Thread: Phenolic Throttle Body Spacer [*]

This is for the installation of the Phenolic Throttle Body Spacer for the Pontiac Grand Prix. The full write-up can be found here



webracin

ya but its a nice spot to run a 35 shot to cool your intake charge

I have another one of these ready to go on. I ran one of these a long time before removing for a different mod level. I never had a coolant leak and it never warped.I believe mine was the second generation spacer though.

I now have a ZZP machine LIM from my IC days and the coolant passages are block anyway. No chance of a coolant leak.

What I want to know is how a spacer makes the blower hotter?

I got mine from PFYC. And I have NOT had one problem with mine! To answer your question about the blower heating up. It is not necessarily the heat of the blower, but the spacer helps to limit the heat temps on the TB. The barrier offers a little protection against the heat of the SC. However if you dont have one of those crossover shields that sits between the bottom of the TB and the top of the cross over pipe, its kind of a mute point.

I have both the crossover shield and the TB spacer myself. I cant give you accurate by the numbers reduction in heat, but I am SURE its less than without any of that. Will it gain those big HP gains? Probably not. But it will help in the littlest of ways. And every little bit helps

I've ran the TB spacer in the past and have had no problem with it. In fact in a couple of weeks when I do my intercooler install, I'm putting another TB spacer back on.

The crossover has a heatsheld in the stock condition. There is a TB heatshield available and they work pretty well too. I'm using one right now, however it doesn't work near as well as the TB Spacer.

http://www.zzperformance.com/downloa...acer_Study.pdf

im on the fence about it right now, but this seems to suggest its not so bad???

anything other than hear-say

Originally Posted by 04DetroitLS

ya but its a nice spot to run a 35 shot to cool your intake charge

Thats what I did but it was a 65 shot.

I still have it too, its on my old engine just sitting there with the nitrous jet still screwed into it.

I still have a throttle body spacer, but its made of billet aluminum, and is more of an adapter plate to bolt my LS1 TB onto my GenV rather than a spacer to cool things off.

Header wrap...worst thing ever invented for headers, end thread. I would never put it on my car, or anyone else's, even if its only on the cross over and nothing else.

Heat shields...talk about as big of a gimmick as the next thing.

~F~

Originally Posted by GR8racingfool

Thats what I did but it was a 65 shot.

I still have it too, its on my old engine just sitting there with the nitrous jet still screwed into it.

I still have a throttle body spacer, but its made of billet aluminum, and is more of an adapter plate to bolt my LS1 TB onto my GenV rather than a spacer to cool things off.

Header wrap...worst thing ever invented for headers, end thread. I would never put it on my car, or anyone else's, even if its only on the cross over and nothing else.

Heat shields...talk about as big of a gimmick as the next thing.

~F~

You dislike the Header wrap because of it causing headers to rust faster or what? Enlighten me Farns.

Header wrap does its job, but at a big price.

Wrapping stock manifolds, or after market headers holds in too much heat and causes them to split and crack almost every time. Ya, it keeps down under hood temps. But is it worth it to scrap a pair of headers from one of our cars? For what they cost....not worth it to me anyway.

If anything, have them coated, and call it a day.

Just my $0.02 on that.

~F~

Originally Posted by GR8racingfool

Heat shields...talk about as big of a gimmick as the next thing.

Not a gimmick depending on their application. There's a reason all the stock parts have aluminum heat shields... To protect a lot of the nearby components from the cooking radiant heat of the exhaust. If they didn't do much it would be cheaper for the manufacturer to just delete them from the design.

Similar setups are used in jet engine housings to protect sensitive equipment from radiant heat and it works well. Standing near a jet engine, with a fairly thin square of aluminum hold it in front of your face and the heat is gone.

Aluminum reflects nearly all of the infrared energy that strikes it, so it offers plenty of protection from radiant heat. Though, it does nothing in the way of stopping convection.

Originally Posted by TehGTP

http://www.zzperformance.com/downloa...acer_Study.pdf

Interesting!!!