Carb Throttle Body

VAFOX · Mar 30, 2012

Anyone have any experience with this:

http://www.diyautotune.com/catalog/four-barrel-4150-throttle-body-1215-cfm-p-512.html

http://www.fuelairspark.com/ezefi/default.asp

stykthyn · Mar 30, 2012

Looks like a typical tbi unit. Basically an electronic carb.

VAFOX · Mar 30, 2012

So is it worth it? What is the benefit? I was thinking of eventually trying to go back to EFI on my 88'. Seems like this may be easier if it has the same effect. I've never seen/heard of this, so trying to learn more.

stykthyn · Mar 30, 2012

GM used them heavily on their truck series up till about 95. If you want to go back to Efi I would seriously consider finding the correct 5.0 parts. With some digging I am sure you can get everything you need for less than that. Especially since the kit does not look like it comes with the injectors.

VAFOX · Mar 30, 2012

Well, I've started collecting EFI parts. The car is an 88' and the computer and main harness was pulled. In addition, some of the harness in the engine has been cut up.

So far I have:

A9L computer
89' harness main harness
explorer throttle body
mass air sensor and meter

The engine has some mods, so I don't want the stock intake. Plus I need a bunch of sensors, etc. that will add up, and maybe a fuel pump. Seems like the link above would be easier. I am concerned I'll get into the stock conversion and learn more wiring is screwed up or run into some other issue. Those parts will add up quickly...

stykthyn · Mar 30, 2012

Does the above kit come with the wiring and Ecu? If not it would be cheaper to find a donor car and swap the harnesses and ecu over. Buy new sensors. Then sell the rest to get a better intake.

VAFOX · Mar 30, 2012

I hear ya...thanks for the feedback.

90lxcoupe · Mar 30, 2012

Those two parts are not comparable to each other. The DIY autotune part is just a throttle body, you would put that on a victor jr style intake with fuel injector bungs on it. The fast EZ EFI is like others said, an all inclusive package with injectors built in. Thats not the ideal setup, but i do think that the 4 barrel throttle bodies on a spider intake with injector bungs is the way to go on more serious NA applications.

stykthyn · Mar 30, 2012

Those spider setups move some serious air

VAFOX · Mar 30, 2012

do you have any links on the spider setup. i probably shouln't have included the ezefi link...i'd go stock first

90lxcoupe · Mar 30, 2012

http://www.summitracing.com/parts/EDL-29285/

Saying they flow serious air is also a very vague statement. They all flow similar ammounts of air, but runner length and air speed are also huge factors in the manifold performance.

87-t-top-gt · Mar 30, 2012

I had 2 s10 lowriders, an 89 rs camaro and a 91 full size pickup with TBI...stupid easy to work on but theres a reason it was upgraded to TPI-MAF!

stykthyn · Mar 31, 2012

I was thinking more in terms of velocity.

Carb Throttle Body

VAFOX

Member

stykthyn

I want to measure mine. It doesn't look that tall.

VAFOX

Member

stykthyn

I want to measure mine. It doesn't look that tall.

VAFOX

Member

stykthyn

I want to measure mine. It doesn't look that tall.

VAFOX

Member

90lxcoupe

stykthyn

I want to measure mine. It doesn't look that tall.

VAFOX

Member

90lxcoupe

87-t-top-gt

Member

stykthyn

I want to measure mine. It doesn't look that tall.

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Carb Throttle Body

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I want to measure mine. It doesn't look that tall.

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I want to measure mine. It doesn't look that tall.

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I want to measure mine. It doesn't look that tall.

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I want to measure mine. It doesn't look that tall.

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I want to measure mine. It doesn't look that tall.

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