Aug 17, 2015, 12:57 PM
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Who has used a throttle body spacer on their Hemi?
Registered User
Joined: Dec 2014
Posts: 11
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they work
Since you talk about myths.....in 2006 I bought a performance package from Moes Performance for my 2006 1500 Hemi Ram , who any Dodge guy knows this company. The kit was dyno tested and came with a K-N CAI, a Superchips Tuner and a helix TBS. The dyno sheet showed an increase of 45-52 HP with the total kit and varying HP increases with just parts of the kit. I would think that Moes would not have included the TBS if it didn't help make Hp. So whatever everyone wants to believe is OK with me. Personally my TBS didn't whistle at all and most mistake the CAI sounds for this supposed whistle. I will tell you this the difference with the kit compared to the truck without the kit was very noticeable, but what part if any was the part of having a TBS I will never know, but I surely loved the whole package
Veteran
Joined: Mar 2009
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But I guess I was asking if anyone has left theirs on for service instead of taking it off... With no garage doing this in 14 degrees could bit a chore..
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Joined: Jun 2012
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From: Woodbury Tn
It is physically impossible for a Throttle Body Spacer to give any increase in HP or MPG on a 3rd of 4th gen Hemi. Any increase in power or MPG you THINK you are feeling/seeing is purely in your head. This issue is compounded when you add a TBS with other mods at the same time. Usually programmers. The actual power/MPG increase is from the programmer, not the TBS. And if you buy a "performance package" from a known company that includes a Programmer, TBS and CAI" don't assume that "it must work because why else would they throw it in the package?" The simple reason is they are trying to give you "more" for your money. "More" in this case being more in the box you just bought!
Car and truck companies spend MILLIONS on engineering an engine to give the most HP and best MPG they can because that is what sells vehicles. If a simple TBS would add HP AND lower MPG in any noticeable amount don't you think they would be adding them at the factory? It's total nonsense, like fuel line magnets. Modern day snake oil. I challenge anyone to post dyno runs before and after a TBS install showing a HP increase.
If you understand how port injection works it would be easily understandable as to why. Throttle Body spacers (and carb spacers) did actually have an impact on power on Throttle Body Injection (TBI) and Carb equipped vehicles. It did this by increasing fuel atomization and smoothing airflow as well as keeping the throttle body cool (and in turn the injectors or carb jets/bowls) since earlier vehicles had metal intake manifolds which would soak up heat from the engine. 3rd and 4th Gen Ram's have plastic intake manifolds which don't transmit anywhere near as much heat to the intake charge and the injectors are right at the ports, NOT at the Throttle body. So their is no improvement on the the fuel air mixture by moving the TB a few inches forward. Their are SOME situations where adding a spacer on a modern vehicle will increase the air volume in the intake manifold to work with a specific application such as on a custom build. But NOT on a stock vehicle. Their are plenty of online articles explaining them in detail. Great article here: http://www.ehow.com/info_12185215_ad...dy-spacer.html
Also, unless you have Headers, high flow exhaust, larger Throttle body and a tuner, a "CAI" (Unless it's a TRUE COLD air Intake (Drawing air through the hood, under the bumper or the fenderwell) will offer zero increase in HP or MPG as well. The Dodge Hemi 4th Gens factory intake flows more air then a stock engine can use making a high flow setup completely worthless.
Car and truck companies spend MILLIONS on engineering an engine to give the most HP and best MPG they can because that is what sells vehicles. If a simple TBS would add HP AND lower MPG in any noticeable amount don't you think they would be adding them at the factory? It's total nonsense, like fuel line magnets. Modern day snake oil. I challenge anyone to post dyno runs before and after a TBS install showing a HP increase.
If you understand how port injection works it would be easily understandable as to why. Throttle Body spacers (and carb spacers) did actually have an impact on power on Throttle Body Injection (TBI) and Carb equipped vehicles. It did this by increasing fuel atomization and smoothing airflow as well as keeping the throttle body cool (and in turn the injectors or carb jets/bowls) since earlier vehicles had metal intake manifolds which would soak up heat from the engine. 3rd and 4th Gen Ram's have plastic intake manifolds which don't transmit anywhere near as much heat to the intake charge and the injectors are right at the ports, NOT at the Throttle body. So their is no improvement on the the fuel air mixture by moving the TB a few inches forward. Their are SOME situations where adding a spacer on a modern vehicle will increase the air volume in the intake manifold to work with a specific application such as on a custom build. But NOT on a stock vehicle. Their are plenty of online articles explaining them in detail. Great article here: http://www.ehow.com/info_12185215_ad...dy-spacer.html
Also, unless you have Headers, high flow exhaust, larger Throttle body and a tuner, a "CAI" (Unless it's a TRUE COLD air Intake (Drawing air through the hood, under the bumper or the fenderwell) will offer zero increase in HP or MPG as well. The Dodge Hemi 4th Gens factory intake flows more air then a stock engine can use making a high flow setup completely worthless.
