NoPistons -Mazda Rx7 & Rx8 Rotary Forum

NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   Single Turbo Discussion (https://www.nopistons.com/single-turbo-discussion-13/)
-   -   Another Twin Turbo (https://www.nopistons.com/single-turbo-discussion-13/another-twin-turbo-52715/)

DuMaurier 7 09-12-2005 10:45 AM

http://www.rx7club.com/showthread.php?p=47...d=1#post4762041

DUB 09-12-2005 02:36 PM

BOOOOOOO! on the cross board reference.

DuMaurier 7 09-12-2005 03:31 PM

[quote name='DUB' date='Sep 12 2005, 11:36 AM']BOOOOOOO! on the cross board reference.

[snapback]757746[/snapback]

[/quote]



HeHeHE https://www.nopistons.com/forums/pub...1047683785.gif ..., so what ... , should I upload your own pics on this forum ???.......

DuMaurier 7 09-12-2005 03:46 PM

More ........... https://www.nopistons.com/forums/pub...#>/biggrin.png

DuMaurier 7 09-12-2005 03:50 PM

Here ya go ........... https://www.nopistons.com/forums/pub...#>/biggrin.png

FikseRxSeven 09-12-2005 06:58 PM

thats one busy enginebay

rowtareh 09-12-2005 09:09 PM

no kidding. who lot going on there. but it looks GREAT!

rfreeman27 09-19-2005 10:41 PM

looks good. And I thought mine was busy https://www.nopistons.com/forums/pub...IR#>/smile.png

1Revvin7 09-22-2005 05:55 PM

Any closer pictures, and details about the intake manifold setup? You've got me curious...

DuMaurier 7 09-23-2005 10:03 PM


Originally Posted by 1Revvin7' post='761581' date='Sep 22 2005, 02:55 PM

Any closer pictures, and details about the intake manifold setup? You've got me curious...



The pictures always say it better ......... , my TB has just four injevtor holes though.

1Revvin7 09-24-2005 12:56 PM

I just have never seen that " hat " piece before. What are the specs on the turbine section of your turbos?

teknics 09-24-2005 04:40 PM

used a couple of bend angles i wouldnt really think are beneficial but it did look like they were necessary due to engine bay constraints.



kevin.

rfreeman27 09-25-2005 08:38 PM

dude, invest in a grinder and dress thoes welds before you paint the pipes, thoes beads are huge https://www.nopistons.com/forums/pub...IR#>/smile.png

NaughtyFD 09-26-2005 09:00 AM


Originally Posted by rfreeman27' post='762749' date='Sep 25 2005, 05:38 PM

dude, invest in a grinder and dress thoes welds before you paint the pipes, thoes beads are huge https://www.nopistons.com/forums/pub...IR#>/smile.png





I was thinking the SAME thing

DuMaurier 7 09-26-2005 10:23 AM


Originally Posted by rfreeman27' post='762749' date='Sep 25 2005, 05:38 PM

dude, invest in a grinder and dress thoes welds before you paint the pipes, thoes beads are huge https://www.nopistons.com/forums/pub...IR#>/smile.png





The pipes are aluminum , so the beads are a bit thicker than with steel , but I am not too interested in the aesthetics for now , I am concentrating on geting her finished and bask on the road.

DuMaurier 7 09-26-2005 10:29 AM


Originally Posted by teknics' post='762460' date='Sep 24 2005, 01:40 PM

used a couple of bend angles i wouldnt really think are beneficial but it did look like they were necessary due to engine bay constraints.



kevin.



All the bends were necessary to get the piping to fit , its 3" I.D. aluminum pipe , that were used to make large radiused bends , there wouldn't be ANY flow loss or pressure related problems what so ever.

jspecracer7 09-28-2005 05:29 AM

I have a feeling that with TWO turbo's, he won't have a problem with forcing air into the motor, regardless of having bents that are not "beneficial".

DuMaurier 7 10-30-2005 02:31 PM

Heres an update ,.... I got her running and and rented an Autronic WB for a day , and did some tuning so that I'd be able to drive her for the break in without ANY problems . I got a few cells in the lower rpm sites tuned , when I checked back the data logs , I saw that the engine speed never went over 5000 RPMs , throttle opening never went over 30% and boost pressure was 15 lbs !!! , and this is from rolling in 3rd gear , (I was having some problems getting all the lower engine speed sites tuned, since my initial map was too far off !, after the Autronic did some tuning I was then able to sort it out ) , I had to change the gears early until I get up to 3rd gear cause it was bucking real bad . The turbos boosted REALLY well , I wasn't able to really scrutinize any of my datalogs so I cant say exactly I begin to see + manifold pressure but I know it begins to build way early , now for the SHITTY part ... , my friggin , OS Giken Twin plate clutch is slipping !!!! , I know I'm not making ALL that power yet , I suspect some oil got on it from a leaky input shaft seal ! , so now I have to go back in there and change it !!!

rfreeman27 10-30-2005 06:06 PM

So what did you pay for thoes turbos each?

sweet7 10-31-2005 08:31 AM

Impressive, cant wait for a dyno run or even some vids!

GreyGT-C 10-31-2005 09:01 AM

thats one nutty ass looking engine bay dude.





I like it.

DuMaurier 7 10-31-2005 11:12 AM


Originally Posted by rfreeman27' post='774067' date='Oct 30 2005, 04:06 PM

So what did you pay for thoes turbos each?





I got them for about $1050 each .

13BTNOS 10-31-2005 05:35 PM

Who did the PPorts and what was the cost if you don't mind me asking?

RONIN FC 11-01-2005 10:59 AM

Im curious to know how that thing is gonna act. It seems like its gonna be bad ass.

DuMaurier 7 11-01-2005 09:29 PM


Originally Posted by 13BTNOS' post='774321' date='Oct 31 2005, 03:35 PM

Who did the PPorts and what was the cost if you don't mind me asking?



All the engine work was done by a local racer / engine builder , the PP's cost about $200 dollars including machine shop work.

DuMaurier 7 11-01-2005 09:35 PM


Originally Posted by RONIN FC' post='774483' date='Nov 1 2005, 08:59 AM

Im curious to know how that thing is gonna act. It seems like its gonna be bad ass.



So AM I , so AM I !! https://www.nopistons.com/forums/pub...IR#>/smile.png , I know it will be bad ass as you said , 'cause the raw power and acceleration I felt when I took it to 10 PSI was unlike anything I ever experienced and I've sat in a few fast cars in my time , It was even stronger than the half bridge and large single I had before https://www.nopistons.com/forums/pub...#>/BURNOUT.gif , and this is all happening before 5000 rpm , way before the pps start to work !! https://www.nopistons.com/forums/pub...>/rolleyes.gif

RONIN FC 11-02-2005 10:55 AM


Originally Posted by DuMaurier 7' post='774698' date='Nov 1 2005, 10:35 PM



and this is all happening before 5000 rpm , way before the pps start to work !! https://www.nopistons.com/forums/pub...>/rolleyes.gif

Those PPs are workin as soon as you get boost, but I know what your sayin.

RONIN FC 11-03-2005 09:47 AM

Did the primary injectors and rail fit in the stock location with that manifold? I know it wont clear with the RB manifolds.

DuMaurier 7 11-07-2005 02:52 PM

Yep they fit with out any problems , but I'm using the KG parts ,top feed primary rail though.


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