has anyone used this?
Thread Starter
TECH Resident
iTrader: (29)
Joined: Sep 2007
Posts: 778
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From: East Los Angeles CA
has anyone used this? 
TECH Enthusiast
Joined: Feb 2005
Posts: 734
Likes: 0
From: south jersey. again
i have used carb spacer's and stuff like this on my older sbc's, i havent tried anything like this on ls1. i did see an improvement or feel it, since i dont own a dyno and the fact that was 20yrs ago i had no way of actual perf gains numbers. for $40. its worth a try
