Welding up a 3400 exhaust port

[SappySE107]

I sold the set of heads I did like this and the customer made 260 whp so I guess it didn't kill anything. Want to do it again for an A-B test but I think this is a decent comparison to what GM did to the LX9 3500 exhaust ports.

First, Stock 3400 exhaust.


Welded and cleaned up with a grinder.



And the results