Afraid of underhood temps w/ turbo - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 19 Old 01-01-2008, 08:14 PM Thread Starter
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Afraid of underhood temps w/ turbo

I'm a newbie to turbo forum spend most of time on s/c. Like the title saids I haven't done a turbo for one reason and one reason only " underhood temps".
A little info, forged short w/ oliver rods and r block, all the fuel needed (85 lbs inj etc), pms, ysi vortech 814 rwhp 745 tq @ 20 psi 20* timing here's a link for the long version , http://www.vortechsuperchargers.com/...ection=V-Rides
I've been doing the mustang thing since 93 so I've been through it all!!
So the question how bad are the underhood temps? Looking for replies mainly from street cars. Do you avoid hot days, traffic, peeling paint, melted wires daily etc.


One owner 50,000 miles Dart 363, oliver rods, Karl's East Coast custom Y2k 82mm turbonetics, TW stage 2 Fox Lake, PMS, Victor intake, PMAS custom pipe for 85 lb/hr inj. T56 Magnum 6 speed w/Spec3+,756 rwhp 746 tq (pump gas, 14psi, 20*) 840 rwhp 848 tq (race gas, 16.5psi, 20*) SOLD
-2014GT/CS
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post #2 of 19 Old 01-01-2008, 08:22 PM
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Nope I don't worry about mine at all, mine runs cooler now than it did with the stock block and a Novi 2K kit. It gets hot under the hood, you just have to be careful not to put anything close to the turbos. If you are really worried about it you can wrap the downpipes and but some descent blankets on the turbo(s)


89 GT--428 Dart Block 9.1:1, AFR 225's, Edelbrock Super Victor EFI ,Bullet Cams turbo cam, Accufab 90mm TB, TH-400, Ultimate Converter, AEM EMS, twin GT4088's
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post #3 of 19 Old 01-01-2008, 09:47 PM
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I never have to worry about mine until it gets up to about 90 to 95. Just keep wires away from the pipes and it will be all good. I have never ahand a problem with the paint

Big Bore Boss 347 FTI 225cc High Port, FTI Cam, Box R Intake under stock hood, T-56 Magnum, 4.30 gears.
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post #4 of 19 Old 01-02-2008, 08:07 PM
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Never had an issue, nothing melted, I only drive it in the summer, so avoiding hot days is out of the question because thats the only days I drive it.

Single Turbo 91 GT convertible
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post #5 of 19 Old 01-03-2008, 07:24 PM Thread Starter
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Thanks for the replies. Are all you guys running stock hoods? Heat extractors?

One owner 50,000 miles Dart 363, oliver rods, Karl's East Coast custom Y2k 82mm turbonetics, TW stage 2 Fox Lake, PMS, Victor intake, PMAS custom pipe for 85 lb/hr inj. T56 Magnum 6 speed w/Spec3+,756 rwhp 746 tq (pump gas, 14psi, 20*) 840 rwhp 848 tq (race gas, 16.5psi, 20*) SOLD
-2014GT/CS
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post #6 of 19 Old 01-03-2008, 07:42 PM
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my car is fine even in the heat of summer.. if you want to call Ohio summers "real" heat lol. I do run a larger then stock rad and a SN-95 ele cooling fan. rest is bone stock. hood and all. I have never really had any issues but I still want a turbo blanket and some header wrap. Its pretty much common sence.. you dont let your wires fall on the header when its N/A so really dont do it with the turbo lol.

I did notice it runs a TINY bit hotter (like 5* lol) then it did but I mounted my intercooler right in front of the rad blocking air..

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post #7 of 19 Old 01-03-2008, 11:09 PM
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mine always ran way hot due to a loose bypass valve hose that was letting in unmetered air. I was running way rich due to all the unmetered air which got everything real hot. I smoked a couple alternators, went thru 3 applications of heat wrap, burned up a VS Racing turbo blanket, melted wires, ran hot, you name it.

Now that its running properly, all my worries seem to be gone when it comes to heat.

Just dont be like my dad and lean the palm of your hand on a fully hot, exposed turbine housing. He learned real quick not to do that again!

