Did you forget to mention the 20B that Pettit slapped in there for ya? 'cuz that's the only way I could see you pulling 11's and traps >120 with the setup you've posted.

 

A g-tech is not accurate. You can use a g-tech to test what a mod might have done to your car, but it is not good for comparing times with other people, or for bragging rights. Last time I went to the strip I made a few passes with one and it was way off. Ran a 12.6@117, it said 13.0@12?. I was pretty disappointed in it, glad I didn't waste my money on it.

Nick

 

now it all makes sense.

G-Techs are very accurate at the ET, but the speed on the G-Tech always shows 4-5 mph faster than the trap speed at a drag strip. thats because the G-Tech takes the instantaneous speed at the end of the 1/4 mile, as opposed to tripping the timing lights at a strip.

 

Guys believe it or not 11.7 is actually slow for 120 MPH.
The perfect 11.7 is made around 115 MPH.
120.8 MPH is an average of 11.2 secs in the 1/4 mile.
So this guy's car can do better times, all it needs is the perfect grip.
The 11.7 @ 120 is not BS at all!!!!! Some people here need some school!!!!!!

 

right on bro. especially jimlab!

 

well since i am still in college (school) i read the thread and the argument wasnt 11 sec et's or that 120mph was possible @ those et's it was that he ran 11's @ 120+mph at 11.5psi on stock twins and all that on street tires.(so2's) i think the only car ive seen in 11's on street tires asside from aris was making like 400+rwhp

more a argument that 11.5 psi dosnent make the hp to push you to those trap speeds


and they always said my reading comprehension wasnt good....if they could see me now


ohh 11.1 is the fastest ive seen on stock twins..i mean it was @ 19psi..but anthony is shootin for 10's this year on the twins.

 

Precisely.

I've seen video of Kevin Wyum running a 10.98 on a stock motor and twins @ 17 psi on C14 race gas and P305 M&H Racemaster DOT Slicks in 1996.

 

That makes all the difference in the world!!!!!!!

G-Tech isnt that accurate, there are to many things to affect the time/mph


Anyway, here is what I ran.......

intake, full exhaust, Power FC right out of the box and untuned, 12.5psi of boost, fairly cold weather (mid 50's), Nitto drag radials.......

Very strong totally stock motor with 35K miles, stock IC, stock clutch, pretty much everything besides what is listed above was stock except I also had a short throw shifter and a underdrive pulley.

12.3x@113 with a 1.89 60 foot time

With a IC, upgraded fuel system, tuned Power FC, launch kit, and ported motor at 15-16psi of boost I'm looking for mid/high 11's.....we'll see

Later,
STEPHEN

 

I ran consistant high 11's on stock turbo's and stock engine. My best et was 11.74@119mph all on BFG drag radials. Prolly could have hit mid 11's w/ slicks. I ran 16psi with all your basic bolt ons as well as 1200cc secondaries and bigger fuel pump.

 

That would explain it...i've heard various stories of the Gtech being horribly innacurate when it comes to calculating trap speed. You can get a fairly accurate et from the gtech, but I believe the Gtech's trap speed doesnt take several variables into account like CD.

I'd say mid-high 11's @ ~110 sounds a lot more feasible

 

ouch, backin out

 

I've run an 13.1 @ 113 with only a DP, CB and Efini y-pipe. Stock ECU, boost is about 11-12 psi on the first turbo and 11 tapering off to 8-9 psi by redline. It was COLD outside, maybe 30-35 F.

Oh did I mention that was measured with a g-tech? I could never back that time up, I run an bunch of 13.4's though forgot mph, but it was in the same range. Real world dragstrip gave a best of 13.59@102.85, summer time though, temps were in the high 70's low 80's. This and a few other experiences with the g-tech tells me that the times are pretty close, mph however reads high.

Don't believe the BS line that the dragstrip averages the speed over the last 100ft and the g-tech takes an instantaneous speed. Your not going to gain 10mph in 100ft at 100mph.

Jeff

 

Sorry...I beg to differ. I've spent lots of time on the dyno doing wide lambda tuning, and after every session I'd do back to back GTECH runs. I could ALWAYS get the same rwhp reading within +/- a few RWHP. Over and over again, it was dead consistent with the dyno everytime .

There's a secret to how the GTECH HP tests need to be done, and it seems very few people know, cuz it doesn't tell you how to do so in the instruction manual! Once you learn the trick, you can get dead consistent GTECH runs with the dyno! Albeit it took me awhile to figure the proper technique.

 

Someone needs to get AnthonyNYC on this thread. He ran 11.1 @ 122 with stock turbos. You can go check out his timeslips @ http://www.rx7s.com/

 

That's funny, on their website, the first performance mod under Tony's car is KKK Single Turbo.....

 

Your looking at the wrong car. Look in the customer car section.

 

Great, but there are 101 ways that your average Joe can screw up the readings on the G-Tech. They are not infallible, and NO ONE, but NO ONE traps 120+ mph in the quarter on 11.5 psi with the stock twins, and that's the bottom line. Let's move on, shall we?

 

**** I haven't seen 120+ traps at 11.5 psi on ANY turbo for the 13b.

 

I do have to ask.....where in here is does your 5 years of ME come into play? I've been in AE for 5 years and my Kennesaw educated friend's RX-7 is just a fast as mine. ....all it takes is money bro.

 

balance and blueprint the timing lights and the traps

 

so are you just going to say "I have a secret" ... na, na, na, na, na, na?

 

So, John went 10.9X on stock twins a few times........... So there you go.