[RXSEVN]

i currently have a stock rx-7, engine modification plans are as follows....

-garrett 35/40 roller running 15 psi
-front mount
-dump pipe, 3" exhaust with a high flow cat
-apexi power fc
- fuel pump
-750cc injectors

just inerested to know what your estimate/guess will be rwhp?

also time for 1/4 mile?

cheers

twomucboost4u

iTrader: (9)

MY guess will be around 370 and run a low to mid 12 high eleven w/ slicks and good driving.

Chris

BlueTII

750cc Injectors? The stock ones are 850/550. You need a lot more fuel to run anywhere near 15psi with the 35/40

matty

mid 12s with 370 rwhp is **** driving. u should get 11s if u can drive the thing with slicks.

NissanConvert

iTrader: (1)

Yes, but with 750cc injectors will he make it to the 1/8 before it blows? change the injectors to 850/850 or 550/1600 and i doubt you're going to get very deep in the 11's.

given the low post count- read the stickies. perform the reliability mods. go to the single turbo forum, read the stickies there.

The rx-7 isn't a bolt on a new turbo and go fast car. Why hasn't anyone flamed this post?

twomucboost4u

iTrader: (9)

I assumed he was running an extra set of 750 in the intae elbow or something. If thats not what you had in mind then you need way more fuel 550/1600 or 550/1300.

Chris

[RXSEVN]

i dont know much about rx7's yet, but im here to learn - my previous car was a 4cyl and 750cc seemed huge, i didnt know stock rx7 injectors were 850/550....
so can someone tell me what sizes injectors come in, n ill decide....

zinx

iTrader: (3)

Back off dude, there is nothing to flame, he has a PFC listed in his mods, the only thing he didn't have correct was the injector sizing, and as others mentioned, 550/1600 or 850/1600 will work just fine.

NissanConvert

iTrader: (1)

You've got a single turbo so:

-garrett 35/40 roller running 15 psi
-front mount
-dump pipe, 3" exhaust with a high flow cat
-apexi power fc
- fuel pump
-750cc injectors

What does your car have that's not on the list?

Because that's hardly a full laundry list of mods needed to run 15psi through a rotary. It's a start, but *not* complete.

Is there something inflammatory about my suggestion?

zinx

iTrader: (3)

Its good enough to get it running, assuming that his is buying a turbo kit and not just the turbo, all he is really missing is the BOV, and thats not even required. Drivetrain will come next, but again, thats not required to get it running. He will probably need a new clutch soon after, but its not required.

[RXSEVN]

atm my car is stock...thats the list of mods i had in mind, and ofcourse i will be replacing my clutch to a extreme heavy duty or similar...
so what else are u suggesting? what size injectors?

the only thing thats not on the list is the manifolds to suit the turbo.. what else do you mean by "assume his buying the whole kit not just the turbo" zinx?

GregFD3S

this is stupid... it completely depends on the tune.

[RXSEVN]

yeaa...ahhhh.... no ****!

i said estimate?!?!?

but thanx for ur 2 cents neway

twomucboost4u

iTrader: (9)

Here illl make it really easy for you here is a list of mods you will need and upgrades along with approx prices to see if you even want to tackle this project this isnt a honda you cant just throw a turbo on it and expect results these motors are very touchy once you remove them from stock, without having everything supported properlly. You can run the small list you mnetioned above but if you want longevity and reliability your going to have to go with my list.

GT35r turbo kit (manifold,downpipe, oil and water lines,turbo, gaskets, waistgate)... 2300-3000 considering condition of kit if its used or new stuff like that.

Apex-i + commander...750

Fuel kit...( injectors, resistors, rails,lines, and fittings, FPR )... 550-900 depending on if you change all you injectors to top feed or just the secondaries for this turbo your going to have to run .550 primarys and 1600 secondaryies if you only plan on 15 lbs of boost that fuel set-up should be suficiant.

Fuel pump...Around 150 (Intank 255 walboro should be fine)

Aluminum radiator...450

Aluminum AST...130

Clutch...400

tranny and rear-end fluid... 120 .You have the tranny out for the clutch might as well upgrade the fliud.

Intercooler... 600-900 many choices from very simple to very complicated, stock mount, front mount, or v-mount you can spend a lot of money here but if you cant cool the air whats the point of running that turbo if its not going to be efficiant.

Plug wires+ colder plugs... 60 Ive found MSD wires to work well. and there a quite a few spark plug options and depending on you budget you can spend upward or 100 just for 4 plugs or the least of 25.

Ignition amplifier... 350 with all this extra fuel and air you have to up the spark or you can possibly detonate.

Exhaust... 700 you need to flow the air or you wont make the power you will need to buy two seperate pieces midpipe... 250 and a cat back... 450

And for a good tune your looking at spending around 550 on dyno time and tuner.

Now there is labor I hope you plan on doing all this stuff yourself because if you plan on having a shop putt it on your looking at, at the least 2000 in labor.

