![]() ![]() It was also appealing that I could order this brand new and wouldn’t have to deal with private sellers on eBay or Marketplace. This image courtesy of LS1Tech sums it up well:Īs you see in a near apples to apples comparison the Dorman LS2 is right below the LS6 in terms of flow. More research suggested in terms of performance it was on par with or just below the LS6 intake. This corrects the flow issues that the original LS2 faced. It’s my understanding that the Dorman LS2 is actually a FAST lower shell and LS6 upper shell. After doing a little research though it was clear that wasn’t necessarily the case. Initially I had dismissed the Dorman LS2 intake manifold as a cheap OEM ripoff of the LS2 intake. Here’s where things started to get really interesting. Photo courtesy of the Summit Racing website CorvetteForum: intake manifold LS2 vs LS6.CorvetteForum: LS2 vs LS6 vs FAST Intake manifolds.There’s a lot of info out there that the LS2 just doesn’t flow as well as the LS6. ![]() For just a bit more money the LS6 exceeds the LS2. While it would probably do the job fine enough it just doesn’t move the needle enough in terms of cost versus performance. The LS2 intake was similar to the LS1 for me. Given that the prices on eBay right now has the LS1 at $200-400 and the LS6 at like $300-600 the cost versus performance is negligible. Basically flat bottom is LS6 and “v” bottom is LS1.īased on some LS1Tech posts it sounds like the LS6 intake is good for 10-15hp over the LS1. This image is a good example from this LS1Tech post. I did quickly have to learn the difference between them visually for shopping purposes. I never really considered the LS1 intake because I know the cost differences versus the LS6 are minor but the gains are pretty good over an LS1. This forum post by BlackBird on LS1Tech also proved extremely helpful in making an informed decision. The article “ 20 LS1 Intake Manifolds: Tested!” by Hot Rod was invaluable for uncovering some raw stats for some of the manifold options. ![]() So with our parameters (cost, performance, drivability, fitment, looks) and our baseline (LS6) set, it was time to scour the internet for some information. But how much weaker? If it’s say $100 cheaper is 3 horsepower worth saving $100? (Just making those numbers up). For example, yes, the LS1 intake is weaker. And that ended up being the LS6 because it was almost unanimously the gold standard for a cheap yet performant intake option (there’s that consensus thing again). During the search though I found I needed to come up with a baseline for these comparisons. I went a lot of different ways during my search which lasted about a week or two. This isn’t a perfect science by any means – your mileage will of course vary when picking an intake for your car. Because of this, I had to do a lot of research and corroboration on LS1Tech and other websites to create a consensus. Dyno results for an LS1 with 862 heads will be different than an LS6 with 799 heads for example. those variables can drastically change things. But then when you factor in things like injectors, heads, etc. ![]() Sure you can find on the forums where someone ran an LS1 intake on the dyno and posted the results. It was also difficult to create an apples to apples scenario. But what is the difference in performance versus the difference in cost? And an LS6 is going to outperform an LS1. For instance a FAST is obviously going to outperform an LS6. To make sure I wasn’t overspending I wanted to get a good idea of the differences between each option. Ultimately I ended up considering these intakes: So really it came down to cost, performance, and drivability. Everything I considered would easily fit under the Camaro’s hood and with the other engine accessories. Hopefully they’re useful to someone else! Things to considerįor the purpose of selecting an intake I feel like it came down to cost, performance, drivability, and fitment. There are so many facts, opinions and everything in between that I wanted to collect my notes here. Recently I went down the rabbit hole of selecting a new intake manifold for my Camaro, since I’m getting rid of Fitech. ![]()
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