NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Single Turbo Discussion (https://www.nopistons.com/single-turbo-discussion-13/)
-   -   Dual Wastegates? (https://www.nopistons.com/single-turbo-discussion-13/dual-wastegates-24991/)

epion2985 09-18-2003 04:56 PM

are these dueal wastegates? If so is there a point to having two?





https://www.nopistons.com/forums/upl...1063918268.jpg

jspecracer7 09-18-2003 05:01 PM

lmfao. That's dual BOV(blow off Valves) Wastegates connect to the exhaust manifold between the engine and the turbo.

epion2985 09-18-2003 05:02 PM

or are those blow of valves.... https://www.nopistons.com/forums/pub...1047683358.gif *feels like an idiot*

epion2985 09-18-2003 05:04 PM

damn you jspecracer7 ^^ you posted a second before I did..... I though they were blow off valves but... yeah I need to shut up.



is there any point in having dual bov's?

Dramon_Killer 09-18-2003 05:09 PM

Dun think so. Seems pretty pointless to me.

TheCamel 09-18-2003 06:32 PM

Depends on the CFM of the turbo, I have seen the makings of twin Greddy Type R BOV's on someone CYM FD 20b project with a T-76 on it, but I can't say who it is yet :P

TYSON 09-18-2003 06:32 PM

1 Attachment(s)
This is dual wastegates https://www.nopistons.com/forums/pub...#>/biggrin.png

DuMaurier 7 09-18-2003 07:54 PM

I use dual Tial HP 35 mm wastegates and one BOV , I may go yo dual BOV,s also. https://www.nopistons.com/forums/pub...#>/biggrin.png

epion2985 09-18-2003 08:01 PM

is there any point to 2 wastegates? why not just get 1 good one, will certainly be cheaper.

DuMaurier 7 09-18-2003 08:13 PM

Reasons for dual wastegates are :

1 For me both valves were cheaper than one large one.

2 Because of the size of my turbo I "designed" my set up for the quickest spool , so I did a custom tubular header with 2" id runners, and a wastegate for each runner , so as to avoid exhaust pulses interacting and WEAKENING each other.

3 They will out flow one large one , so I should be able to use them for any turbo in the future.

4 they just look F@##kin BAD ASS !!!! https://www.nopistons.com/forums/pub...#>/biggrin.png https://www.nopistons.com/forums/pub...IR#>/wacko.png


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