Throttle Body Spacer
JK Super Freak
Joined: Sep 2007
Posts: 1,623
Likes: 5
From: Lawrenceville, NJ
There is no possible way a throttle body spacer can help improve performance on a sequential multiport fuel injected engine.
ALL of the claims are false when applied to the JK...it should be against the law to advertise this crap.
If we had carborators, maybe, but, the physics just doesn't work on our engines....they can show all of the dyno runs on OTHER engines they want to, and or cherry pick data between runs to make it LOOK like there's a benefit...but, EVERYTHING a TBS does that's SUPPOSED to help, WILL NOT WORK ON A JK'S ENGINE.
So - its a scam. Do not even THINK about trying it.
If some one says they tried one and it did anything good, they're WRONG...mistaken, fooled by the psychological need to not be duped, etc...it didn't, period, because its physically IMPOSSIBLE for it to help.
Does that help?
ALL of the claims are false when applied to the JK...it should be against the law to advertise this crap.
If we had carborators, maybe, but, the physics just doesn't work on our engines....they can show all of the dyno runs on OTHER engines they want to, and or cherry pick data between runs to make it LOOK like there's a benefit...but, EVERYTHING a TBS does that's SUPPOSED to help, WILL NOT WORK ON A JK'S ENGINE.
So - its a scam. Do not even THINK about trying it.
If some one says they tried one and it did anything good, they're WRONG...mistaken, fooled by the psychological need to not be duped, etc...it didn't, period, because its physically IMPOSSIBLE for it to help.
Does that help?
That other guy hates TBS'ers, huh? 
JK Enthusiast
Joined: Feb 2007
Posts: 348
Likes: 0
From: Michigan
Someone will be along shortly to claim the dash mpg readout claimed they got 2 mpg from one. 
I had a TJ and a long time friend of mine also had a TJ. He had a popular CAI, header, and a TB spacer. I had only removed the plastic stock air box snorkel. Our setups were otherwise almost perfectly apples to apples, same gears, tire diameter, engine, transmission, ...
When we raced (0-60 mph) repeatedly he only pulled about 1/4 of a TJ length on me. When we traveled we would fill up and he would use just a tiny bit more gas than me at every fill up (not enough to matter, like .1 gallon). His WAS faster, but man was it close.
It all added up to no appreciable difference in my opinion. YMMV.
I had a TJ and a long time friend of mine also had a TJ. He had a popular CAI, header, and a TB spacer. I had only removed the plastic stock air box snorkel. Our setups were otherwise almost perfectly apples to apples, same gears, tire diameter, engine, transmission, ...
When we raced (0-60 mph) repeatedly he only pulled about 1/4 of a TJ length on me. When we traveled we would fill up and he would use just a tiny bit more gas than me at every fill up (not enough to matter, like .1 gallon). His WAS faster, but man was it close.
It all added up to no appreciable difference in my opinion. YMMV.
