S4 stock port vs S5 street port.
 

I was at the Desoto motorsports park.

I was in line waiting my turn to run when this guy has a S5 rx7 wants to run me.

He says his car is ported with header, exhaust and custom intake piping and filter.

I told him I only have header, exhaust, custom ram air intake setup, some weight reductions.

We run and I destroy him the entire run. I was ahead from the begining. The race ended with me being about 10 or so cars ahead.

He ran a 15.2 and I got a 14.2

Then he tells me that my engine is ported also, he says he knows this because he has built rotaries for 10 years.. I told him he was wrong, it is original engine. He said I was a lier.

He was mad I blew his 7000 mile SP S5 engine, with a stock port 140,000 S4..lol

hahahahaha, +1

You ran a 14.2 with a 140k N/A motor?

I'm calling BS.

Just for the record thats spinning all of first gear and all of 2nd gear and a nice chirp outta 3rd. Street tires suck.

I could get a 13 something with some slicks.

bs

Gotta love those 1/8 mile kills!

I called bs on this guy awhile ago, and found some interesting information.

I think he weighs only 2000 pounds, the other guy might have full weight.

You make it sound like you have a full weight normal interior S4, of course people are going to call BS on you. I think the outcome is obvious if you're giving me what 40 whp and I'm giving you 800 lbs. It would be more impressive if it was "I destroyed a 2000 lb car with ported S5 engine with my 2000 lb stockport S4 engine." ;)

bs

shit, my car is completely gutted + ur mods + superlight weight rims and a whole bunch of other stuff and i cant run than time.

15.2 was my time
https://www.rx7club.com/kills-archive-229/73-vette-l82-vs-88-rx7-n-746650/

I Demand A Timeslip!

How much do you weigh?

I should have explained more.

This was a race against a new ported engine, with similar mods, vs a lighter version with over 140,000 on the engine, stock ports.

However the S5 had no A/C or P/S, was built and ported by Mazsport.

I guess the main problem most have is SP engines aren't great on a n/a. They may show nice numbers on dyno, but they are slower in almost every aspect.
Thats why he said I was ported also..He was upset he spent $5000 for his engine.

I want to see the timeslip and preferably a video.

i'm not gonna lie.....i dont know for sure....but there is nothing but a dash and one racing seat in my car.

no ac, still hav ps (for now)....bone stock my car wieghed 2656.

i'm guessing i'm between 2000 and 2300lbs.

i'll post on my weight when i weigh it.

You may be surprised when your weight is only 2300 with gas and you in it!

Junkyard weighed my car and it came in under 2000 lbs.

PS: you can cut off and remove alot more weight than what you have said.

i kno....and i have. thus being about 2000-2300lbs.
i've taken out so many things it would be ridiculous to list everything and i wouldnt be able to remember everything either.

So, is this guys bullshitting or not. I find it hard to believe an S4 motor with 140k on the odo can beat a broken-in rebuilt streetport s5 motor...

Are you bragging about running a moded car into the 14's?:hahaha:

it depends,

a 140k stock S4 motor power a brick on wheels would probably beat a broken-in streetported S5 motor powering a cruise ship.

Doing it without VDI or turbo isn't half-bad. Take the turbo out of the FD and see how fast it goes down the 1/4 mile.

The FD was never built to run NA so of course it would be pretty crappy without the turbos.

how the hell you are running 14.2? and especially on a s4 motor. are you sure you looking at the right times on your slip?


and if its true , come to bithlo(orlando speed world)

of course, now try to run that with a motor that probably doesn't make as much power as an FD without turbos. ;)

ever heard the term "brick on wheels"? The car might actually weigh as much as one brick.

yes, but it wont make a big difference

:scratch: Its all true.

Any full chassis, street legal. 2nd gen RX7, SP engines only, no power adders. Bring $1000 or the title.

Isn't your car not full chassis? i.e. cutting/removing parts of the body? Does it have a cat? Would it pass a bumper deflection test? I guess it could be street legal where you are, but it might not pass elsewhere......

He is from Orlando. The laws are the same there as here.

Ah......I once failed a 5 mph bumper test.....stupid Canada.

