Single Turbo RX-7's Questions about all aspects of single turbo setups.

PFS Tuned GT42R makes 643RWHP!!!

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Old 11-19-05, 11:15 PM
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Originally Posted by 88fc3sw/HX83
Ernie....What's the latest times?
LOL...Nothing too good to post with the exception that the car is still one piece with nothing broken.
It was about 30 degree's last night and NOBODY was hooking up. My best 60' was a 1.69 and every time I went into 3rd gear the car would break loose and almost hit the wall all three passes with the last pass being the most out of control. At the top of 3rd gear it broke loose and I was inches from the wall. I saved by total luck. When that happened, my *** puckered up so tight you could have made a pearl! I was done after that. Pulled her on the trailor. Could have been a combo of a few different things. The main being it was cold as a witches tit. Second I think I may be over powering the stock diff. (don't have the Kazz in yet) because every time I broke loose, the car would shoot right. No biggie though, I'll get my cage and have Ray put the Kazz in and tune for pump gas. Come spring time, my *** will be ready!

I did manage 111mph in the 1/8th though.
Old 11-19-05, 11:53 PM
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damn 111 on the 1/8 thats ******* awesome!!!
Old 11-20-05, 01:02 AM
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Alumastars! Nice to see them on an FD. Looks very very nice! Do you run them in the rear as well? I see that you don't in the pic but i didn't know if you maybe took them off or something.
Old 11-20-05, 02:11 AM
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The best part is it looks almost stock, far more impressive that way.
Old 11-20-05, 03:41 AM
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Originally Posted by ErnieT
Second I think I may be over powering the stock diff. (don't have the Kazz in yet) because every time I broke loose, the car would shoot right. No biggie though, I'll get my cage and have Ray put the Kazz in and tune for pump gas. Come spring time, my *** will be ready!

I did manage 111mph in the 1/8th though.
Quick question? How in the hell is the stock diff still holding up with that 60ft an hp on drag tires? Whats your secret?
Old 11-20-05, 07:12 AM
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Originally Posted by t-von
Quick question? How in the hell is the stock diff still holding up with that 60ft an hp on drag tires? Whats your secret?
I will take a guess that maybe he's not sidestepping it. I know whenever i've broken anything in any manual car.....it always happened because of dropping the hammer and something having to give.

Ernie also said his clutch was slipping on the dyno a little i think. I'm just thinking out loud here so don't mind me.

I hope i'm not intruding or anything Ernie......if so then sorry
Old 11-20-05, 07:42 AM
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thats a lot of power! congrats!
Old 11-20-05, 08:32 AM
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Originally Posted by silvr94r2
I will take a guess that maybe he's not sidestepping it. I know whenever i've broken anything in any manual car.....it always happened because of dropping the hammer and something having to give.

Ernie also said his clutch was slipping on the dyno a little i think. I'm just thinking out loud here so don't mind me.

I hope i'm not intruding or anything Ernie......if so then sorry
No problem! The stock diff will hold up as long as your don't wheel hop, but I don't think it was meant for the power level Im putting down either. I do have a fresh clutch.
I couldn't get alumastars in the rear seeing as how I didn't want to grind the caliper and nut to the toe link so I just kept the stock wheels on there with ET streets. I'll probably get some in the spring though.
Old 11-20-05, 06:02 PM
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Originally Posted by ErnieT
No problem! The stock diff will hold up as long as your don't wheel hop, but I don't think it was meant for the power level Im putting down either. I do have a fresh clutch.
I couldn't get alumastars in the rear seeing as how I didn't want to grind the caliper and nut to the toe link so I just kept the stock wheels on there with ET streets. I'll probably get some in the spring though.


Do you think you would have the same problem with a turbo II diff?
Old 11-20-05, 06:05 PM
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Originally Posted by t-von
Do you think you would have the same problem with a turbo II diff?