So on the cheap side your looking at around spending on the cheap side..7135 and on the expensive side around...8580 You can shop around and take the time for wait for deals in the for sale section and you can proabably get it down to around 6200 saving a few bucks on each item but it would take a good 6-9 months waiting for various parts to show up in the forum.

And to answer your question about power with everything i listed and a tunning sesion you will yield 390-420 depending or motor condition w/stock ports.
You can assume you would run around 12.3-12.6 with street tires depending on how much of it you get to stick. With drag radial you can proably hit 11.8-11.9 and with full slicks which i wouldnt recomend running unless you put in cromoly axles you could proably hit 11.4-11.5. Well good luck and hope this helps.

Chris

NissanConvert

iTrader: (1)

I have all of this on my car with oem turbos, and oem fuel system. I also have an EBC, & wideband that are about to go in. All i'm saying is that you need to approach this carefully. Changing the fluid, the AST & radiator can be considered reliability mods that *should* be undertaken on a nearly stock car. It's 13 years old for goodness sakes!

Question number 17

This post =

Topolino

iTrader: (2)

Welcome aboard RXSEVN! I've owned an FD the majority of my adult life. But until recently, I had very little knowledge regarding performance modifications, etc. I found the following site to be quite informative. You'll also find a lot of good info on this forum as well.

Note: Don't take it too personal if you get flamed in the process. That's the nature if this board at times. There are some who got flamed when they came on initially asking newbie questions. So they insist on carrying this culture forward now that they know a thing or two. Mostly, though, you'll find friendly people who want to help you in your quest to build a fast(er) RX7. Best of luck to you!

http://www.turborx7.com/recomend.htm

[RXSEVN]

thanx.. you've all answered alot of questions for me, i guess it all comes down if i can afford it all.

my budget for engine mods is $10k AUD, thats job complete, theres a few workshops in my area that specialise in rotaries...

ill go visit them and get quotes and see what their recommendations are....

[RXSEVN]

my car is 8 years old with 55,000kms

Topolino

iTrader: (2)

Here is some more info to give you an idea of the HP gained after each modification; including associated costs/labor involved. Keep in mind that boost levels have a lot to do with the total power increase, too. However, operating at higher boosts (> 12 psi) begins to chip away at engine reliability. So there is obviously a potential tradeoff. Your tuner will be able to shed more light on this subject. Note: The attached site also has an acceleration calculator so you can get a look at the potential 1/4-mile estimates after the HP gains. Have fun!

http://rx7.com/store/rx7/fdpower.html

doduong11

iTrader: (4)

hey Toomuchboost4u where can i find the Apex-i + commander for $750 i'm interested in getting one but i looked everywhere and they still want like $1000 for both. If you know of any place please let me know thanks alot

TT_Rotary

iTrader: (3)

RXSEVN, all ur gonna do is get flamed, i've been there done that, they always flame new comers on this site, thats why im not much for this site, like u said, im here to learn and experience the RX-7 w/ people who have simliar questions or problems.. but.. Nissan seems to think, if he flames every thread, he's gonna get a reputation boost.. this isnt need for speed, there is no rating 1 - 10 nissan.. and if there were, u'd have a -5 in my opinion.. =) im glad i could give my 2 cents.. haha. good luck w/ the mods.. and welcome to the demonic rx7club. =)

NissanConvert

iTrader: (1)

TT_Rotary and all of the other people on this thread complaining about the "culture" of the Rx-7 club boards:

Most of your recent questions are answered in the faqs. The next greatest number of questions are answered in the archives and can be found with a search (which admittedly is not working properly)

The truth of the matter is that you (the new people) think that we (the older members) have nothing better to do with our lives than fix your problems and answer questions that are asked every other week. If we do not wean you from these practices you will continue to ask silly questions which helps neither you, nor the message board as a whole.

You will find that if you search and then in the subject line type [having this problem] -searched- you'll probably get friendly help as we don't come to this board to flame newbies to make ourselves feel better- however much you may think we do. I do not get a warm fuzzy from e-fights with people who don't know better.

There is no "reputation" function on the 7club board only your "good name". I do not expect to get a boost by being nicer than a mod who might just say "read the faq- thread closed".

Kay pumpkin?

Topolino

iTrader: (2)

RXSEVN,

Here is another site that you may find helpful. It compares dyno runs/HP levels relative to the various modifications & boost pressures for applicable RX7s...

http://71.102.125.165/dyno.php

matty

no we like to flame fast and furious bitch *** clowns.

TT_Rotary

iTrader: (3)

well nissan, this is a forum, and thats what a forum is for, to ask questions.. right?? ok, of course im right.. and matty, flame the fast and the furious bitch *** clows?? u own the same car as the *** clowns.. so ur a hypocrite.. hhmm.. make urself look like more of a retard.. thanks.. insult urself so i dont have to.. ANYWAY.. i would expect the older members to be mature enough to have patience w/ the new commers, and answer the questions.. if u dont like answering the same question over and over then get off the forum.. thats what its for. A FORUM IS TO ASK QUESTIONS!! THANK YOU!!