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2010-09-15, 09:21 AM | #1 |
EJ22
Join Date: May 2008
Posts: 244
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GrimmSpeed Heat Shield Temp. Testing
Has anyone actually seen temp testing data from afermarket turbo heat shields? I've looked everywhere and couldnt find anything. We have a couple temp probes that we used during designing of our heatshield but i was thinking about doing some more robust testing so there is some good data out there. So many people out there run no heat shield on their car and we wanted to know the difference. Your thoughts??
In the following days we will be posting up the temp numbers we have at idle (obviously at operating temp) and cruising with cruise control at 60mph. There are multiple locations we have selected and soon enough we will have the results posted!! Stay tuned..... So here it is, after a long day of testing yesterday we are very pleased to bring you some really exciting results! To give you a little background these tests were done on a 2002 WRX with a 2.5l block with 2.0l heads and a VF39. STI TMIC, aftermarket downpipe, and Samco Throttle Body Coupler. All of the tests were performed in one day with the air temp @ 65 F. All temps have been recorded in F. Both IAT's for pre and post readings were measured INSIDE the pipes @ the connections. All numbers recorded are true to readings and have not been modified in any way, enjoy! Now this graph shows the IAT's INSIDE the system at the Turbo Compressor Housing Exit (PRE) to the Throttle Body Coupler (POST) So what have we concluded, well the data shows it all! The heat shield is in fact VERY effective at blocking heat from vital parts of the engine as well as keeping the IAT's SIGNIFICANTLY lower. Will Last edited by GrimmSpeed; 2010-09-16 at 01:16 PM. |
2010-09-15, 09:24 AM | #2 |
Candy Mountain
Real Name: Cody Join Date: May 2005
Location: Californication
Posts: 7,751
Car: 03 Pussy Wagon, now with more pink!
Class: TESP
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Your turbo heat shield keeps the engine cooler?
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2010-09-15, 10:10 AM | #3 |
The Doink
Real Name: Scott Join Date: Nov 2002
Location: Portland, OR
Posts: 20,335
Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
The way out is through
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Theoretically it should. Shrouding the turbo holds heat into the exhaust that would otherwise heatsoak the intake manifold, block, etc.
I've been sans turbo heat shield for a long time (ever since my cheap-o Gruppe-S shield vibrated itself into two pieces). IIRC, my intake temps went up once I started running w/o the shield. 'Course back then I was running a Perrin BigMAF. Not so sure it makes a huge difference with the KSpeed CAI... seeing some real-world numbers from GrimmSpeed would be awesome.
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2010-09-15, 10:18 AM | #4 |
EJ22
Join Date: May 2008
Posts: 244
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2010-09-15, 10:19 AM | #5 |
Candy Mountain
Real Name: Cody Join Date: May 2005
Location: Californication
Posts: 7,751
Car: 03 Pussy Wagon, now with more pink!
Class: TESP
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Well, he edited his post to remove the part about keeping the engine cooler. Regardless, the obvious main benefit of a turbo heat shield is that it keeps the TMIC from heat soaking as readily.
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Slow and low, that is the tempo. |
2010-09-15, 10:27 AM | #6 | |
The Doink
Real Name: Scott Join Date: Nov 2002
Location: Portland, OR
Posts: 20,335
Car: '09 OBXT, '02 WRX, '96 Miata
Class: PDX/TT-6
The way out is through
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Quote:
On a relatively stock motor, I bet running with the intake an extra 20F-30F hotter means nothing. But on a motor tuned up to the limit might see detonation with that much heatsoak to the intake, even with a FMIC. But again, it all comes down to the actual numbers. How much heat does the turbo really put out with and without the heatshield? It will be interesting to see the results of their test.
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2010-09-15, 10:31 AM | #7 | |
EJ22
Join Date: May 2008
Posts: 244
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Quote:
Will |
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2010-09-15, 10:51 AM | #8 | ||
Candy Mountain
Real Name: Cody Join Date: May 2005
Location: Californication
Posts: 7,751
Car: 03 Pussy Wagon, now with more pink!
Class: TESP
OMG Internet!
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Quote:
Moral: A hot IC is trouble. Quote:
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Slow and low, that is the tempo. |
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2010-09-15, 02:18 PM | #9 |
SECCS Brewmeister
Join Date: Oct 2005
Location: on the edge of a marsh
Posts: 1,451
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2010-09-15, 02:33 PM | #10 |
n00b
Real Name: Joshua Join Date: Jul 2010
Location: 431
Posts: 4
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Can't wait to see this info! I've been looking into getting one since the previous owner of my car decided it was a good idea to take it off after replacing the downpipe.
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2010-09-15, 03:47 PM | #11 |
EJ205
Real Name: Austin Join Date: Jan 2009
Location: South Reno, NV
Posts: 1,406
Car: 2006 WRB WRX TR, 2008 LR STI
Class: Too classy
Dont sweat the petty... Pet the sweaty.
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If this fit's over my turbo I might pick one up...
...is it worth it even if im fmic'd?
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2010-09-15, 10:43 PM | #12 |
EJ251
Real Name: Rob Join Date: Jun 2008
Location: Reno
Posts: 679
Car: 2019 CBS WRX Premium
Class: Middle
Shoot for the moon, because even if you miss, you'll still be among the stars
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I'm assuming the test will be against the stock heat shield also, not just no heat shield?
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2010-09-15, 11:16 PM | #13 |
(40 percent vodka)
Real Name: Joel Join Date: Oct 2006
Location: Reno, NV
Posts: 4,446
Car: 2004WRX
Class: Baby-Hauler/GroceryGetter
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I think the engine bay temperature would be unchanged when comparing your heat shield vs. no heat shield. I think the only benefit would be to reduction of direct heat applied to the TMIC like Cody said. The aftermarket heat shield would IMO let more heat into the engine bay vs. the stock heat shield.
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2010-09-16, 08:28 AM | #14 |
EJ22
Join Date: Apr 2008
Location: SW Reno
Posts: 160
Car: 05 sti - 01 GSX-R 750
To learn your limits, you must push past them
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I am staying TMIC so I did a lot of heat management. On my 20g I have a heatshield (the thermotech one you make yourself) and then a turbo blanket over that. This is all connected to grimmspeed Coated and wrapped header/x-pipe/uppipe and a coated wrapped downpipe. If the heatshield shows significant improvement in IC heatsoak i'll probably throw that on too lol. I have seen the cobb heatshield and that seems mostly useless to me, especially compared to the stock one.
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2010-09-16, 05:36 PM | #15 |
EJ22
Join Date: May 2008
Posts: 244
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Results updated in OP!
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