never use only drop once!
Yeah but what is your spoon trying to do. What advantage to you have to thermally isolate it? It's just to provide protection against heat soak for slightly denser air, and in terms of spacers, the idea is just to create a little additional velocity and volume so the engine doesn't choke at high speed. I don't know how useful the additional volume is, really I haven't looked at the numbers (if there are any) at what the high RPM VE is of our engine vs what the flow numbers of the manifold are. If the manifold can flow more than the heads at redline, then an increase in manifold volume isn't going to do much unless you can get it to the point of ramming.Think about it, put a spoon into a frying pan. The spoon is gona get hot fast. Now put a sponge between the frying pan and spoon (assuming the sponge doesnt burn).
That's interesting. To be quite honest I would check for leaks to see if you're getting un-metered air into your intake. The extra space really shouldn't be making that big of an impact. I know there's a couple ports on the throttle body spacer. If they're not plugged, you'd be pulling air that's not metered by your MAFS into your intake plenum which could throw off fueling in closed loop operation. If I'm not mistaken, MAF and o2 are used for closed and tps/map/load for open.So after a half a tank getting 14.2 avg mpg and the check engine light coming on twice (left bank lean) it must need a tune for a spacer.... FYI for all you DIY'ers... Traveling for work all week but will pull the TBS this next weekend.... I'm fine with getting 12-15 mpg for performance but not because of a spacer....
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However, the fact that our passenger runners are terribly out of balance makes me wonder if that extra bit of space is causing the drivers side runners to get a little too much air, and the averaged fuel is not enough. I think left side is the better flowing runners.
If that's the case, then Cancer could very well be right, and I concede that, but I'm still not convinced. I haven't heard of any other issues regarding a throttlebody or manifold spacer. And plenty of people have it installed. The fact that you're not tuned and running an intake, spacers, and an exhaust may just mean your ECU can no longer compensate for what you've done to the car.
just a little info on intake plenums Intake Manifolds: From Mild to Wild: Engine Builder
Mmmm, I think you have me confused with matik. I didn't say anything about speaking Korean. I said I PMed BTRcc to clarify what they told Cancer...the end result saying "they don't know" and "several mods were done since the canned tune which could account for changes in fuel requirements"...i.e. typical CYA/we don't know, we don't care, we're not going to speculate.I think we can all come to our own conclusions without your help, its only people like you that feel like posts on a forum are like scripture from the bible.
I lol'd at the comment "i asked the btr tuner in korean" so it must be true.
I already said my issue is the way cancer puts things out there: A -> B. and doesn't back it with anything. All that does is breed misinformation. The whole point being, if it turns out that a spacer causes a 30% drop in MPG then obviously it's a waste of money for the 3 horsepower it may get you. But if that's just because cancer, by his own admission, drives the car city and track only...well then it gets much harder to claim any loss in MPG is due to a 1" plastic ring considering when i lived in the city I got anywhere from 16-21 mpg per tank and you've now scared people off a potentially helpful mod. The same goes for saying "my butt dyno reports 43rwhp gain". bullshit. I wouldn't expect anyone to dyno before and after a spacer, but that kind of baseless conjecture is not useful at best, and potentially harmful at worst.
If that bothers you, I'm okay with that.:dunno: