Supercharger making contact with underhood insulation - Ford Mustang Forum
 
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post #1 of 9 (permalink) Old 04-21-2010 Thread Starter
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Supercharger making contact with underhood insulation

Not quite finished with whipple install (waiting for parts) and I fit checked the hood and found it makes solid contact with underhood insulation blanket. Anybody here had this problem?


2007 GT COUPE-475HP Ford Racing Whipple TOO MANY MODS TO LIST - SEE PROFILE
1995 LEXUS LS - 400
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post #2 of 9 (permalink) Old 04-21-2010
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Where is it hitting?


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post #3 of 9 (permalink) Old 04-21-2010
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My pulley had some mild contact with the hood liner. Didn't hinder the performance, just made rub marks on the liner when running. Tillman Speed told me the Whipple installation guide instructs you to remove the liner I think. So I see no reason to not remove it.

Chris @ Tillman said there shouldn't be problem with heat and the paint bubbling. At first I just cut a hole around where the pulley made a mark so it wouldnt touch and decided that looked like cra*. so I just took my chances and removed the whole hood liner. Haven't had any issues with the paint yet.

Just make sure the pulley isn't hitting the hood. You may have a diff problem then. Might need motor mounts or something.

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post #4 of 9 (permalink) Old 04-21-2010
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if you read the install manual itll say to remove the heat shield due to rubbing, i havent done it yet because the rubbing isnt that serious. Your performance will not suffer at all. If anything, just cut a hole in the area of contact and be done with it.

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post #5 of 9 (permalink) Old 04-21-2010 Thread Starter
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Quote:
Originally Posted by stlwagon View Post
Where is it hitting?
It's hitting a sensor on the fuel rail that I had to install while putting in shelby guage pod.

2007 GT COUPE-475HP Ford Racing Whipple TOO MANY MODS TO LIST - SEE PROFILE
1995 LEXUS LS - 400
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post #6 of 9 (permalink) Old 04-21-2010
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Quote:
Originally Posted by Stanger07 View Post
Not quite finished with whipple install (waiting for parts) and I fit checked the hood and found it makes solid contact with underhood insulation blanket. Anybody here had this problem?
Yeah, it's in the instructions to remove it.

When I had the 400 HP & the larger 3.875(?) pulley it was hitting, so I took it off. I had it off for roughly 7 months before I upgraded to the HO kit and 3.375 pulley. I reinstalled the liner now because I was tired of looking at the half painted underside of my hood that Ford was too cheap to paint.. After 6 months and acouple thousand miles, there are no rubbing issues.

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post #7 of 9 (permalink) Old 04-21-2010
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Not quite finished with whipple install (waiting for parts) and I fit checked the hood and found it makes solid contact with underhood insulation blanket. Anybody here had this problem?

Yeah...when my belt broke!
post #8 of 9 (permalink) Old 04-21-2010
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I had that problem when the blower was installed. I cut a small section on the blanket where it was hitting, and thought that would be enough. I then saw where it was contacting the hood above where I cut the small section out. Lower engine mounts? I didn't want to do that. I put my underdrive pulleys back on and used a 3.25" pulley.
That lowered the boost some (where the engine will live longer) and has solved the clearance problem. I originally was showing 9-9.5 psi boost and now have 6.5-7 psi. I can tell the difference, but i know this level is much easier on the engine.

Frank

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post #9 of 9 (permalink) Old 04-21-2010
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That pad is in there so the car will pass DOT noise emissions, that's its only job. Yank that sucker out and throw it in the trash can

It's "Extra"

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