Speed Secrets and heads
Thread Starter
Teching In
Joined: May 2012
Posts: 21
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From: San Diego, CA
Speed Secrets and heads Speed Secrets seems to be the closest shop to me (Mount Vernon). Has anyone had work done by these guys? I wanna get my 243's built and ported.
Since I'm on the topic, I'd like another opinion. I have my set of stock LS2 heads and a set of LS6 243's with the sodium valves. One set is going on my '05 GTO. Does either one hold an advantage to porting and and modding over the other?
Since I'm on the topic, I'd like another opinion. I have my set of stock LS2 heads and a set of LS6 243's with the sodium valves. One set is going on my '05 GTO. Does either one hold an advantage to porting and and modding over the other?
