Yeah, I'm on the fence about the spacers too. Having run two 4bbls with a tunnel ram on a 390 BB (yeah it was a [email protected]) I know that lengthening the intake can help, but I still doubt any gains by just raising the TBI. For the money I'd buy a K&N filter first.
Anyone who owns a throttle body spacer??
Ok I've heard good things and bad things (mostly bad) about TBS. I mean, do they work at all. I've heard that on the f150's people saw no gain at all, but are these GM's different. I was just checking a sport truck mag website and they said that there beneficial when you have an aftermarket intake (which I will). So is anyone on here running one and what do you think?? Thanks
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Throttle body spacers show little to no gain but what they do is make a loud hissing sound under the hood.
Well I def. don't want a loud hissing sound.
He's right spacers work like crazy with a carb but do sqwat for a TBI
No gains, I just ditched my spacer. But everyone is right, they do whistle. And it changes pitch with RPM, sounds like a little turbo spooling up.
On carb and TBI, there is a benefiet... or any wet intake system. But dry intakes like whats on modern EFI where the fuel injector is located down by the intake valve. Spacers don't work.
On carb and TBI, there is a benefiet... or any wet intake system. But dry intakes like whats on modern EFI where the fuel injector is located down by the intake valve. Spacers don't work.
I was considering dropping one on my 91 Chevy 350 TBI motor. I have been reading good and bad things about them and have been holding off on it. I'm in it more for the better fuel mileage, but if I can stomp into it and get more power, I ain't gonna complain :glasses:
my friend has a 95 z71 with a tbs, he said it was a big waste of money
I have one in my 1991 Blazer (pictured) and didn't notice any gain or noise. I guess if you add it to other stuff to help performance it will do something.
Mine just adds color under the hood.:lol:
Mine just adds color under the hood.:lol:
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