Single Turbo RX-7's Questions about all aspects of single turbo setups.

Will a PTP turbo blanket fit here?

Old 03-02-10, 11:41 AM
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Will a PTP turbo blanket fit here?

he guys just doing some mock ups for my single and I will be running a GZ lim so it has moved the front intake runner a bit close to the turbine housing. see the turbo is kinda high on this manifold for whtever reason. so i have id say almost 5/8" between the two and this is to close for nothing inbetween them for heat so i want to put on a PTP turbo blanket. Now from what i understand its rather bulky and about 1" of ceramic inulation. will i be able to squish it inbetween and possible ceramic coat my LIM and put a layer of DEI reflctive heat shield to keep the turbo from heating the front secondary runner?

any other ideas are welcome short of getting a 400$ inconell turbo cover lol i know they work but im not gonna spend that much. i may have enough room to cut the mani off the flange and extend it out another 1/2-1" but id like to not do this.

heres some pics of what im talking about.

Heres the GZ LIM




heres the stock LIM distance

Attached Thumbnails Will a PTP turbo blanket fit here?-stock-intake.jpg   Will a PTP turbo blanket fit here?-gz2.jpg   Will a PTP turbo blanket fit here?-gz1.jpg  
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Old 03-02-10, 12:58 PM
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I wouldn't put a turbo blanket on a oil cooled only turbo. I have seen two fry their bearings. I believe it would fit in there however.
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Old 03-02-10, 02:33 PM
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fried bearings would be more like not letting the turbo cool down before shutting down the car right? I have seen a number of people with turbo blankets on journal bearing turbos.
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Old 03-02-10, 02:52 PM
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Originally Posted by 1Revvin7 View Post
I wouldn't put a turbo blanket on a oil cooled only turbo. I have seen two fry their bearings. I believe it would fit in there however.
excelent on the fitment hopefully lol. unfortunatly in the grand scheme of things the turbo life is not as important as the longevity of the underhood componants and intake temps. thanks though this turbo will most likely be replaced with a water unit anyhow once failed.

Originally Posted by hondahater View Post
fried bearings would be more like not letting the turbo cool down before shutting down the car right? I have seen a number of people with turbo blankets on journal bearing turbos.
yes and no cool down helps but the whole purpose of the blanket is to keep heat in the turbo and when its running and oil is cooling while flowing its not as big a deal. but once shut down the blanket is still doing its job and the heat is no longer flowing and needs to disipate somehow which will be the CHRA and downpipe unfortunatly if we're using the blanket the downpipe is most likely wrapped or coated as well so it really leaves only one place to go. now i dont think itll destroy the turbo instantly but it will sooner than not blanketed.

z
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Old 03-02-10, 03:25 PM
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Originally Posted by hondahater View Post
fried bearings would be more like not letting the turbo cool down before shutting down the car right? I have seen a number of people with turbo blankets on journal bearing turbos.
You'd be surprised! I ran a blanket on my T04-R for about a year. Had it rebuilt later on due to a chewed turbine from a blown engine. The shop called me and wondered about what I put it through.....when he heard what it was on and that I had a blanket he said straight away "we'll use a wet center in the rebuild then".

I had a look at the shaft itself and it was blue'd to nearly the compressor side! Would have never believed it if I didn't see it myself. To boot, I never ran over 10psi on it at the time.
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Old 03-02-10, 06:13 PM
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Originally Posted by classicauto View Post
You'd be surprised! I ran a blanket on my T04-R for about a year. Had it rebuilt later on due to a chewed turbine from a blown engine. The shop called me and wondered about what I put it through.....when he heard what it was on and that I had a blanket he said straight away "we'll use a wet center in the rebuild then".

I had a look at the shaft itself and it was blue'd to nearly the compressor side! Would have never believed it if I didn't see it myself. To boot, I never ran over 10psi on it at the time.
Exactly. The units I have seen that are cooked have never been boosted close to shut down time, and always idles for 120 second range.
It also appears if you run too small of a turbine housing regardless of water cooled chra its a problem too. I just quit selling the blankets all together...
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Old 03-03-10, 06:58 AM
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get the exhaust housing and intake manifolds ceramic coated ?? Still is on the pricey side as well
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Old 03-03-10, 08:14 AM
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well to increase turbo life another option would be just a lower intake blanket like turblown.net has. But can it take being that close proximity to the turbine housing? maybe 1revvin7 can comment on that? and ceramic coatings are definatly doing to be incorperated as i can get them rather decently priced local

but as i look more into this setup and the room i have to work with i may end up cutting and adding a length of pipe to the manifold moving it away from the intake. i didnt want to right now but after lookng at my time frame it will work out i think. i just need a little practce on tig welding the 304 stainless and a back purge setup.

z
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Old 03-03-10, 03:36 PM
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Originally Posted by proz07 View Post
well to increase turbo life another option would be just a lower intake blanket like turblown.net has. But can it take being that close proximity to the turbine housing? maybe 1revvin7 can comment on that? and ceramic coatings are definatly doing to be incorperated as i can get them rather decently priced local

but as i look more into this setup and the room i have to work with i may end up cutting and adding a length of pipe to the manifold moving it away from the intake. i didnt want to right now but after lookng at my time frame it will work out i think. i just need a little practce on tig welding the 304 stainless and a back purge setup.

z
I will let you know shortly. This if the first chance we have had to test this..
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Old 03-03-10, 03:50 PM
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Originally Posted by classicauto View Post
You'd be surprised! I ran a blanket on my T04-R for about a year. Had it rebuilt later on due to a chewed turbine from a blown engine. The shop called me and wondered about what I put it through.....when he heard what it was on and that I had a blanket he said straight away "we'll use a wet center in the rebuild then".

