[Dark_5.0]

Just get them milled and I think they will be a substantial improvement over the stock E7's.

The only down side to these heads is the loss of compression from the 69cc chambers. Stock heads have 64CC chambers.

These heads have small intake runners so they will maintane good air velocity and with the large valves they should make more power than the E7's.

I had over 600 bux in my ported polished and milled E7's when I had them and out ran cars with edelbrock and AFR heads all the time.

Its all in the set-up.

Just mill the heads to up the compression back to stock. It cost about 20 bux per head.