What's the deal with TBI spacers? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 10-31-2000, 09:40 AM
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What\'s the deal with TBI spacers?

Good morning,
I'm kinda new to this performance stuff. I'm just trying to squeeze more power out of my 96 Blazer 4x4 w/ 4.3L vortek without going broke. I have put in a K n' N and will be installing Taylor 8mm wire and Accel cap/rotor this weekend (they are actually cheaper than stock, so why not?!)
I keep hearing about TBI spacers, but I can't find a good explanation on how or why they work! Can you?
Thanks,
Snafoo

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post #2 of (permalink) Old 10-31-2000, 01:39 PM
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Re: What\'s the deal with TBI spacers?

They work because they increase manifold density ane allow better atomization. GM designs manifolds with comprimise to underhood space and good power. but A spacer is better.

post #3 of (permalink) Old 10-31-2000, 01:55 PM
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Re: What\'s the deal with TBI spacers?

There was a good article on TBI spacers a few months ago in Truckin (I think...) magazine. The added space helps to increase air speed entering the intake which leads to the increased air density that Nitrous mentioned. More air=more combustion=more HP. I think Poweraid claims 8-15 HP and better fuel economy. I'd be surprised if the gains were really that much but who knows. I actually ordered one myself last week, expecting it any day now-also have a '96 s-10 4.3L 4x4.

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