Cathedral Port Vs Rectangular Port

Hey what is the big difference in the two ports? Both top performers in their respective applications, but distinctly different from one. Web how much power is the ls3 head upgrade worth over the stock cathedral port heads, and how does it compare with a set of aftermarket heads? Finally, the rectangular intake port design is on the ls3, l92, l99, l76, and ly6 engines. The raised rectangle intake port design can be found on the ls7 and lsx engines.

The raised rectangle intake port design can be found on the ls7 and lsx engines. Now we all know the rectangle port flows more, but was it necessary considering the factory power level of the ls3? Check out all our ls engine tech. I know the ls7 is rectangular and the ls1/6 is cathedral, as well as are other. By contrast, rectangular port heads were.

It comes down to where the port energy is the highest. Check out all our ls engine tech. More specifically, which one is better? Now we all know the rectangle port flows more, but was it necessary considering the factory power level of the ls3? Obviously, the difference in chamber volume would alter the static compression ratio by as much as one full point between the afr 245s and the stock 317s.

Npp aside the ls3 has a 30hp advantage obviously. I know the ls7 is rectangular and the ls1/6 is cathedral, as well as are other. How much of the power gain a ls3 has over a ls2 is due to intake port design? Web how much power is the ls3 head upgrade worth over the stock cathedral port heads, and how does it compare with a set of aftermarket heads? But performance wise, which is better?

More specifically, which one is better? Web #1 · oct 6, 2010. Web convert from cathedral to rectangular port. Web #1 · jul 8, 2010.

Web Cathedral Port Heads Were Bolted On Literally Millions Of Truck Variants, Which Included (Among Others) The 4.8L Lr4, The 5.3L Lm7, And 6.0L Lq4.

Web #1 · jul 8, 2010. The change in compression ratio can be as much as a full point or more, which can improve. How much of the power gain a ls3 has over a ls2 is due to intake port design? Web as with the cathedral port models, the rectangle port truck intakes come close to hitting the performance of the ls3, only with the same objection of looks, and like all the truck intakes, they are taller and may not fit under the hood of some cars.

Web Cathedral Port Vs Rectangle Port.

Web #1 · oct 6, 2010. But has anyone actually done the real testing to prove that one is better than another on a turbocharged gm ls engine? I posted this over on tech but figured i'd post it here for those of you that don't visit that site. Web where the two engines differ are in the cylinder head choice.

Although We All Know How Important It Is For A Camshaft To Be Matched To The Flow Rating Of The Heads, What Kind Of Roll Does Port Shape Play And Is It Reall.

Web they include information on converting from a cathedral port to a rectangular port, some thoughts on the merits of cathedral versus rectangular ports, and a bit of cylinder head theory. Finally, the rectangular intake port design is on the ls3, l92, l99, l76, and ly6 engines. Does one flow better than the other? Web the cathedral port is the most popular and can be found on the ls1, ls2, ls6, the vortec 4.8l, 5.3l, lq4, and lq9 engines.

Obviously, The Difference In Chamber Volume Would Alter The Static Compression Ratio By As Much As One Full Point Between The Afr 245S And The Stock 317S.

Check out all our ls engine tech. Web © 2024 google llc. Web how much power is the ls3 head upgrade worth over the stock cathedral port heads, and how does it compare with a set of aftermarket heads? The raised rectangle intake port design can be found on the ls7 and lsx engines.

To match the runners, this factory ls3 (pn 12610434) or an l76 manifold are the most. Does one flow better than the other? Hitting 373 cfm at.750 inch of lift, these heads are on par with many good rectangular ports while boasting much better velocity and exhaust flow. Finally, the rectangular intake port design is on the ls3, l92, l99, l76, and ly6 engines. Web they include information on converting from a cathedral port to a rectangular port, some thoughts on the merits of cathedral versus rectangular ports, and a bit of cylinder head theory.