[nuf4noww--off]

Has anyone tried the exhaust valve spacers for firecats? If so, is there any midrange gain like they claim? Thanks

 

[bigblock2stroke]

Only on carbed engines.

 

[orange F7 snopro]

i put them in my sled and there is a difference

 

[greenF-6]

<div class='quotetop'>QUOTE (bigblock2stroke @ Jan 12 2007, 03:26 PM) <{POST_SNAPBACK}></div>

Only on carbed engines.[/b]

Can someone explain why the reed spacers can't go on an EFI.