L98 manifold measurment
Thread Starter
Burning Brakes
Joined: May 2004
Posts: 1,230
Likes: 27
From: Athens Ohio
L98 manifold measurment
Does anyone happen to know the exit size on the stock manifold? I am talking about the area where the Y pipe attaches. The inside diameter would be most helpfull. I am putting an LT4 system on my 86 and need to know if the LT4 cats with bolt up with out modification.
Thread Starter
Burning Brakes
Joined: May 2004
Posts: 1,230
Likes: 27
From: Athens Ohio