Yeah im calling bs, my extend ported turbo s5 ran 13.5, noway a stock n/a is getting anywhere near that

Lowes Performance has the record for full chassis N/A FC stock port, bunch of things removed. They run a 14.1 same track I ran.

All you guys just can't drive or your cars are slow, or you just have no traction, and thats why mine is so slow.


I will tell you right now, my car will run 13's with slicks...enjoy.

Or your still dreaming :D

I would say thats very slow for what you have done.

My friend has a S4 stock port, 3.5 dp and exhaust, fuel chip, cone filter. runs 13.6, so I really can't relate to your BS call.

well the only way you can prove this is going to the track (orlando speedworld)and ill film it. next month?


what kind of rear end gears do you have?

Are you talking 1/8th mile? Mine is extend ported, dowelled, 2mm racing seals, full blitz exhaust system, microtech ltx8, pwr front mount, k&n filter, running a cusco 2 way lsd and top of the line good year tires. making 230rwhp and 376 rwftlb and the best i could get was a 13.5 @ 109mph it was hot so on a cold day, maybe a 13.2. Im calling complete b/s on yours. You say you can get into the 13's with slicks on a stock port n/a fc, i bet you weren't even getting any wheelspin on your street tires. Show me a time slip and ill believe u, until then its total b/s. Your not mates with rotatech are you?

you ran a 13.5 in 1the 1/8th?

Please tell me that was a 1/4.

I call SHENANIGANS

but seriously...

without proof of how your car is...accurate wieght measurment and without time slips...

its really hard to believe that an N/A S4 on Stock ports even with wieght reductions on an FC can run faster than the 15s-really high 14s in the 1/4 mile

now maybe the 1/8th mile i could see a faster time of 14s-13s...but i dont know the times that people can run.

my friend ran a 15 flat with s4 engine, mods were, rb full exhaust, rb plug wires, 6 ports working, k and n intake system, and the normal reductions on the engine

Yes i was talking 1/4 mile about my run

I love how us NA guys consider working Aux Ports a "mod"

yeah hitting 13's in an n/a fc really seems unlikely in your case

Why does the OP keep dodging the question!? Did you run on a 1/4 or 1/8 mile track? You should be ashamed of yourself if you ran 13s on a 1/8 mile track. Hell mine runs 10.7 in the 1/8 with my aux ports closed. Either you can't drive at all or you are making it up. Thats what I think.

:icon_tup: I got low 9's in 1/8th mile..almost hittin 8's..2 tenths off..9.2 @ 76 mph..

Ok so I have the same mods as you, but I just have an aftermarket catback and you are running a second and a half faster than me in the 1/8 mile. Well my car is a vert and obviously a lil heavier than yours but thats a big difference in time. I guess it could be true but i still have my doubts. And thank you clearing up the confusion.

Your vert is about 800 lbs or more than my car, currently..being I have not much weight..I spin all of first gear, all of second and little of third gear, which hardly gets over 6000 rpms before end of 1/8 mile...

Aren't you almost 2000 lbs? If so, and if the vert isn't lightened.....that's closer to 1000 lbs difference.

What???

well, glhs0867,my brother saids that he will challenge you to a drag race your 14.2 n/a stock port rx7 to his nissan 240sx., will you accept his challenge?

no bets what so ever.

how in the hell did you make 230 hp and 376 tq??? lt1??:scratch: ^^^^^^^^^

also for the original poster, r u sure ur not rotatech didnt he run like a 12 sec 1/4 in a stock TII with exhaust or something like that??:lol:

Man i have no idea how that figure came out, id scan the dyno sheet but i dont have a scanner, its 167.3kw and 510nm i used a conversion chart off the net. and rotatech did a few mods, and was running 8sec 1/4's on stock turbo rofl

Your vert is about 800 lbs or more than my car, currently..being I have not much weight..I spin all of first gear, all of second and little of third gear, which hardly gets over 6000 rpms before end of 1/8 mile...

and as for that, my fc bairly chirps second so u must be running pushbike tyres to get that sort of wheelspin

If you have a rotary engine, and you're sure you don't have a restrictor plate or other type of restriction in the intake, you may want to re-dyno the car at another dyno.

Unless you're making 400 hp, you're not making 376 lbs-ft.