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DIY Turbo Discussion greddy on a 1.8? homebrew kit?

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Old 12-22-2006, 03:03 AM   #21
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I've been told the ETD isn't that great a manifold anyway no matter how good it looks. As well as that WG being on a single runner instead of in the collector like it should be. Some people like it but no matter how pretty it is you could spend your money elsewhere.
GET THE TURBO ON THE CAR ALREADY. Once you do get it on there and start driving it like you should be you won't give a damn what your manifold looks like but you will know you're car is way the hell faster than it was and you don't want anymore downtime. If you already have your manifold and a collasal 3" downpipe ready to go on then what the hell are you waiting on. Go burn off your first set of tires and get some stickier rubber so you don't kill yourself.
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Old 12-22-2006, 03:09 AM   #22
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wait a sec, you're only 20 and you're married? I'd say stick with the log and use the money for tuning or a standalone or any of the 1000's of other fixes you'll need when you get the car "running" with the turbo.
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Old 12-22-2006, 12:52 PM   #23
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I wouldnt run an ETD manifold. WG running off the cylinder #4 causes issues with boost creep. I would stay away from it. Its also just mild steel w/ high temp paint so it will also look like **** in about 6 months.
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Old 12-22-2006, 01:07 PM   #24
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Yeah I wasn't sure if I should say something about that for fear of sounding stoopid, but the single-cylinder WG does seem like a weak design.
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Old 12-22-2006, 01:24 PM   #25
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Alrite fine you guys win, I knew the WG placement wasn't the best either, gonna go press in the miata bushings today and prolly install diff,axles,ppf and wheels tom. Keep ya updated,


-Dean
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Old 12-22-2006, 01:36 PM   #26
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i dont have boost creep and it still looks like new after over a year and a half.
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Old 12-22-2006, 02:11 PM   #27
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I'd stay with the manifold you made. Looks good.
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Old 12-22-2006, 02:22 PM   #28
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+1 Homebrew FTW
much cooler than store bought

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I'd stay with the manifold you made. Looks good.
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Old 12-22-2006, 03:57 PM   #29
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i dont have boost creep and it still looks like new after over a year and a half.
They used to ceramic coat them, but anymore they just paint them and that paint will chip. I have seen a couple more recent ETD mani's that lose their luster quickly. I just remember Andrew ( MX592R ) on miata.net has creep issues with that manifold because of the wastegate placement.
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Old 12-22-2006, 05:47 PM   #30
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BEST SOLUTION:

Sell me all your turbo stuff for 5 dollars and then get the ETD manifold.
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Old 12-22-2006, 06:19 PM   #31
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I checked ETD's site. They make a 1.8L manifold for the FWD cars but I dont see the one for the miata anymore. All i see is a shorty manifold which is not the nice tubular equal length one that you guys are talking about.
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Old 12-22-2006, 07:57 PM   #32
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Its SS not the mild steel one, and its the same as the fwd design I belive but thats not an issue anymore, I'll keep what I got and hopefully get most of it on tom.
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Old 12-22-2006, 07:59 PM   #33
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Quote:
Originally Posted by getsidewaysd1 View Post
BEST SOLUTION:

Sell me all your turbo stuff for 5 dollars and then get the ETD manifold.
lol 5 canadian or american?
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Old 12-22-2006, 10:31 PM   #34
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Originally Posted by AndyFloyd View Post
I wouldnt run an ETD manifold. WG running off the cylinder #4 causes issues with boost creep. I would stay away from it. Its also just mild steel w/ high temp paint so it will also look like **** in about 6 months.

The wastegate location wasn't a problem regarding boost creep for me, but rather the bigger issue became the stress on the piping from the way the joint is constructed, my cheaper SS Ghettochrome manifold is a rip off of that manifold and it failed right there, and not through the weld, which tells me that the nature of the design may be problematic.

I think MX592's issues were more related to the wastegate than the location. I could make rock steady boost at 10 PSI. No creep.

Mark
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Old 12-22-2006, 10:35 PM   #35
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I like the log one better lol.
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Old 12-23-2006, 03:18 AM   #36
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i bet ya the etd cracks before your log does.
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Old 12-23-2006, 10:51 AM   #37
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but it's like .125 weld els. and mine's mild steel so it may be less likely to crack.
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Old 12-23-2006, 12:01 PM   #38
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proly true. but since it's already bought and paid for, i think he should put the $$$ toward something like a 6 speed. you know the 5 speed is gonna crap out anywhere north of 220hp.
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Old 12-23-2006, 12:10 PM   #39
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proly true. but since it's already bought and paid for, i think he should put the $$$ toward something like a 6 speed. you know the 5 speed is gonna crap out anywhere north of 220hp.
Depends on his driving habits really. Besides, 5 spds are cheap.

I'd go with EM. The OP isn't at the point where he'll see the benefits of the ETD manifold. And especially the BEGI intake manifold.

Frank
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Old 12-23-2006, 01:58 PM   #40
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Thanks for the help guys, as for the tranny, well my driving habits are most likely pretty hard, I did devour 2 1.6 diffs in no time, so I'm guessing I might drive alittle aggressively. And 5speeds may b cheap but up here I can't see it being easy to get one, or them being cheap for that matter lol. I'll start looking into the 6speed just for fun.

-Dean
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