Heat soak??? - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 10 Old 10-18-2012, 11:35 PM Thread Starter
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Heat soak???

Ok so I took my car for the longest drive sense I've had the turbo (on3) on the car! I went to make a hard pull an when it starts make boost it starts falling on its face like the is no timming in the motor! Sounds like its making power but its just not pulling hard! Got home and it sat for about 30 min or so and I opened the hood and started looking at things! Grabbed the cold side pipe where it goes into the TB and it was pretty hot! Almost hot enough that it kinda burned if I held my hand on it too long!

It's this consided heat soak?!? If so what's the cause/fix?

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post #2 of 10 Old 10-19-2012, 01:53 AM
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Meth Injection

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post #3 of 10 Old 10-19-2012, 02:43 AM
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after sitting for 30 minutes the engine heat escaping the bay will get the pipe hot like that. or sitting at idle for awhile, but when the car is driving it gets cooler

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post #4 of 10 Old 10-19-2012, 09:31 AM
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I dunno what the temps are in South Carolina but here in Texas, heat soak IS a major issue. After converting from supercharger to turbocharger it was even worse! So it is very possible your intake temps wetre getting too high and timing was being pulled.

It's cooled down significantly here and now my car feels like a rocketship the entire trip.

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post #5 of 10 Old 10-19-2012, 03:36 PM Thread Starter
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I'm thinking I should wrap the down pipe and maybe the headers and even try a spacer between the upper and lower intake. Wouk weaping the cold side pipe where it's close and crosses over the down pipe help too? Any other suggestions?
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post #6 of 10 Old 10-19-2012, 03:38 PM
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Definitely wrap the down pipe and crossover. On3 doesn't warranty the pipes if you wrap the headers.

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post #7 of 10 Old 10-19-2012, 04:25 PM
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What was the outside ambient temp?....How much boost was it cranked up to when it was falling on its face? My car will fall on its face at the track if the outside temp is over 85 and my boost is over 15psi no matter what timing I have in it.....Intake air temps just plane get too high. Methanol will most likely take car of it but I dont have my car tuned yet for it or e85. Too much timing, high boost and heat makes turdblower cars run like crap....Thats why all the drag racers run air to water inner coolers and e85 or methanol. I can almost assure you that your intake air temps was too high..

95gt Dart block 363, TEA 205 Heads. 78MM Turdblower Custom cam, All fab work done by me....Moates tuned by me, AODE done up, yep I got overdrive. Drag radials, 327 rear. Next setup to come over winter...lol
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post #8 of 10 Old 10-19-2012, 04:55 PM Thread Starter
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Ambient temp was in the mid to high 70s. Only making ard 5-6lbs of boost right now. And I've been reading up on meth injection! Seems like the way to go...
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post #9 of 10 Old 10-19-2012, 05:47 PM
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70 degrees and only 5psi?! Shew .... your car shouldn't be having any problems with that!

1965 AC Cobra 427SC Replica [Carb Edelbrock 306ci SBF, 1980lbs]
2001 Mustang GT - [645WHP, 652TQ][MMR900 + Trick Flow Heads + Intake][ON3 Turbo @ 14psi]
2007 Jeep Grand Cherokee HEMI, 2006 Infiniti G35, 2012 Honda CRV EXL [The Daily Drivers!]
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post #10 of 10 Old 10-19-2012, 08:45 PM Thread Starter
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Well the cold side tube coming from the turbo to the intercooler is only 1/4 away from the cross over exhaust pipe and the the cold side pipe going into the throttle body is almost touching the down pipe. On3 design.... Not to mention the day I had that problem I was going down the hwy turning 2800 or so for like 1 1/2 hours. Wrong gear for the turbo I know, haven't got around to a new gear set yet!

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