NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Single Turbo Discussion (https://www.nopistons.com/single-turbo-discussion-13/)
-   -   Replacing Exhaust Manifold (https://www.nopistons.com/single-turbo-discussion-13/replacing-exhaust-manifold-9558/)

l8t apex 12-19-2002 09:32 AM

I've seen several exhaust manifolds and most are the shape of the South Florida Sport

(its something like that) and the OBX SS. But the turbo sits high up and forward. I have a cast one that sits right next to the exhaust but they dont make them any more. HKS has one like it for $800.00. Can you guys offer some other suggestion in that same style that not up high?

vosko 12-19-2002 04:14 PM

ok now i'm jealous you have an air to water intercooler!!!!!!!



why not have a manifold custom made ?? it won't cost as much as the HKS....

93 R1 12-19-2002 06:50 PM

What turbo are you running? What kind of power? Just curious. https://www.nopistons.com/forums/pub...IR#>/dunno.gif

vosko 12-19-2002 06:53 PM

i think you need a powerFC and a datalogit box and a FJO wideband O2, 1600cc secondaries ...... you can make big power that way.....

l8t apex 12-19-2002 08:18 PM

the one you see is custom and it has problems.Who would I get the flanges and pipes from?Racing Beat? Yeh as noted in my post in Dyno section I wiil get the PFC.

Right now w/ nonported motor 320whp.run is posted in times and dyno secytion.

vosko 12-19-2002 08:23 PM

you can get 500rhwp on a stock ported engine you just need to run 20-25psi and tune it real good. i would say get it running right then port it. racing beat has nice flanges. if your good at welding its not that hard to make a manifold

l8t apex 12-19-2002 08:38 PM

whooe... well this was part cast then welded to fit.(Leaks)

Man what sucks is that this motor maybe has 4,0000 miles and the ****** oil seals are leaking!

I aint run more than 14lbs for more than a month. Also what about getting this engined pinned? I hear a lot of the technic but how/what place is it done.

By the way any of you guys seen the purto rican oil line mod in drag racing where they take oil to front by an outside line bypassing the dowl pin oil seal chamber? I saw it once but forgot how it was done but I know its when you crack a housing where the dowl is you wont loose the motor due to oil seepage/loss.

Judge Ito should know this one.


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