/4") pickup Chris from Killer B sent me.

I did the tests on the same day, same oil, same process. I changed the outlet...
Forum: Engine, Exhaust, Transmission 05-27-2019, 06:33 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
When I had the failure using 10W60 I was sure it...

When I had the failure using 10W60 I was sure it had to do with the problem (after all, main gallery pressures changed a lot when going from 10W40 to 10W60). Then I found the GT86 CS-V3 User Manual:...
Forum: Engine, Exhaust, Transmission 05-27-2019, 02:34 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
Ultramaroon, solidsnake11, Irace86.2.0 Great...

Ultramaroon, solidsnake11, Irace86.2.0
Great information guys!

I've looked at and measured the lubrication system in this engine so much that I know it by heart, but that diagram helps a lot and...
Forum: Engine, Exhaust, Transmission 05-25-2019, 12:58 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
I don't think cavitation at the bearings is...

I don't think cavitation at the bearings is causing damage or even happening (I don't know really).

I think this is the chain of effects:

restrictive pump inlet -> low inlet pressure ->...
Forum: Engine, Exhaust, Transmission 05-24-2019, 08:40 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
Irace86.2.0Irace86.2.0...

Irace86.2.0Irace86.2.0 (https://www.ft86club.com/forums/member.php?u=143120) I've inspected and measured almost every oil gallery in this engine. I've also used the Hagen–Poiseuille equation to...
Forum: Engine, Exhaust, Transmission 05-24-2019, 04:41 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
Please do elaborate!

Please do elaborate!
Forum: Engine, Exhaust, Transmission 05-24-2019, 12:44 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
I would absolutely recommend to get the Killer B...

I would absolutely recommend to get the Killer B oil pickup!

I was going to use the one I ordered straight up, but then I noticed I couldn't because length and orientation where different in the...
Forum: Engine, Exhaust, Transmission 05-24-2019, 12:06 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
The erosion in cavitation happens in the intake...

The erosion in cavitation happens in the intake (low) side, where negative pressure takes gas out of solution in the fluid, bubbles form and immediately implode eroding the material in the process....
Forum: Engine, Exhaust, Transmission 05-24-2019, 07:44 AM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
1. Yes I also expected to see a bigger increase...

1. Yes I also expected to see a bigger increase in outlet pressure, it´s still a little mistery to me.

2. The ammount of aluminum it erodes is insignificant (probably less than 1.0 g). I don´t...
Forum: Engine, Exhaust, Transmission 05-24-2019, 07:31 AM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
No. cavitation ALWAYS happens in the low pressure...

No. cavitation ALWAYS happens in the low pressure parts, actually the part with the lowest pressure is where it starts. It´s the low pressure that makes the disolved gasses convert into real bubbles....
Forum: Engine, Exhaust, Transmission 05-23-2019, 07:52 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
It would be very interesting but it's fairly...

It would be very interesting but it's fairly involved because you have to remove the timing cover to tap it properly. Then do the test with stock oil pickup and then remove the pan, change the pickup...
Forum: Engine, Exhaust, Transmission 05-23-2019, 02:22 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
Timing cover pressure test

After reading the threads that mentioned the possibility of having oil leaks through the oil gallery covers in the timing cover, we did an air pressure test (after assembling the covers with...
Forum: Engine, Exhaust, Transmission 05-23-2019, 02:16 PM
Replies: 145
Views: 95,876
Posted By ETM_Shaman
FA20 oiling problems, study and solution

Hi all, this is my first post but I'm a long time user of the wealth of information shared in this forum.

I'm co-owner of a performance shop in Lima - Peru and have a 2013 Toyota GT86 as a...
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