Quote:
Originally Posted by BonzoHansen
What is the difference between these & the ones he has, the steam holes? How much does that cost to do, and how much does it cost to return the other ones (shipping, restock fee, etc.)?
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Steam holes for 1, (the going rate up here is $175 to have them drilled and it is an "Oh well" if they crack them), and he got the updated castings from summit, they don't flow as well. The pace heads should be the stock GM one's with steam holes already drilled and higher lift springs added, and they cost less then what he has. even if it costs him $40 to return the other ones (which summit is normally pretty good at working with you) he would still have another money in his pocket and a good head that is up for the job and brand new. Only thing I don't know is his cam lift, I think the springs on this head are good to .550". If you decide to go to the 350 engine Pace also has 2 high flow Vortec heads to choose from, although they cost more. If you are rebuilding the bottom end I, and this is just me, would de-stroke the 400 and make it a 377....but that's me....