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Old 07-08-2012, 12:05 PM   #31
George77
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That manifold won't last one month with good driving in 6 cylinder form (cut and use for a m42 will last more due to a shorter length).I know coz I had it in both forms.
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Old 07-08-2012, 06:57 PM   #32
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Quote:
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That manifold won't last one month with good driving in 6 cylinder form (cut and use for a m42 will last more due to a shorter length).I know coz I had it in both forms.
The manifold in the kit or the fellow who wants to sell me one?
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Old 07-08-2012, 08:02 PM   #33
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Quote:
Originally Posted by captain E34 View Post
The manifold in the kit or the fellow who wants to sell me one?
The manifold in the kit is the one I'm talking about,(the only one that could go on an m42 after being cut).
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Old 07-08-2012, 09:31 PM   #34
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Sooo u think i should upgrade the manifold and sell/toss the one in the kit? I have herd that they crack pretty quickly ive also herd puting release cuts on the manifold between each exhaust port helps prevent it from crAcking
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Old 07-08-2012, 09:52 PM   #35
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edit: The PRICE of the kit is greater than the value of what you'll use. Personally, I'd spend the money on a good manifold, then piece the bits together. For instance, your circumstances / desires might dictate a specific sized I/C, so then you can order it and not have to compromise.
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Old 07-08-2012, 10:16 PM   #36
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soo piecing it together would be the smarter way to go eh? are used turbos usually ok? depending on what shape its in of course.
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Old 07-08-2012, 11:39 PM   #37
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Used turbos are OK if they're the right size and have a known history or have been rebuilt. But honestly, the turbo is the "easy" part. They can be replaced so easily, grab one from ebay from a seller that has a good feedback rating and one that has detailed specifications, and you'll likely find lots for under $200.

The alternative is to get a small holset from a cummins diesel. You'll have to research, but they can be found for a good price.

Most "factory" turbos are very small, used to boost low torque motors up but not really generate huge power.

I've had great success with a cheap ebay turbo. When it dies, I'll replace it with another exactly the same unless I'm going for huge power / quicker spool.
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Old 07-09-2012, 09:28 AM   #38
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Yeeea i was looking and they can get fairly cheeep... Also dooo u know if the obx manifolds are a quality piece?
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Old 07-10-2012, 12:48 AM   #39
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Not really, no. They're a knock off still, but better than the no-name ebay.
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Old 07-10-2012, 07:49 PM   #40
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First of all you need a plan.What's your power goal,this is the first question you have to ask yourself,then you can decide if you want a top mount or bottom mount.these are the very firs questions and after these you usually start buying parts .I see already bought injectors,42 pounds are over kill for what power I think you might end up putting down on a 2.0l engine 6 cylinder.Answer these 2 questions firs and then we can go from there.
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Old 07-10-2012, 07:58 PM   #41
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75-100 hp would be my goal, i prefer bottom mount and am most likely goin with that decision, and as for the injectors i got recomended them as well as if i want to one day add some more power... Ill have the larger injecors to do so
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Old 07-10-2012, 08:11 PM   #42
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75-100 over the stock power???.If you want to go bottom then you should get the SPA manifold ,I found it on ebay for 550 shipped,it's good for close to 500 at the wheels on a s52.Or you can try the treadstone replica,it's a lot cheaper but I do not have to much information about how it performs or how long will last.
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Old 07-11-2012, 12:57 AM   #43
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I want a minimum of 50 hp gains... On low boost... Depending on the extent of what i have to do to get 75-100 ill be willing to go ahead with it. I was thinkin from the begining thicker headgasket and head bolts...
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Old 07-12-2012, 11:56 AM   #44
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I'd start with finding every available manifold, sort by price and review. Setting goals is nice, but you'll probably find you only have 2 or 3 choices to begin with.

You already have the injectors, 42# is a good number. They're not too big that you can't get a good idle... that's all that's really important (other than cost). I hope they were flow matched.

Get measurements of your engine bay area and determine if bottom or top mount will suite you more, then go from there.
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Old 07-12-2012, 01:20 PM   #45
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A lot of good suggestions in this thread. Either way your about to learn what works and what won't. Been there done DAT! Good luck!
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