Quote:
Originally Posted by ULTRAZLS1
Looking at my results I would say the combo is worth little to nothing...my numbers are nothing special compared to some others who didnt use the 102/102 combo.
I have ~20 rwhp over the average cam only g6x3 car and I have heads. I would think that ~20hp is all from the heads.
I honestly wouldn't waste the money if I had to do it over again. Have sc2150 port your stock TB and have another reputable place port your stock manifold if you really need to mess with it.
376 cubes just isnt enough to use a 102mm inlet NA. If you plan on doing a SC I have read that the 102 TB can be worth some very good gains...15-20hp I believe.
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I although do feel that the 102mm intake is helpful if your doing a big cam. I lost nothing down low even with a big cam which I attribute in my own mind somewhat to the intake. I have seen a few builds where they didn't have the intake manifold and lost a bit in low rpm range hp/tq wise. Overall i'd say on its worth ~10rwhp at best.