Getting my 90 vert rebuilt. He is going to streetport the engine, custom airbox intake, TII fuel injectors, Bonez Cat bypass pipe. Guy at shop says that will give me 220hp. My little bro. thinks thats crazy. I think he is just afraid that i'm going to spank his V-6 Camaro...What can I expect? is 220hp about right? what about adding a turbo or dare I say supercharger? I just came into some money so I might be able to swing it...oh yeah anyone use replace fan with electric fan? worth it?

 

don't use the TII injectors it'll run like crap.... maybe 2 in the secondarys if you really need it... but you'll need a S-afc to tune it.

you are getting headers and full exhuast too?

 

Im rebuilding mine starting tomorrow and streetporting, removing actuators, and adding custom PA sleeves. 220 hp at the flywheel is possible, but im not too familar with power adding of engien modifications.

 

You deff dont need to use TII injectors....mine has stock with a S-AFC and I should have about 200+ to the wheels and mine runs rich.
Wont know about the power until I dyno it Soon!

Nick

P.S. Good Luck!

 

nick, what are your mods?

 

Don't need the TII injectors.. not even close.
An N/A putting out 220 hp needs a lot less fuel than a turbo running 220 hp.

As for getting 220 fwhp, not too sure about that with just a street port, cat replacement pipe, and an intake filter.
More like 190 at the crank.
You would also need way more stuff....

OK- for 220..... (incl. the already mentioned mods)
port the intake manifold
ditch the air pump
smooth the 6p sleeves
get a catback
get the e-fan
get headers (loud, and only a few hp though)
dyno tune with an S-afc
get an MSD and wires
advance the timing by about 5-7 degrees (about 5-7mm on the pulley wheel)

Still won't be crazy fast on a vert... the heavy weight will really suck with the reduced low end with those mods... but once it winds out it'll be prety good. Definately beat the v6 camero,

 

PM HrricaneRX7 (I think that's his name but not sure. Do a member search if it's really worth your time) You sound exactly like him. He had a first gen and was so excited that he bought a street ported NA FC. Main reason? to tool his little brother's V-6 Camaro

 

I really dont see you making 220hp even at the flywheel. Probably around 175-185.

 

The post above me said i'll only gain 15-25 more hp at the flywheel with streetporting, intake and bypass the cats? I mean if that's right ok, but I was under the impression that I would, worst-case scenario pull 200hp out of the stock 160 engine with streetporting, intake and bypassing the cats. I just want to be fast......

 

I meant you might see 175 to the ground, but no... I dont see you making even 220fwhp.

210hp @ the flywheel, about 15% drivetrain loss, that leaves you with about 179rwhp. Thats no where the 220rwhp you said in your initial post.

 

Right now I dynoed very close to 160rwp on my non street port N/A. A big street port will make around 20rwp or more im sure with my mods. This should put me in the 180rwp or more wich could be 220fwp im sure.
But with just the mods hes talking about then no. And a vert is heavy.

Bambam7--headers will ad more than a few hp on a streetport. I gave dyno comparisons before and after for my car vs Streight pipe after stock manifold. I got 13rwp but I also had a lot of intake mods that werent foreseen. Still though people told me it wouldnt do much if anything. But I have the dyno to prove it. Also I have seen many Dynos of people on this forum making 140rwp without headers and seems like everyone with headers are making around 150rwp. 3 and 3 so far.

 

Ask Mazdatrix what you could expect. They said with a bridge port on N/A you could expect to see 250 FWHP. I dont know about a street port though. Anyone have any idea on what I could expect on a 87 TII with a street port? Just wondering I will prolly follow my own advice and ask the TRIX!

 

you should go to an offroad exhaust and a cold air intake. Your gonna see alot of hp and if you really want to see a difference, go to a fuel and engine management system. The stock ecu chokes the **** out of a power plant. you got to let her breathe and listen to her *** and *** and *** again! ohhh yeahhh

 

I don't think you'll get over 200 Hp even with a road race header and true dual exhaust with the stock ECU. It's possible if you ditch the stock FI and slap a weber on it.

 

From what I have been told, you will have to build a High compression 4 port with a huge steet port to get 200hp.

 

Engine Mods


Aggressive Street Port

Pineapple 6 Port Racing Sleeves

Removed Exhuast Defuser

Apexi Intake

Mazdatrix True Dual Exhaust(Racing Beat Cat-Back)



Tranmission Mods


Rebuilt Trans(Auto To Manual Swap)

MazdaTrix Short Shifter

Stainless Steel Clutch Line

#17 Racing Beat Flywheel

Act S/S Clutch

Clutch Master And Clutch Master Slave(New)

GTUs Rear End With 4.33 Gear Ratio with LSD



Fuel Mods


Apexi S-AFC Fual Controller



Interior


Mazdaspeed Shift ****

Italian Leather Shift + Ebrake Boot

SPARCO Carbon Fiber Pedals

DIN 3 Guage Holder



Maybe a few more thing....

Nick

 

FlyBye116: Have you removed the diffusers all together?? When I get my N/A engine built I was going to have T2 diffusers put in. (along with S5 rotors, T2 int housing, large streetport..yadda yadda) Could you tell me why you removed them all together??? I understand it will allow more flow, but wouldnt it also create more turbulance??

 

listen to dr0x, he lives on mars.

 

 

The diffusers were grinded down and the exhaust ported some. Which can be alot easier than getting the stock n/a diffusers out and putting TII ones in. (and while your at it also good time to port the exhaust)
And as for why... well Ito (rx-7 god in NJ at J.R.'s Rotary) Thought that would be best and most flowing for the streetport that was being done.

Nick

 

I thought the kewl thing about the TII rotor housings was that they didn't have exhaust difusers?

 

I just finished my 1,000 mile break in. Getting my Racing Beat downpipe and presilencer installed tomorrow at the 1,000 mile checkup. The car runs great, but remember its a vert, so....yeah....i'm probably gonna get the Camden S/C and run like 6 psi boost. That should give me enough to pacify me...for awhile...

 

Well yes its cool.......but you spend more money for them when you can save that money and use it for all the gas you will burn once your cars running agian lol
So use the regular N/A housings and take sometime to port it nicely

Nick

 

Hey Pianoprodigy: Do you have a S-AFC or any kind of control over those Turbo2 secondaries you are using?? If not you're probably running way rich, and not making nearly as much power as you should be..

 

Yeah,
I've heard both ways. The guy at the Mazda shop said that the secondaries will help at high rpms. I haven't taken the car over 6k yet so I don't know how it will run. Plus, I'm thinking about the Camden S/C kit which will require me to go carb anyways and I can't use an S-AFC then, Right? I don't know, we'll see how it goes.