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post #8 of 19 Old 01-03-2008, 11:49 PM
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I just placed an order for a couple cans of VHT "Fireproof" high temp paint (1200+ degrees) and some DEI header wrap which will hopefully keep most of the heat in the pipes and out of the engine bay. I'm going to be buying a Turbo blanket from VS Racing as well once I get my turbo.
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post #9 of 19 Old 01-03-2008, 11:56 PM
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98 degree days last summer running Twins that are right above the exhaust manifolds using a Fiberglass hood and no problems. I took some long 8 hour trips and never smelled paint or fiberglass. LOL
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post #10 of 19 Old 01-04-2008, 12:36 AM
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0 problems as well.. it feels cooler after driven then with the s/c

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post #11 of 19 Old 01-04-2008, 12:53 AM
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Quote:
Originally Posted by slo5.0. View Post
0 problems as well.. it feels cooler after driven then with the s/c
Good to hear - my kit will be arriving soon


My Christmas present so I feel like one of my kids right now lol

1986 Mustang GT
306 E303, TEA 185 TW, Quicktime Turbo 67mm, Redneck C4 15lbs boost
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post #12 of 19 Old 01-04-2008, 07:23 AM
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Quote:
Originally Posted by WhiteSSP View Post
I just placed an order for a couple cans of VHT "Fireproof" high temp paint (1200+ degrees) and some DEI header wrap which will hopefully keep most of the heat in the pipes and out of the engine bay. I'm going to be buying a Turbo blanket from VS Racing as well once I get my turbo.

Exactly what I did a few months ago and it seems to be holding up. Check all the welds on your hot side before you wrap it. My pass side header cracked where the 2 pipes merge and are welded to the turbo flange. I also got the newest turbo blanket from VS racing. Ask them about the prototype blanket. It was like $20 more, but made out of much better materials.

Matt
'95 GTS - (no engine) | TR-6060 | 9" w/Tru-Trac | Griggs T/A | MM Panhard | Koni DAs
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post #13 of 19 Old 01-04-2008, 10:01 AM
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I have seen some poorly designed systems that wreaked havoc under the hood with high temps regardless of if it was summer time or winter time. But those examples are not all that high. If you are really worried about heat from the turbos just mount them under the front frame rails like how the old Turbo Engineering and the current Turbo Time kits do. You end up dealing with oil return issues, both of those kits use return pumps, but you will get the heat away from anything of much importance.

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post #14 of 19 Old 01-04-2008, 11:18 AM
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I was told by a buddy of mine that one of the biggest mistakes he made was wrapping his pipes with header wrap? Anyone care to elaborate on this? I think he mentioned that it collected condensation under the wraps and led to his tubes rusting much faster.

1986 Mustang GT
306 E303, TEA 185 TW, Quicktime Turbo 67mm, Redneck C4 15lbs boost
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*Sold drivetrain - Rolling Chassis may be available*
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post #15 of 19 Old 01-05-2008, 12:24 PM
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Supposedly they will rust if you wrap them, but I don't think this is always the case. My car gets very hot, but I haven't had any issues.
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post #16 of 19 Old 01-05-2008, 07:08 PM
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Supposedly they will rust if you wrap them, but I don't think this is always the case. My car gets very hot, but I haven't had any issues.
I have heard the same thing, but how could moisture get trapped in the wrap and stay long enough to rust is what I wonder. Guess it is possible for cars that sit up for very long periods of time.

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post #17 of 19 Old 01-05-2008, 10:26 PM
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Originally Posted by snipe656 View Post
I have heard the same thing, but how could moisture get trapped in the wrap and stay long enough to rust is what I wonder. Guess it is possible for cars that sit up for very long periods of time.
I've thought the same thing. The pipe is still rediculously hot, the wrap just doesnt transmit as much heat which is why its cool to the touch. If the water is getting on the pipe, its going to burn off really quick and dry out the wrap pretty quickly as well.
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post #18 of 19 Old 01-05-2008, 10:52 PM
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My car actually runs quite a bit cooler with the turbo than before when it was N/A...Couldn't tell ya why though, nothing was changed!

306, TFS heads, Victor EFI, XE282, Tremec, 10" tires, and NX nozzle
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post #19 of 19 Old 01-06-2008, 05:58 AM
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Heat in Aussie...

85 to 100* days here and never had under bonnet / hood issues...
Some carefall attention while fitting turbo's helped though...
Ceramic coated exhaust with unshielded turbo...
Only issues I'v had is fuel boiling on dyno... Thats after 5 hours, over 600 rwhp...

1991 XR8 Australian Falcon TFS induction
2014 Falcon GTE Supercharged Coyote

85 Lb inj Custom cam ,P 2000 Haltech ecu...4x's 2 coil wasted spark ignition.Twin SC 61-2s with Dart block, 330/4340 Crank, Oliver rods,7.9/ comp c C.P pistons.. 482 rwkw/ 646 rwhp..A.P 4 pot brakes...TKO
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