Chewy's NA8C SR20DET
I dont think i introduced myself when i first became a member back in 08'.
My name is Duy (yui if you cant pronounce it) or you can just call me Chewy. I've owned mazda's since i've had my license. My last car as you all have known was a BG SP Astina. I have recently sold my car and have moved onto another Mazda... with a twist. Although the car itself does not look awesome or what not. i will spend my time cleaning it up and getting it to look better than what it currently is. This is the beginning of a long project. Enjoy. http://i4.photobucket.com/albums/y11...5/P1020927.jpg http://i4.photobucket.com/albums/y11...5/P1020928.jpg http://i4.photobucket.com/albums/y11...5/P1020929.jpg http://i4.photobucket.com/albums/y11...5/P1020932.jpg http://i4.photobucket.com/albums/y11...5/P1020930.jpg No fancy interior so i didnt take any photos of it. |
Well you've got your work cut out for your self... Good luck
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cool! few q's... is that silver thing after the turbo on the exhaust side a BOV? never really understood turbos in their entirety... also silicone hoses on the intake side of things, i thought that was a no-no in a turbo (cause they can suck in or something...idk?)
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Looks more like an external wastegate. IMHO I'd sell the blacktop and put a BP back into it.
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looks good, and silicone hoses can be used where ever, when you turbo a car you should get the better silicone hoses for the pure fact that they have my layers making them stronger and wont compress under the air etc etc, most turbo cars I've seen use silicone, metal piping is a lot better because it won't compress.
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yeah. external wastegate. has a screamer pipe that im gonna knock off. i dont mind the setup atm. boost kicks in around 3800.
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Nice project, the SR shocked me a bit though!! :eek:
So what is planned for it, a lot of MS parts I would imagine? :D:D |
Not a bad project car, don't really like CA18's but if it's going strong why mess with it.
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Looks like a CA18 intake manifold, but it shows how much I know about Nissans. :(
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good lookin car man :D what box r u running and what diff :D |
Looks like the standard IM to me, the CA18 IM is a lot more squared off:
http://img411.imageshack.us/img411/1192/img0531eb.jpg |
.....haha it's an SR20DET with stock IM. Beaut motor & certainly a worthy upgrade. You certainly wouldn't go putting the BP back in. Even the BPT would be underpowered compared to this engine unless you modified it & you really wouldn't. My guess is it uses the DET trans so it wouldn't be worth the trouble.
Great project Chewy & my only problem I have is the wierd-ass external w/gate set up. I mean wtf is that about? How the hell does it work coming off the turbo hotside :confused: It should be plumbed from off of the zorst manifold! Are you able to explain the reason this is set up like this cause it's doing my head in :o:o It's almost like the modifier was trying to replicate workings of an internal wastegate? Why would you wantbthe gate coming off the snail shell? I just don't get it at all....... |
Nice. 2nd MX I've seen with a SR20 fitted.
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i dont really see the issue.. its still on the exhaust manifold side. as it is still relieving the pressure for the turbo. yes it is a little bit up the turbin housing but it still should work fin in my eyes... |
yeah, no doubt it works Mat but it's efficiency would be compromised. The turbo should be allowed to force the spent gases out into the manifold whereby an external gate is used, free of interference, then the wastegate can discharge gases either back into the zorst system or straight to atmosphere. It seems to work more like an internal gate?
I'm stumped why would you do it unless it was a space-saving exercise? Just curious to know that's all........ I seen alot of custom set ups, in particular, specific manifold design which can be complex & even seen twin external screamers made to go into a single wastegate where most use 2 seperate pipes & gates. Also, do folk realise how hard a steel the turbine exhaust housings are? Extremely hard steel to cut & drill! Chewy, again, I luv the project man :cool: |
Nice! and the SR is unexpected.
So it's a Eunos Roadster not a Aus-delivered MX-5 (judging from the silver)? |
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looks pretty sweet and a interesting project really looking forward t see how this one turns out
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yeah its a eunos roadster. the extra pipe on the turbo is a screamer pipe, dumps exhaust gasses into the atmosphere. highly illegal and yes i will remove it haha. the engine is from a series 2 S14 with VTI cams as you can see from the dip in the back of the engine. non VTI heads are completely flat.
this will be a fun project. and yes marc i will be putting plenty of MS parts on it :P |
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