Re: TBI spacer? 89 4.3

drallan@[EMAIL PROTECTED]
 wrote:
> 
> Ok, So I need to replace the gasket between my TBI and the engine. It
> has a small leak and is sucking air in, which gives a terrible hiss as
> well as a high idle.(found this out when I was getting my cat looked
> at) I have done some research and the jury still seems to be mixed on
> TBI spacers. I figured since I am going to be taking off the TBI
> anyways to replace the gasket I might as well throw on a spacer (they
> seem to be relatively inexpensive and I like to tinker) if it will
> improve performance or mileage. I want opinions from ppl who have
> personally tried one, on a Gen 1 4.3 s10 or blazer. Please only ppl
> with personal experience. I don't want "in theory it should do this"
> or "all those products are scams" unless you have actually tried a
> spacer on a 4.3 vin z TBI.  I am not trying to be rude, but I have
> found most replies to these type of questions are from ppl who have
> not actually tried the product themselves. If you did have a positive
> experience please let me know what brand, and if there were any xtra
> parts or hints needed in installation
> Thank you

I've not tried them, but it seems to me that the idea of preventing or
reducing heat transfer up into the intake makes sense for a carburetor
(va**** lock and all), but has little or no relevance with fuel
injection.