Not sure of the process term, but I was referring to the air intake only. How much does it really help on HP on the stock manifold? And is this an easy process or would it just be better to get a CAI kit. But I have asked my dealer about adding the CAI package to my new order if they will honor the warranty. But if they will not I wanted to look at other options that leave all stock parts for now.EagleAutosports said:It helps by smoothing the airflow. Yes, it helps and it should only be done on manifolds that carry only air. If it carries gas, it needs a little texture to keep it in suspension. Are you thinking of the Extrude Hone process? You can even have the heads Extrude Honed too.
EagleAutosports said:That's what I was talking about too. If you wanted it honed, you'd have to ship it to them and wait to get it back. It usually adds about 20-25 hp and really works but if it's a stock '87-'93 upper, the power drops off FAST around 5000-5200. What it does is force an abrasive dough through the ports and smooths every surface. Worth the money in my opinion.
fin1 said:I think you guys are taking two different things. The heads (aluminum) can be ported & polished but I think Radtexas is talking about the intake manifold (the black piece that sits on top the egine), which is made of plastic.
Item on the right of this pic:
http://i5.ebayimg.com/02/i/04/96/88/9e_1_b.JPG
bigcat said:i am sure that i read somewhere that the composite intake can NOT be ported, but i cannot remember why. i want to know when someone is going to make an aftermarket intake MANIFOLD for the 3V engines.
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