Moparts on the Web - Main Index. OE BB heads, but its the first. OE, a competition valve job, and then a competition valve job with the bowls blended. VJ and blend bowls. How To A Install Performance Porting Template Kit. Up until about six months ago, the absolute best deal in the automotive aftermarket had to be bare Magnum head castings. Discussion in 'The Hokey Ass Message Board' started by pincher, Feb 13, 2010. Thats one advantage that big block Mopar guys have is the porting templates from Direct Connection. Quick question for you head-porting guys: I am looking at buying a set of head porting templates from Mopar Performance for big block chrysler heads. My only concern is that the kit is intended for stock valve sizes (2.08/1.74. I would like to beg, borrow, buy a set of the mopar performance magnum head porting templates. Any help locating a set is much appreciated. MOPAR CYLINDER HEAD PORTING TEMPLATES COMPILED 23 JANUARY 2016 B/RB Pages 2-3: Instructions Page 4: Templates LA Pages 5-8: Instructions Page 9: Templates MAGNUM Page 10-12: Instructions Page 13-14. I ported 2 sets of 516 heads and they flow very good with 2.140 int. What are your favorite airflow formulas? How does porting a four valve head differ from a two valve? The biggest head porting mistakes you've seen? Retailing for less than $1. They’re more expensive now, but a close second in terms of hot deals on hard parts is the fully assembled Magnum head assembly. The Magnum heads are about the best production factory small- block castings to ever come out of Chrysler, but as any hot- rodder knows, there’s always room for improvement. We obtained a set of bare castings (before the price hike) and ordered a Mopar Performance Porting Template package to clean up the bowls. Using Mp Porting Templates To Get The Most Out Of Magnum Heads. Up until about six months ago, the absolute best deal in the automotive aftermarket had to be bare Magnum head castings. Retailing for less than $100 a piece. According to the kit’s instructions, the templates are designed to work with the Magnum’s stock 5/1. The instructions state that the estimated time to complete the porting process is 1. Magnum (heads) with the same valve sizes, with even bigger gains possible on the exhaust side.” We didn’t do a Steve Dulcich- esque before- and- after flow bench comparison on these heads, but that information wasn’t what we were after. Our intentions are to show that a beginner on a budget, with the right tools, can take a good factory design and make it more efficient. As we’ve shown in the past, expert use of a grinder and a flow bench will probably yield better results over the porting template kit. However, not too many enthusiasts have a flow bench out in the garage. But with a good grinder, a selection of grinding burrs, cartridge rolls, and some time, you won’t have to settle for out- of- the- box performance. The modified heads won’t flow like a Pro Stocker, but they’ll be a whole lot better than if you hadn’t touched them at all. Sources. Mopar Performance Porting Template Kit. Visit your local Mopar Performance Dealer, or check our advertisers for a licensed Mopar Performance distributor.
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