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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

1.6 ETD vs BEGI vs custom

Old Jan 18, 2010 | 12:12 PM
  #81  
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Originally Posted by levnubhin
How do you guys think this will perform against the FM/Begi cast mani's that a lot of us run?
A lot better.
Old Jan 18, 2010 | 12:14 PM
  #82  
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Originally Posted by TurboTim
A lot better.

I'll assume that means it will perform better everywhere.
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Old Jan 18, 2010 | 12:14 PM
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^ do you already have numbers of your current setup? and is wayne building you the one in the pic above or one like his?
Old Jan 18, 2010 | 12:16 PM
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No previous numbers. It was a very very halfassed setup from the previous owner with alot of BS parts. He's building one like posted above
Old Jan 18, 2010 | 12:36 PM
  #85  
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Originally Posted by levnubhin
I'll assume that means it will perform better everywhere.
I will guess that it will perform better everywhere.
Old Jan 18, 2010 | 01:57 PM
  #86  
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How are you going to compare them then? Logs of spool at least?

He's going to have fun with that one, it's a bit harder than the one he made for himself. He'll spend as much time getting things fitted as a ramhorn/absurdflow.

I think it'll make more power than begi/fm, but I'd like to see how much. Lets say a ramhorn makes 40-50 more hp in a 300hp setup over a standard log like the taco taco (from h-t thread). A begi directed pulse log already flows better than a taco taco, so then where does the tubular shorty fall in?
Old Jan 18, 2010 | 02:07 PM
  #87  
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Originally Posted by ARTech
How are you going to compare them then? Logs of spool at least?

He's going to have fun with that one, it's a bit harder than the one he made for himself. He'll spend as much time getting things fitted as a ramhorn/absurdflow.

I think it'll make more power than begi/fm, but I'd like to see how much. Lets say a ramhorn makes 40-50 more hp in a 300hp setup over a standard log like the taco taco (from h-t thread). A begi directed pulse log already flows better than a taco taco, so then where does the tubular shorty fall in?

Well, I've got an OOOOOOLD Begi mani, I don't think it's direct pulses. If I get one of those mani's I will do before and after 4th gear pulls and I'll take it to the same dyno that I just went to.
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Old Jan 18, 2010 | 02:15 PM
  #88  
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Originally Posted by ARTech
He's going to have fun with that one, it's a bit harder than the one he made for himself. He'll spend as much time getting things fitted as a ramhorn/absurdflow.
I haven't made this one yet because it seems like it would be a little harder than my standard manifold (just cause I've made enough of the standard that it's getting a little easier) and flow worse, in my opinion. So for me to make it doesn't make much sense. It'll be cool to see it done though.

I think it'll make more power than begi/fm, but I'd like to see how much. Lets say a ramhorn makes 40-50 more hp in a 300hp setup over a standard log like the taco taco (from h-t thread). A begi directed pulse log already flows better than a taco taco, so then where does the tubular shorty fall in?
I think this would flow better than my tubular BEGI replacement, which already made more power and spooled sooner on my car than a BEGI S3 on a closely similar spec'ed car (jondoe's).
Old Jan 18, 2010 | 03:19 PM
  #89  
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If you guys want that manifold its going to cost more than I quoted you. I thought you guys wanted the one like mine:
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Old Jan 18, 2010 | 03:35 PM
  #90  
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No, I'm interested in this one............

http://img.photobucket.com/albums/v6...maniblend2.jpg
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Old Jan 18, 2010 | 03:37 PM
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PM'd you.
Old Jan 18, 2010 | 04:38 PM
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Its definitely more difficult than Tims design i can tell you that much.

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The hardest part will be making the #2 and #3 merge with #1 and #4.
Old Jan 18, 2010 | 04:41 PM
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Is that the one he's making now? Not off to a bad start
Old Jan 18, 2010 | 04:46 PM
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I still think it'll be easier merging 2 and 3 than coping 2 and 3 into 1 and 4 like I did on mine.
Old Jan 18, 2010 | 06:17 PM
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Originally Posted by wayne_curr
I still think it'll be easier merging 2 and 3 than coping 2 and 3 into 1 and 4 like I did on mine.
I dont think so, marking and cutting a hole from a straight piece is alot easier than coping the whole 90 * bend with 2 different radii and a straight section in there.
Old Jan 18, 2010 | 11:50 PM
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Originally Posted by TurboTim
I think this would flow better than my tubular BEGI replacement, which already made more power and spooled sooner on my car than a BEGI S3 on a closely similar spec'ed car (jondoe's).
I think we've talked about this before...same size DP or bigger?
Old Jan 19, 2010 | 08:03 AM
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Originally Posted by ARTech
I think we've talked about this before...same size DP or bigger?
I ran my 3" bellmouth DP with my ol' 3" exhaust/metal core cat. He ran BEGI's stainless SGDP which went up to 3" at some point, metal core cat, and enthuza's 3" exhaust. Trying to argue the bellmouth DP is better than a SGDP is difficult but I think it could have added to the difference, not just all the manifold.
Old Jan 19, 2010 | 10:14 AM
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I don't think it was the Bellmouth vs SGDP that made a difference as much as it was the 3" vs 2.5" size difference. AFAIK begi doesn't make a 3" DP, they just flare it to 3" at the end to meet a 3" cat/exhaust.
Old Jan 19, 2010 | 10:32 AM
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I think it's 2.75 after the dump tube blends in, then goes to 3" right at the end. I don't know for sure.

Whatever.
Old Jan 19, 2010 | 11:36 AM
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From their website:

BEGi can make a downpipe that has a 3.0" outlet to the exhaust system on it. However, it will not bolt up to the stock exhaust or any stock exhaust replacement. The downpipe will outlet the turbo at 2.25" and swage up to 2.5" prior to the wastegate vent tube dump. Then the downpipe will swage to 2.75" at the flex joint and swage up to 3.0" after the flex joint. This is a customizing option and is considered a custom order. 3.0" Downpipes cannot be returned for refund or exchange. All measurements are in OD.

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