Anybody entertain the idea or try a throttle body spacer on a stock engine for better performance?  Is this even possible on these engines?

I would think that it would make alittle power. My understanding is that the manifold is a poor design.

well im running 33's and on the highway if it helps out, i could use it.  And no, i havent changed gears sets yet, but i am looking into it.  Thanks for the help. 

what geas do you have now and what mods have you done to the motor?

Completely stock, but do have a K & N filter kit and a 2 1/4 inch exhaust with flow master muffler.  Stock gears (5.13's), 

UNI clamped right on the intake snorkle woke up my 8v. Much better low end, places where I would have had to stop and shift to low range can be negotiated in 1 hi now. Nice.

UNI clamped right on the intake snorkle woke up my 8v. Much better low end, places where I would have had to stop and shift to low range can be negotiated in 1 hi now. Nice.

That is to be expected, you decreased intake resistance. The UNI filter on the intake is a completely different animal from a TB spacer.


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To the TS,,, what engine are we talking about, 1.3carb, FI, 1.6 8V/16V? the spacer would have different results with each application.

Quote from: DonD on May 10, 2012, 03:26:07 PM

UNI clamped right on the intake snorkle woke up my 8v. Much better low end, places where I would have had to stop and shift to low range can be negotiated in 1 hi now. Nice.

That is to be expected, you decreased intake resistance. The UNI filter on the intake is a completely different animal from a TB spacer.


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To the TS,,, what engine are we talking about, 1.3carb, FI, 1.6 8V/16V? the spacer would have different results with each application.

I am aware of that, the poster mentioned better performance, that caught my eye.

running the 1.6  8v

I have kicked this around for years. I don't know anyone running one.. I dropped the idea when I put the v6 in.. But I do have 8v in the race truck... Could be a good R&D project.

HUTCH:  If you do try it, please let me know if there is a noticable difference. Id appreciate it.

What is great about a spacer is that you can fabricate them rather easily and cheaply. I take a gasket to my buddy who owns a CNC shop and he pops out a few in different thicknesses of Delrin in a few minutes. Then I give the spacers a try, adding-subtracting thickness of spacers to see what is felt by the butt dyno. 

What is great about a spacer is that you can fabricate them rather easily and cheaply. I take a gasket to my buddy who owns a CNC shop and he pops out a few in different thicknesses of Delrin in a few minutes. Then I give the spacers a try, adding-subtracting thickness of spacers to see what is felt by the butt dyno. 

I'll take a 1".

Talon:  can ya send me a few please

Zaggy tried one years ago, there is a write up somewhere on this forum.