LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Throttle Body Spacer?????

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Old Apr 20, 2011 | 03:21 PM
  #1  
Bamaboy's Avatar
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From: Fort Campbell
Throttle Body Spacer?????

So I was told that if I add a throttle body spacer to my lt1 that it will give me some horses.....If so what size spacer (how much thickness) and where do I order one.Thanks for the help
Old Apr 20, 2011 | 03:25 PM
  #2  
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Re: Throttle Body Spacer?????

Where did you hear this? What are you driving? There is little to no room on a 4th gen f-body to even put one.
Old Apr 20, 2011 | 03:25 PM
  #3  
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Re: Throttle Body Spacer?????

Bad info. I don't know of anyone who uses a spacer. All it will do is screw up the throttle cable.
Old Apr 20, 2011 | 03:30 PM
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Re: Throttle Body Spacer?????

Are you sure they did not say Air Foil?The only "spacer"I have heard of is a N2o plate..
Old Apr 20, 2011 | 05:26 PM
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Re: Throttle Body Spacer?????

Throttle body spacer do add more horses, but you won't feel the diffrence. And you have too modify the throttle cable, And there is hardley any room for it! not worth it!
Old Apr 20, 2011 | 06:16 PM
  #6  
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Re: Throttle Body Spacer?????

Only tb spacer worth hp is the N2o spacer, but you have to shoot the N2o to feel the gain.
Old Apr 20, 2011 | 08:27 PM
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Re: Throttle Body Spacer?????

Name:  Engine2.jpg
Views: 1501
Size:  93.9 KB

Name:  HoganSpacer.jpg
Views: 2244
Size:  72.5 KB

member here
Old Apr 20, 2011 | 09:27 PM
  #8  
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Re: Throttle Body Spacer?????

Thanks I didnt know for sure...This is def a money saving website...
Old Apr 21, 2011 | 08:31 AM
  #9  
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Re: Throttle Body Spacer?????

Originally Posted by slowride94z




member here
That's my motor and my spacer. The background on the use of that accessory was two-fold:

1. The Hogan manifold as delivered did not provide adequate space for the use of the stock throttle linkage mechanism and required moving the throttle body forward about two inches so that everything would clear. When I built that motor in 2002, the NHRA rules required a box-style plenum and expressly barred us from using a single-plane manifold with an elbow. More recently, NHRA has recanted that restriction and permitted a single-plane/elbow. This car, with this manifold, even though it is now almost 10 years old is still very competitive. I sold it about three years ago.

2. The motor is an LT1 solid roller motor built to meet NHRA Super Stock rules and it operates in the 8000+ RPM range. It seemed that there would be no downside to expanding the volume of the plenum since plenum volume at high RPM could conceivably be at a premium with a stone-stock throttle body. We machined the spacer in multiple units so that we could add or subtract length if we wanted.

Because of the clearance problems with the throttle linkage, the engine was never run without the spacer. It didn't seem to hurt to have it there. In 2004, the car set the NHRA record in SS/IA at 9.74, 135.80 with the motor in the picture that was built in my backyard.

c
Old Apr 21, 2011 | 09:37 AM
  #10  
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Re: Throttle Body Spacer?????

Very Cool,learn something new every day..
Old Apr 21, 2011 | 10:18 AM
  #11  
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Re: Throttle Body Spacer?????

Very impressive....This is by far the best forum site I have ever been a part of..
Old Apr 21, 2011 | 07:21 PM
  #12  
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Re: Throttle Body Spacer?????

Originally Posted by Bamaboy
Very impressive....This is by far the best forum site I have ever been a part of..

here here.


ft campbell. been there and done that

and cnorton still lurking I see hope you don't mine me reusing your pictures
Old Apr 21, 2011 | 07:45 PM
  #13  
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Re: Throttle Body Spacer?????

Originally Posted by slowride94z
cnorton still lurking I see hope you don't mine me reusing your pictures
No problem 94z. Most frequently, my stuff is on the outer fringe of practicality for normal people but if, at some point, it helps others with their thinking, it's all worthwhile. My Dad told me once that it appeared as though the purpose of my life was to merely serve as a warning to others! If hearing your own father lay that one on you that doesn't provide reason for reflection, there's no hope.

The real heroes around here are Injuneer and Shoebox. They're the ones who have the practical insights and keep the discussions between the fences.

c
Old Aug 14, 2011 | 08:39 AM
  #14  
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Re: Throttle Body Spacer?????

There's literly no room with the lt1! I think I put one on a v6 4th gen but had too modify the throttle cable. not worth it!
Old Aug 14, 2011 | 08:54 AM
  #15  
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Re: Throttle Body Spacer?????

[QUOTE=Nickw059;6760969]There's literly no room with the lt1! [QUOTE]

Wish I'd known that before I did it.

Originally Posted by Nickw059
not worth it!
Thanks for your opinion. Think I'll keep the NHRA National Record certificate just the same.

c



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