Opinion of heads?
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Been reading the forums for a long time, and been using the search tonight to read up more about heads. First off I'm just looking for a good streetable car thats fun to drive on the road and makes good power(400 rwhp). I've allready picked out the headers and have them, Kooks 1 3/4 SS with ORY. Pretty much set on a custom cam of 226/226 .575/.575 112 with XE ramps. Next thing I need is heads. Judging my cam numbers I'm thinking either a plain 5.7 stage 1 or 5.3/5.7 stage1.5/2's would suit my needs well since I wont be running alot of lift. After reading many threads and looking at flow #'s and the costs of the various heads I'm leaning towards TEA. Either thier 5.7 stage 1's or 5.3 stage 1.5's. I thought I'd read somewhere about some hand finishing they can do at an extra cost that I could use to help the mid range lift numbers that would work well with my cam? Opinions or other options? Idea's of possible power numbers I could have?
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By custom I mean something that wont be hard on springs, give decent numbers with stock heads or ported. Trying to stay within that range and the Stage 1.5 5.3's look like a good match. Just want opinions from more experienced.
JasonG
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the Stage 2 5.3L heads are a good choice. give us a call if you want and we can talk about your setup and help you choose a cam based on your heads flow numbers once you have the heads flow data.
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I will be going with the Absolute Stage 2.5 heads soon after much research. They are the best performance for the $$. Though the prices seem to range all over, you can pick them up for 1400, just look for the deals.
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give us a call i would like to see you go with a set of our 5.3 1.5 heads. that sounds like a good choice for your set up. I guess you have been doing your homework...
BTW I think it is a good idea to go with a decent cam and a mild set of heads to acheive your goals for a street car... rather than going with a larger cam taking a chance that you will sacrafice drivability.
BTW I think it is a good idea to go with a decent cam and a mild set of heads to acheive your goals for a street car... rather than going with a larger cam taking a chance that you will sacrafice drivability.
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TEA can do you up a set of 5.7 heads no problem. I would get a stage 1.5 5.7 head.That way you get the advantage of a lightly larger intake valve. The xe lobe 226 cam should work well with that head. I ran the same head with an xe lobe 228 cam and it worked very well.
I know when I was up there last weekend Brian was showing me a very promising port on a 5.7 head. Flowed killer numbers on a 3.9 bore. He was going to digitize this head sometime next week. So it could fit nicly with your plans.Call Brent @ TEA and he will hook you up. (Brian is at Sema)
I know when I was up there last weekend Brian was showing me a very promising port on a 5.7 head. Flowed killer numbers on a 3.9 bore. He was going to digitize this head sometime next week. So it could fit nicly with your plans.Call Brent @ TEA and he will hook you up. (Brian is at Sema)
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Thanks for the words folks.
H82BBad - You reply peaks my interest the most. Of course an off the shelf head would be best costwise, but if I can spend a little more money and get some crazy flow in the mid lift area for a mild cam like I'm thinking I should make crazy power under the curve which is what I really want since it's a street car. Any idea of what flow these new heads might get up to .575 lift? I might be the test mule for some of these if they are in my price range, same as the normal 1.5 5.7's? Again thanks for the info.
JasonG
H82BBad - You reply peaks my interest the most. Of course an off the shelf head would be best costwise, but if I can spend a little more money and get some crazy flow in the mid lift area for a mild cam like I'm thinking I should make crazy power under the curve which is what I really want since it's a street car. Any idea of what flow these new heads might get up to .575 lift? I might be the test mule for some of these if they are in my price range, same as the normal 1.5 5.7's? Again thanks for the info.
JasonG
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Jason the reason Brian was excited about that particular port was a customer no longer had to spend extra money on a set of hybrid cores (5.3's or 6.0 or ls6) so they could get great performance for the dollar. Give him a shout next week. I am sure you will not be disapointed.
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Of course 5.7 heads would be best for me because my cores that get taken off my car are gonna be that too. lol Sounds good, maybe I can talk him into letting my car be a good test mule. Interested in doing everything this month or next if possible. Thanks again.
JasonG
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