NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Rotary Engine Building, Porting & Swaps (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/)
-   -   Half-bridge Turbo, Have Questions (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/half-bridge-turbo-have-questions-39221/)

RX2MUR 05-20-2004 07:07 PM

I have searched a lot on this topic, and have not gotten a straight answer yet. Thanks to the people that have helped me before, but I am looking for someone with experience with this port and fuel setup. I am going to build my 87 TII engine, and I am going to go non turbo first to allow break in of the engine, and I can always add the turbo and such later on in a month or so when I have more money. What I am running is a full fuel system into a holley 650 double pumper (4150) and I want to maybe run a half-bridgeport, then run a turbo in another month or so. My question is is this going to be really hard to tune that holley for a half-bridge turbo? I know I can tune it for the half-bridge, but is it going to be too difficult when I add the turbo? If this is going to be too hard, I will stick with a large streetport per the Judge. https://www.nopistons.com/forums/pub...#>/biggrin.png This is all going in my gutted rx2. Thanks guys.

Comitatus 05-20-2004 07:10 PM

Check with Brian Cain (BDC)



He has good experience with Half Bridges and Turbo Setups. He tunes Haltechs for them as well...



I believe His car has over 400 whp right now....

boost_creep 05-20-2004 07:13 PM

TRU' DAT. BDC is the man.

RX2MUR 05-20-2004 07:25 PM

Yeah he is, but like I said, he tunes the standalones, I am using a holley. I asked him before, and I think I have a difficult setup.

BDC 05-20-2004 08:59 PM


Originally Posted by RX2MUR' date='May 20 2004, 04:25 PM
Yeah he is, but like I said, he tunes the standalones, I am using a holley. I asked him before, and I think I have a difficult setup.

Egads, got me https://www.nopistons.com/forums/pub...DIR#>/wink.png That's experimental surgery as far as I'm concerned but I bet somebody's done it. Bounce this one off Ito; he may have done something like this in the past.



B

j9fd3s 05-20-2004 09:13 PM

direckfreak had a holley and a turbo on his 1st gen for a while, its possible. finding someone who knows how to tune a carb is the trick

RX2MUR 05-20-2004 09:16 PM

I know a large streetport is all that I need, but I like to be different, I get so many people that I meet everyday that ask me so many questions about the rotary, I am trying to reel in a new crowd and corrupt their piston driven minds. I would like to wait for Ito's templates but I am impatient, and like I said, I like to do things out of the ordinary.

TheCamel 05-20-2004 10:03 PM

It all depends on how you set up the turbo to work with the car, you need to know if it will be a blow through design, or if you will be using a suction setup, different answers for each...

Comitatus 05-21-2004 01:53 PM

Check out this thread....



HERE



Scroll down...



The guy's form name is "barely street legal rotary12a"



Maybe check with him, to see how he's doing with his setup...

treceb 05-21-2004 02:11 PM

u dont necessarily have to check with rotary guys, u can try and find if there are any boards/webpages that have info on turboed cars using a holley carb. im sure there quiet a few out there. besides its all a matter of jetting, so ull prolly have a rich low end and a healthy top end. also check out your local barnes and nobles for books on holleys im sure they have a section on turbocharging them.


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