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Larger throttle body/plenum spacer: worth it?

jhawk

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Hi guys

I have a VT Ecotec. Will be running a cold air box setup of sorts, Pacemaker headers and custom 2.25" exhaust.

Just wondering if Mace Engineering (MACE ENGINEERING GROUP) has a good rep, and whether the following mods are worth it:

Enlarged throttle-body
Plenum Spacer
Manifold Insulator

It's actually mostly the larger throttle body I'm after, but I'm wondering if I were to get that, whether it would be worth getting the other two manifold bits as well, or whether the whole lot is really just a complete waste of $$$?

cheers heaps
 

DUK13Y

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I haven't got any of their products but have been following them closely as I'm semi-inclined to get some myself and from what I've read about them, they do give a noticeable improvement in torque and lets you climb the revs a bit faster.
 

Tony.

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Sorry to change the subject, but have you actually got the 2 1/4 exhaust fitted yet? I have been interested in hearing how one sounds for quite some time now!
 

jhawk

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Na exhaust isn't fitted yet... being in NZ I won't be running a cat, so I'm not sure it will be a very good example as something to listen to.
 

greenacc

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no cat lol. what fuel do you use then ? I'm also interested in the spacers. If they work its a great way to get more torque without more fuel
 

jhawk

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Uh maybe I meant 2.5 lol. I haven't sorted it yet.

Back OT, has anyone used this stuff, doesn it make a worthy difference?
 

one_and_only2004

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I installed one on my friends ute. The throttle body is a bit of a psycological mod because more air is able to go in at the lower throttle positions so it gives you a fake feeling of power - if you get one you'll notice that between 70-100% fully open your acceleration will be the same, because the car doesn't have the lungs to suck in any more air.
Having said that, when he got the heads ported and polished to match the throttle body there was a definate improvement.
 
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