BigBlockMopar.com is about a Dutch guy with a Mopar car-hobby that's gone a bit out of control. At least, that's what some folks try to tell me. Oct 17, 2009 Best heads for a 440 Budget. Is there someone that specializes in porting stock mopar heads? Porting Templates.

Never heard of that exhaust. The porting templates will probably provided more than your goal of flow. Your build may or may not be able to use the additional flow.

A basic porting job will probably meet your goals of improved air flow. Bowl porting and gasket matching and valve seat comp. The porting template are not a full blow port temple, but a bit more along the same lines that I described above. MoPar made the tempates for a guide to improve the head, not maxamize it. That would require a pro that has had time to work on several sets and understand what the limits are and whats possible for the head. Also whats to far. I have used the porting templates on two sets of heads.

They work well and will keep you out of the water jackets. Expect to spend about 15-20 hours of porting to do a good job. The biggest flow restrictions on the magnum heads are in the bowls (which the temples open up alot) and the intake port pushrod pinch area. I have done port molds of the magnum (and W2) heads and it becomes obvious where the problems are.

I have also cut up a magnum head and the porting templates do a good job at safely maximizing the bowls. Be very careful at the pushrod pinch area.

There is not alot of cast iron there to cut.

This will be the first set of heads that I have ported. I am a little worried about taking away to much material or removing it in the wrong location. I was going to just clean them up for now, remove any casting flash and gasket match the intake port. I have read that I shouldn't touch the floor of the intake port and that I shouldn't gasket match the exhaust port, if this is done flow is usually reduced.

I would appreciate any tips. Or is there any machine shops around Reading, PA that can do a good job porting these? If this is the very first set of heads that you've ever attempted to do any port work on I would sugest this. In stead of useing carbide cutting tools which cut very fast get yourself some stones.

Shiva Puranam Pdf In Tamil. They do not cut fast at all and they make a bigger mess, but after a few hours you will get the feel of it and then you can switch to the cutters. Demon seed is right. Get the porting templates. If you use them you'll wind up with a decent set of heads. They are very easy to use and there are many peopel who have used them with good results. Do you intend to install oversize valves? I did up a set for the 1st.

Time, They still had the stock sized valves & flowed 268/198, Having said that, don't exspenct this to be easy, You need a steady hand & alot of patiants, A good size compressor, an inside mic., a few good bits & sanding rolls & a control speed air tool, The templets are fine as a 'guide' but you'll need to go way past them for decent #s. To make the job much easier i'd just have them cut for the larger valves, this will take alot of the material out for you, just let the machinest know what your wanting to do & he can go deeper (in the bowl) with the cutter, here are other key areas for best results, just be 'VERY' careful between the exhaust ports, thats where the water jackets are, If you don't feel like you want to tackle this, just invest in some aluminums & be done, exspect to invest a good 22-25 hrs. In them, Yes that much time.