I said believe what you want, not that the TBS gave me 20 horsepower. But as expected from our forum phycisist NV290 we have another of his lengthy statements which are his opinion and I really could care less what it is. My statement was that Moes sold a kit with TBS included, that made HP. Not that without the TBS it wouldn't have. Just remember guys you are just common folk just like me and what you think and what may be actually could be two completely different worlds, since none of you or me are by any means experts on induction. If you have a problem with my post complain to Moes and I'm sure they will tell you their opinion on it since I'm sure they DO have an induction specialist on their payroll and not just a wannabe forum induction specialist that runs his mouth. But it was worth the post just to watch NV in action again. What a tool
Last edited by Old Man with a hemi; Jan 31, 2015 at 03:14 PM.
All Star
Joined: Apr 2008
Posts: 777
Likes: 1
From: NH
I would absolutely remove any aftermarket Throttle Body or Spacer before bringing your truck into a dealer for type of service. They both fall into the realm of engine modifications that would likely void your warranty if they were looking for a reason to.
I said believe what you want, not that the TBS gave me 20 horsepower. But as expected from our forum phycisist NV290 we have another of his lengthy statements which are his opinion and I really could care less what it is. My statement was that Moes sold a kit with TBS included, that made HP. Not that without the TBS it wouldn't have. Just remember guys you are just common folk just like me and what you think and what may be actually could be two completely different worlds, since none of you or me are by any means experts on induction. If you have a problem Ywith my post complain to Moes and I'm sure they will tell you their opinion on it since I'm sure they DO have an induction specialist on their payroll and not just a wannabe forum induction specialist that runs his mouth. But it was worth the post just to watch NV in action again. What a tool
Veteran
Joined: Jan 2010
Posts: 254
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From: Alberta, Canada
I bought my 87mm from Moes and they use factory throttle bodies that are bored out. I've had one for 4yrs and never had any issues with warranty. It looks completely stock with Chryslers logo on it and everything. Unless they take the intake tube off and look real close chances are they won't notice.
All Star
Joined: Apr 2008
Posts: 777
Likes: 1
From: NH
I bought my 87mm from Moes and they use factory throttle bodies that are bored out. I've had one for 4yrs and never had any issues with warranty. It looks completely stock with Chryslers logo on it and everything. Unless they take the intake tube off and look real close chances are they won't notice.
On the subject of throttle bodies on these trucks, i was considering adding one on my 06' considering how simple they are to swap out. I had used them (high flow throttle bodies) many times in the past when i was into street and drag racing. GM TPI's and LT1's as well as friends with Mustangs. The thing was, we ALWAYS had lots of other mods like headers, ported intakes, cams, etc. I inquired with an engine builder who told me what i had suspected. If your truck is stock (No porting, cam, headers and super high flow exhaust such as true duals, high flow cats/no cats, etc) then you will see little to no HP increase due to simple physics. If you let more air into your engine you have to make modifications to let more air (in this case, exhaust) out. Otherwise you will never get the full potential of the increased air flow.
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Joined: Jun 2012
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From: Woodbury Tn
I see we have more than one induction specialist on this forum. I don't know if they work or not but I sure wouldn't advise anyone on their effectiveness unless I was qualified to do so, and so far I haven't seen anyone on here with the credentials to do that, just a lot of armchair experts with opinions stated as fact. And we all know what they say about opinions
All Star
Joined: Apr 2008
Posts: 777
Likes: 1
From: NH
I see we have more than one induction specialist on this forum. I don't know if they work or not but I sure wouldn't advise anyone on their effectiveness unless I was qualified to do so, and so far I haven't seen anyone on here with the credentials to do that, just a lot of armchair experts with opinions stated as fact. And we all know what they say about opinions
You don't need to be "an induction specialist" to comment on inductions. By your logic nobody on this site should be commenting on ANYTHING about Dodge trucks unless they work for Dodge and are classified as "Specialists" in the field they are commenting on. Let's hear you argue that?
You don't need to be a "specialist" to understand the simple physics of airflow in an internal combustion engine. But as for my "qualifications" I have owned 3 Ram's from 3 generations as well as a 300C. I have built half a dozen small block engines in my life (and used a Superflow Flowbench) Owned 11 vehicles and extensively wrenched 7 vehicles (4 trucks and 3 sports cars) where i did everything from cam swaps, injector swaps, head porting, exhausts, etc as well as countless friends and families cars plus worked in two different car shops, towed cars (including transporting NASCAR Supertrucks between a team in NY and NC engine shops) trained as a Diesel Mechanic (EMD's used in Locomotives which are built in both Supercharged or Turbocharged). I have also run cars on Chassis Dyno's as well so i am well aware of the concept of actual HP gains and how they are measured. (The difference between advertising and reality). I also have run the drag strip dozens of times (LI Dragway, Atco, Englishtown). So yes, i am certainly qualified to comment with my OPINION on a product. Certainly one where all the websites that are not the company SELLING the product in question also claim that things like TBS's offer little to nothing on an otherwise stock truck.
I'm sorry you are overly sensitive to the fact that people may have a differing opinion then you. Instead of simply accepting the fact that someone else might not just blindly agree with you, you resort to name calling and personal attacks. That speaks volumes as to your character.