They had a use with 'hot' carb engines.

No use on FI engines.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's

Tom wrote:
>
> Has anyone had any experience with throttle body spacers and what do you
> think of them?