TBI spacers - worth the money?? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 04-29-2001, 03:06 PM
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TBI spacers - worth the money??

Just curious what the thoughts out there on the spacers. I have a 4.3l 1988 4wd s-15 jimmy. Anyone, especially with this size engine have experience?
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post #2 of (permalink) Old 04-29-2001, 10:08 PM
 
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Re: TBI spacers - worth the money??

Something like the ones made by airaid work well but only with the addition of a mass airflow filter such as k&n. Alot of the guys I know use the filter and spacer combination provided by airaid. Otherwise I dunno.
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post #3 of (permalink) Old 04-30-2001, 10:25 AM
 
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Re: TBI spacers - worth the money??

I have one, it seems to shift your powerband up...they say they give you better lower torque, but i don't know. i made my own using the gasket that goes on the botm of the TBI as a template, made out of 1" alum. i think it helped give a couple of extra hp at about 3000 RPM...

Craig

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post #4 of (permalink) Old 04-30-2001, 08:16 PM
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Re: TBI spacers - worth the money??

you are just backwords Fishy. A throttle body spacer makes more upper end HP. It is the samething as a carb spacer. It won't hurt to put it on low end wise, but ti doesn't do much to the low end either. I haven't noticed a bit of change on my truck. I have had it on for a fewmonths.

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post #5 of (permalink) Old 05-01-2001, 12:45 PM
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Re: TBI spacers - worth the money??

I have the Airaid TBI spacer and haven't really noticed much of a difference. FYI, the K&N Intake won't work with the Airaid spacer.

Tom
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post #6 of (permalink) Old 05-06-2001, 11:29 PM
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Re: TBI spacers - worth the money??

they do work, but not with my new holly tbi unit, I have one for my 89 4.3 jimmy, I will sell it to you, email me if you are interested

My truck is not rusty, that's caked on mud. Jason
post #7 of (permalink) Old 05-07-2001, 10:48 AM
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Re: TBI spacers - worth the money??

This is a familiar thread (actually, I think I've asked about these myself). The one answer that stuck was that 1996 and newer vortek engines would not benefit from a spacer. The intake was modified in 96 which pumped the vortek from 165 to 195 HP. I will spend my money on something else....probably beer.

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