I had a look at the shaft itself and it was blue'd to nearly the compressor side! Would have never believed it if I didn't see it myself. To boot, I never ran over 10psi on it at the time.
Interesting. Maybe when I get a new manifold and bigger hotside and egt's aren't such a big threat to underhood temps, I may just ditch the blanket. My hotside right now has the black hightemp ceramic coating on it but that didn't seem to help with under hood temps near as much as a turbo blanket. I do also have a turblown lower intake manifold blanket which helps as well. But right now my egts while cruising around are pretty high. Now if they were as cool as when I whoop on the car then I wouldn't have a problem removing my blanket.
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Old 03-03-10, 07:28 PM
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It should fit fine
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Old 03-03-10, 07:29 PM
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Turbo blankets save your cars hoods, i recommend you use them
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Old 03-04-10, 05:01 AM
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Originally Posted by Veilside RX7 are awesome View Post
Turbo blankets save your cars hoods, i recommend you use them
save hoods? read this thread, you may learn something.

That said, I have the blanket in question and it will fit. Though I'd be worried about using it on a non-water cooled chra, as mentioned. However, I've had too much havoc caused by an uncovered turbo to run one again. I understand the risks of a blanket, but it's worth it to not have a 6-inch radius incendiary zone on my car's passenger side. I can touch a hot blanket with my hand.

Proper tuning, turbine size, and water cooling work wonders.
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Old 03-04-10, 08:03 AM
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Originally Posted by tasty danish View Post
save hoods? read this thread, you may learn something.

That said, I have the blanket in question and it will fit. Though I'd be worried about using it on a non-water cooled chra, as mentioned. However, I've had too much havoc caused by an uncovered turbo to run one again. I understand the risks of a blanket, but it's worth it to not have a 6-inch radius incendiary zone on my car's passenger side. I can touch a hot blanket with my hand.

Proper tuning, turbine size, and water cooling work wonders.

sounds good knowing more people say itll work. and i entirely understand not using one on an oil only CHRA but in the grand scheme of things not that big a deal if i smoke it. its just a old school t66 from ITS lol hell they arent even in business anymore. more importantly is dramatically reducing underhood temps and saving important thingslike the 1300+ worth of wiring harnesses.....and my hood LOL

z
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Old 03-04-10, 08:43 AM
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Well that's sort of my hole point. I mean controlling underhood temps is very important to the longevity of your motor as well. You keep a hot engine bay and pre-ignition and detonation from heatsoaked intake manifolds and aits is way more likely to happen then without proper heat management. I've got a masterpower t70 for now and may go to a turbonetics t70 soon. Both of which shouldn't be that big of a deal to rebuild if/when that time comes. My hole point is I'd rather rebuild a turbo then a motor.
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Old 03-05-10, 02:34 AM
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Originally Posted by proz07 View Post
saving important thingslike the 1300+ worth of wiring harnesses.....and my hood LOL

z
YES. to be specific, my turbine, which was a good 4-ish inches from my strut tower, totally conflagrated the haltech harness that ran along side it. I literally watched the wire loom (it was retardant so it didn't ignite) just eat away. And my turbo wasn't glowing or anything like that. EGT's 1600-1700-ish. I'd hate to see what a glowing turbine housing would do.
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Old 03-05-10, 07:47 AM
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Originally Posted by tasty danish View Post
YES. to be specific, my turbine, which was a good 4-ish inches from my strut tower, totally conflagrated the haltech harness that ran along side it. I literally watched the wire loom (it was retardant so it didn't ignite) just eat away. And my turbo wasn't glowing or anything like that. EGT's 1600-1700-ish. I'd hate to see what a glowing turbine housing would do.
http://www.summitracing.com/parts/DEI-010474/?rtype=10 this should help you in addition to the blanket and wrap heat control is cheap much cheaper than replacing oem harnesses and the like

z
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Old 03-05-10, 08:10 AM
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Originally Posted by proz07 View Post
http://www.summitracing.com/parts/DEI-010474/?rtype=10 this should help you in addition to the blanket and wrap heat control is cheap much cheaper than replacing oem harnesses and the like

z
Thanks, but I got me some o' dat too! I bought the car with a stock turbo from a TII (this is in an FB) and the haltech already done and while it made it crusty, it didn't have any huge problems. When I strapped on the Tangential to4e 60-trim it went up in smoke.

Only then did I properly redo the setup (well I guess I still am).
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Old 03-05-10, 09:36 AM
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yeah I have that sleeving for my water injection line that runs right next to the turbo. Expensive stuff but I have absolutely no problems with that water line getting hot and melting.
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