Under bonnet temps? Keeping them down?
11 February 2003, 03:22 PM
#31
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Also bear in mind, a more efficient tmic will (should 
) have less of a pressure drop across it...meaning you get the same manifold pressure after less work from the turbo. Assuming the tmic is at least as good at cooling as the OE one then your onto a winner, as that same manifold pressure will be entering the ic slightly cooler too.
Richard
) have less of a pressure drop across it...meaning you get the same manifold pressure after less work from the turbo. Assuming the tmic is at least as good at cooling as the OE one then your onto a winner, as that same manifold pressure will be entering the ic slightly cooler too.Richard
15 February 2003, 05:17 PM
#32
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Right I'm about to fit my ASP tmic to my 02 wrx. Anyone got any more thoughts about reducing heat soak? Is it worth getting my downpipe lagged when i get it fitted? Does anyone do modified heat shields to fit uprated d/pipes? Or can the OE one be modified to re-fit?
cheers
Ed
cheers
Ed
15 February 2003, 07:05 PM
#33
The only way to reduce heat soak on the APS TMIC would be to fit a fan underneath. IIRC it has been done before.
Heat soak will only be a problem in traffic though IMH and measured O.
F
Heat soak will only be a problem in traffic though IMH and measured O.
F
15 February 2003, 07:31 PM
#34
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Surely lagging / modded retrofitted heat shield will help? I appreciate hot air rises so its gonna be a problem regardless, but the shielding should help reduce direct heat where the larger intercooler overhangs the d/pipe?
Is it worth getting waterspray fitted for when heat soak is an issue (traffic etc) if so how much?
Is it worth getting waterspray fitted for when heat soak is an issue (traffic etc) if so how much?
16 February 2003, 01:43 PM
#36
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It is quite feasible to modify the OEM heat shield to fit. I did post some pics of mine smoewhere around November; I'll let you do the search. 
The other thing that helps is if you have a cast downpipe, with built in heatshield - like my APS. 
I would also suggest that having some insulation on the up-pipe must make some difference, both on keeping underbonnet temps down, and maintaining thermal energy in air entering the turbo.
Finally - although I don't know anyone who has tried it - I know Demon Tweaks sell a "high temperature tea cosy" to fit over the turbo and surrounds (probably just exhaust wrap, only shaped), and claim good benefits from maintaining gas energy into the turbo and keeping underbonnet temps down. Might be worth a look?
The other thing that helps is if you have a cast downpipe, with built in heatshield - like my APS. I would also suggest that having some insulation on the up-pipe must make some difference, both on keeping underbonnet temps down, and maintaining thermal energy in air entering the turbo.
Finally - although I don't know anyone who has tried it - I know Demon Tweaks sell a "high temperature tea cosy" to fit over the turbo and surrounds (probably just exhaust wrap, only shaped), and claim good benefits from maintaining gas energy into the turbo and keeping underbonnet temps down. Might be worth a look?
02 May 2003, 10:03 PM
#39
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You have to be holistic - why allow the block to bleed heat into your inlet manifold, or your fuel lines?
Richard
[Edited by dowser - 2/5/2003 10:03:50 PM]
Richard
[Edited by dowser - 2/5/2003 10:03:50 PM]
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