Fuel pump, injectors, TGV deletes and TD04 19T - Page 7
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This is a discussion on Fuel pump, injectors, TGV deletes and TD04 19T within the Engine Modifications forums, part of the Tech & Modifying & General Repairs category; Originally Posted by zax Not for the kind of spool you're looking, Bill. Exactly. The install will likely be next ...

  1. #91
    Moderator   Sasquatch's Avatar
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    Quote Originally Posted by zax View Post
    Not for the kind of spool you're looking, Bill.
    Exactly.

    The install will likely be next week if all goes as planned.
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  3. #92
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    Quote Originally Posted by Sasquatch View Post
    Exactly.

    The install will likely be next week if all goes as planned.
    How you're managing to get so much spank at low revs out of a teeny tiny 2.0L with low compression and no VVT is beyond me...

    Honestly, after putting hours behind the wheel of my gf's Speed3, I'm starting to think I'd trade top-end acceleration for low-end grunt any day....
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    Turbo wrap 3.0

    This is about as thick and wide as I think I can go. 7 layers versus 3 for the one I did last month. Having the turbo off the WRX made it far easier to fit and snug down. I hope it does not interfere with the install at the end of the week.

    This has to help with heat soak - I'll need it this weekend. Temps are expected to be near 100.





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    7 layers of the foiled wrap, or a mix of the naked wrap and foiled?

    I've been thinking about this pimp stuff, although I wouldn't buy the kit.

    HP Turbo Heat Shield Kit | Heatshield Products

    Don't need a ton considering the TD04 and only the bell mouth part of the DP to cover (don't want to cover the cat). I've also been considering expanding on the OEM heat shield, but insulation is likely easier, and more effective. When I still had the tiny 06 TMIC heat soak wasn't as much of an issue as it is with the STI TMIC.
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    Quote Originally Posted by mudferret View Post
    7 layers of the foiled wrap, or a mix of the naked wrap and foiled?
    5 layers of the thicker brown stuff (4 full width) and two of the foil / fabric. The foil has thinner fabric on the reverse side. Wrap 1.0 (2 layers) is inside 3.0.

    As stated before the kit was a freebie.
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    Registered User poly_poly-man's Avatar
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    Are you going to run a heat shield, or just enough heat wrap (basically like a ghetto turbo blanket :P ) to keep things cool?

    I've been kicking around an idea to do the latter, and I want to see if anyone's tried something similar.

    Also, you selling the old turbo? :P
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    Looks good/clean. I don't think it will cause any install issues.

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    Quote Originally Posted by poly_poly-man View Post
    Are you going to run a heat shield, or just enough heat wrap (basically like a ghetto turbo blanket :P ) to keep things cool?

    I've been kicking around an idea to do the latter, and I want to see if anyone's tried something similar.

    Also, you selling the old turbo? :P
    Both the wrap and Cobb heat shield I bought used some time ago.

    Selling the Deadbolt Monster TD04? Quite possibly - interested?

    Quote Originally Posted by c2bcoolwrx View Post
    Looks good/clean. I don't think it will cause any install issues.
    Thanks. I may need to push down on the wrap to get a downpipe nut or two on.
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    Quote Originally Posted by Sasquatch View Post
    Both the wrap and Cobb heat shield I bought used some time ago.
    Lemme know how that goes - specifically, if the heat shield actually gets hot. I have a theory that hot heat shields can cause pretty darn bad heat soak by themselves - you're basically adding more thermal mass to the engine. Getting that heat to stay completely (as possible) in the exhaust would be amazing
    Selling the Deadbolt Monster TD04? Quite possibly - interested?
    I'm sooo interested - I'm a little low in the funds department, but I'll see if I can fish some money soon out of the guys who owe me a couple grand (geez, I keep forgetting about that :P ). That's a damned good turbo short of upgrading, and I don't believe you can get that treatment anymore!
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    Instead of the "Disco Potato" you got a "Disco Burrito"! That wrap reminds me of lunch at Chipolte's......mmmmmm
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    Quote Originally Posted by poly_poly-man View Post
    Lemme know how that goes - specifically, if the heat shield actually gets hot. I have a theory that hot heat shields can cause pretty darn bad heat soak by themselves - you're basically adding more thermal mass to the engine. Getting that heat to stay completely (as possible) in the exhaust would be amazing
    I see your point ...

    A plain heat shield has to be better than none. The one GrimmSpeed just put out is similar to the Cobb. They tend to put at least some effort into their products during R & D.

    Quote Originally Posted by poly_poly-man View Post
    I'm sooo interested - I'm a little low in the funds department, but I'll see if I can fish some money soon out of the guys who owe me a couple grand (geez, I keep forgetting about that :P ). That's a damned good turbo short of upgrading, and I don't believe you can get that treatment anymore!
    There is one buyer who I must give first shot at it before anyone. If that falls through I'll keep you in mind - I'm sure we can come to a fair deal.

    With a Victory Meet in August the timing will work out very well (no shipping).

    Quote Originally Posted by Donkey View Post
    Instead of the "Disco Potato" you got a "Disco Burrito"! That wrap reminds me of lunch at Chipolte's......mmmmmm
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  13. #102
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    Quote Originally Posted by poly_poly-man View Post
    Lemme know how that goes - specifically, if the heat shield actually gets hot. I have a theory that hot heat shields can cause pretty darn bad heat soak by themselves - you're basically adding more thermal mass to the engine.
    No, Poly. The heatshield acts by reflecting some of the IR radiation away from the interior of the engine bay. There's no such thing as adding "more thermal mass." Since the heatshield is hardly physically connected to the heat source, most of the heat that the shield is radiating comes from IR absorption from the turbo surface. Without the heat shield, that radiation would be absorbed elsewhere in the engine bay. Like I said, the shield acts to reflect perhaps 30-40% of the thermal radiation back towards the turbo and ground... that's pretty damn effective to me.
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  14. #103
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    Quote Originally Posted by zax View Post
    No, Poly. The heatshield acts by reflecting some of the IR radiation away from the interior of the engine bay. There's no such thing as adding "more thermal mass." Since the heatshield is hardly physically connected to the heat source, most of the heat that the shield is radiating comes from IR absorption from the turbo surface. Without the heat shield, that radiation would be absorbed elsewhere in the engine bay. Like I said, the shield acts to reflect perhaps 30-40% of the thermal radiation back towards the turbo and ground... that's pretty damn effective to me.
    Sure, that part of it helps (I'm not arguing that it helps on a stock setup). What I am saying is that it does have a few downsides - when it gets hot, that heat radiates up to the I/C. And that heat will stay around for a very long time.

    My idea is to have a good enough turbo blanket, and a lot of exhaust wrap, to the point where there is as little heat as possible lost out of the exhaust, which would present, IMO, a good *alternative* to a heat shield, even if the amount of heat reflected were identical (although you might be able to get more, if you used quality stuff).
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    If you ceramic coat the top of the heat sheild,maybe even say some high temp header paint,it would reduce any radiant heat. My turbo blanket actually wraps around the downpipe flanges as well. Then my downpipe from the flange to the turn where it goes under the car is wrapped. Cuts down a good amount of heat.
    Last edited by Donkey; 07-19-2011 at 07:03 AM.
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  16. #105
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    Quote Originally Posted by poly_poly-man View Post
    My idea is to have a good enough turbo blanket, and a lot of exhaust wrap, to the point where there is as little heat as possible lost out of the exhaust
    Quote Originally Posted by Donkey View Post
    My turbo blanket actually wraps around the downpipe flanges as well.
    Turbo blanket =
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