Interesting Dyno Results - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Gen · 05-27-2013, 12:52 AM

Eh...

Floggin Tires · 05-27-2013, 05:31 PM

Quote:

Originally Posted by Gen

Eh...

That's coming from the connection of the compressor inlet to your tester, right?
Bubbles rolling around the compressor housing walking toward the turbine side.
Actually leaking from the tester connection.

If so... no worries, just a funny picture to post.

Gen · 05-27-2013, 05:40 PM

Quote:

Originally Posted by Floggin Tires

That's coming from the connection of the compressor inlet to your tester, right?
Bubbles rolling around the compressor housing walking toward the turbine side.
Actually leaking from the tester connection.

If so... no worries, just a funny picture to post.

It's the compressor housing itself unfortunately. Bubbles are actually walking toward the tester away from the turbine. I can't hear / feel any air, but it sure can double as a bubble machine.

At redline I'm seeing a drop to about 7.1 psi from a max of 8. Might explain the drop off in power I see on the dyno.

If I remember correctly, the GT28s have no O ring; bolts are definitely snug. High temp RTV seems to come highly recommended.

King Tut · 05-28-2013, 12:12 AM

That is interesting looking. I know I didn't put anything on any of my bolts when I assembled and clocked my GT28.

dabocx · 05-28-2013, 12:35 AM

Use this as a cheap excuse to get a gtx30

Gen · 07-01-2013, 02:14 PM

Mustang dyno after addressing some issues with the original fuel pump install and sealing the turbo. I don't advise following the instructions that are sent with the kit for the pump.

jamesm · 07-01-2013, 02:28 PM

That's still very, very low. Something is wrong there.

Opposed · 07-01-2013, 02:49 PM

Quote:

Originally Posted by jamesm

That's still very, very low. Something is wrong there.

On a Mustang dyno though? Those read super low as it is. Isn't the base FBM kit only do between 260-280whp on a Dynojet?

jamesm · 07-01-2013, 02:55 PM

Quote:

Originally Posted by Opposed

On a Mustang dyno though? Those read super low as it is. Isn't the base FBM kit only do between 260-280whp on a Dynojet?

i would still consider that to be very low. I've never seen an FBM kit make less than 270whp even on a completely stock car on 91. That's what, 225whp? I could be wrong.

Gen · 07-01-2013, 02:57 PM

Quote:

Originally Posted by jamesm

i would still consider that to be very low. I've never seen an FBM kit make less than 270whp even on a completely stock car on 91. That's what, 225whp? I could be wrong.

217

For what it's worth, it read 155 at the wheels before addressing the fuel pump. The original installer followed the instructions on the install to a T, complete with zip ties. (not being sarcastic) It's now much more secure.

jamesm · 07-01-2013, 03:06 PM

correction to a dynojet reading would be 12% according to the sticky (not an exact science, i know). that put's at at 243 dynojet whp. i'd get the thing looked at.

Gen · 07-01-2013, 03:22 PM

Quote:

Originally Posted by jamesm

correction to a dynojet reading would be 12% according to the sticky (not an exact science, i know). that put's at at 243 dynojet whp. i'd get the thing looked at.

Quite honestly, I think the numbers people think it makes aren't realistic.

Here's King Tut's Dyno on 93

Considering it's on a dynojet with better fuel, that's damn near identical.

This was his 14psi run.

FullBlown · 07-01-2013, 03:33 PM

We just did a complete turbo install on a customer car that made 304hp @10 psi on 93 pump.

On 16 psi and e85 we made 400hp. I will post up the whole build shortly.

King Tut · 07-01-2013, 05:17 PM

Quote:

Originally Posted by Gen

Quite honestly, I think the numbers people think it makes aren't realistic.

Here's King Tut's Dyno on 93

Considering it's on a dynojet with better fuel, that's damn near identical.

This was his 14psi run.

I would not quote my numbers. As time has gone on, I have grown less confident in either of those dyno plots being correct due to RPM pickup issues. The RPM scale is not correct for either pull that was collected. I will have new dyno plots after July 12th.

05-28-2013, 12:12 AM	#18
King Tut NASA SpecE30 Racer Join Date: May 2012 Drives: 2006 Honda S2000 Location: Gulf Breeze, FL Posts: 7,279 Thanks: 607 Thanked 5,759 Times in 3,055 Posts Mentioned: 274 Post(s) Tagged: 10 Thread(s)	That is interesting looking. I know I didn't put anything on any of my bolts when I assembled and clocked my GT28. __________________ - King Tut Street/Track Car: 2006 Honda S2000 TT3 \|\| Race Car: 1987 BMW 325is SpecE30 \|\| Tow Vehicle: 2014 RAM 1500 EcoDiesel Sold Cars: 2012 BMW M3 \|\| 2013 Subaru BRZ \|\| 2012 Porsche Cayman R \|\| 2009 Chevrolet Z06 \|\| 2009 BMW M3 \|\| 2004 BMW M3 \|\| 2004 Nissan 350Z

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05-27-2013, 12:52 AM	#15
Gen Senior Member Join Date: Jun 2012 Drives: Scion FR-S Location: Under a rock Posts: 1,060 Thanks: 75 Thanked 552 Times in 270 Posts Mentioned: 39 Post(s) Tagged: 0 Thread(s)	Eh...

05-28-2013, 12:35 AM	#19
dabocx Senior Member Join Date: Jan 2012 Drives: Scion FRS Location: United States Posts: 1,267 Thanks: 564 Thanked 261 Times in 191 Posts Mentioned: 9 Post(s) Tagged: 0 Thread(s)	Use this as a cheap excuse to get a gtx30

07-01-2013, 02:14 PM	#20
Gen Senior Member Join Date: Jun 2012 Drives: Scion FR-S Location: Under a rock Posts: 1,060 Thanks: 75 Thanked 552 Times in 270 Posts Mentioned: 39 Post(s) Tagged: 0 Thread(s)	Mustang dyno after addressing some issues with the original fuel pump install and sealing the turbo. I don't advise following the instructions that are sent with the kit for the pump.

07-01-2013, 02:28 PM	#21
jamesm Banned Join Date: Mar 2013 Drives: 2013 FR-S Location: Orlando, FL Posts: 2,929 Thanks: 1,166 Thanked 2,293 Times in 1,180 Posts Mentioned: 313 Post(s) Tagged: 4 Thread(s)	That's still very, very low. Something is wrong there.

07-01-2013, 03:06 PM	#25
jamesm Banned Join Date: Mar 2013 Drives: 2013 FR-S Location: Orlando, FL Posts: 2,929 Thanks: 1,166 Thanked 2,293 Times in 1,180 Posts Mentioned: 313 Post(s) Tagged: 4 Thread(s)	correction to a dynojet reading would be 12% according to the sticky (not an exact science, i know). that put's at at 243 dynojet whp. i'd get the thing looked at.

07-01-2013, 03:33 PM	#27
FullBlown Senior Member Join Date: Sep 2012 Drives: Scion FRS Location: MN Posts: 1,171 Thanks: 242 Thanked 2,026 Times in 548 Posts Mentioned: 298 Post(s) Tagged: 4 Thread(s)	We just did a complete turbo install on a customer car that made 304hp @10 psi on 93 pump. On 16 psi and e85 we made 400hp. I will post up the whole build shortly.

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