As far as I know TII diffs can hold up to alot more abuse than FD diffs...Ive got a few friends with LS1 FC's and their diffs are holding up fine with 400-500 hp..They race them quite often at the strip as well...
Old 11-21-05, 08:00 AM
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[QUOTE=. I do have a fresh clutch.
[/QUOTE] What type of clutch you running ??
Old 11-21-05, 08:03 AM
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Thumbs up

Originally Posted by ErnieT
Water inj. isn't doing anything really when your running high boost. Its good for pump gas, but if it fails you'll still blow your motor. When your running meth/water inj. you run alot richer so you have to lean it out. Well, if it fails and your going to be too lean and boom, same result. It does reduce intake charge temps, but mine arn't that high to begin with.

If you use Aquamists new flow sensing system , you will be protected if you fail and water flow stops .
Old 11-21-05, 09:33 AM
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Originally Posted by Marcel Burkett
If you use Aquamists new flow sensing system , you will be protected if you fail and water flow stops .
Or just spend the extra $ and run c16 whenever your running high boost. Why chance it running another system when you don’t have to? With the injector setup he is running he can get a good tune for around 20 psi on pump gas. C16 may be pricy but IMHO it’s cheap insurance when you’re running that much boost @ the track. Hell I keep a 30 gal drum of C16 in my garage just b/c I run 22psi all the time. And siphoning it out of a drum is easier than having to go to the track to fill up
Old 11-21-05, 11:23 AM
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holy cow ernie! 111mph is awesome. You're catching up to me quick. I need to get my car back running before you have a faster car than me. j/k Nice to see that crazy mph in the 1/8. What was your 1/8 time?

My last 1/8 I made w/ the slipping clutch was

60' = 1.62s
1/8 = 6.44@114mph.



Originally Posted by ErnieT
LOL...Nothing too good to post with the exception that the car is still one piece with nothing broken.
It was about 30 degree's last night and NOBODY was hooking up. My best 60' was a 1.69 and every time I went into 3rd gear the car would break loose and almost hit the wall all three passes with the last pass being the most out of control. At the top of 3rd gear it broke loose and I was inches from the wall. I saved by total luck. When that happened, my *** puckered up so tight you could have made a pearl! I was done after that. Pulled her on the trailor. Could have been a combo of a few different things. The main being it was cold as a witches tit. Second I think I may be over powering the stock diff. (don't have the Kazz in yet) because every time I broke loose, the car would shoot right. No biggie though, I'll get my cage and have Ray put the Kazz in and tune for pump gas. Come spring time, my *** will be ready!

I did manage 111mph in the 1/8th though.
Old 11-21-05, 04:24 PM
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Originally Posted by pluto
holy cow ernie! 111mph is awesome. You're catching up to me quick. I need to get my car back running before you have a faster car than me. j/k Nice to see that crazy mph in the 1/8. What was your 1/8 time?

My last 1/8 I made w/ the slipping clutch was

60' = 1.62s
1/8 = 6.44@114mph.
LOL...It looks like you do.....6.48@111mph. and 60' was a 1.97 spinning my butt off!

Last edited by ErnieT; 11-21-05 at 05:13 PM.
Old 11-21-05, 09:11 PM
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Did you dowell pin that motor? I was getting a little worried on my 540+hp dyno pull on my un-pinned motor. What boost/HP level is safe?
Old 11-22-05, 07:00 AM
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Originally Posted by AZ'sFastFD3S
Did you dowell pin that motor? I was getting a little worried on my 540+hp dyno pull on my un-pinned motor. What boost/HP level is safe?
Don't worry, mine is still fine at 31lbs./643 and un-pinned....lol...
Old 11-22-05, 08:20 AM
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Just goes to show everyone what a stock motor with a good port can do...Thats great
Old 11-22-05, 09:16 PM
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Originally Posted by turboR1
Just goes to show everyone what a stock motor with a good port can do...Thats great


It's all in the tuning.
Old 11-22-05, 09:51 PM
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Originally Posted by t-von
It's all in the tuning.
and the fuel : ) I always laugh about people going on and on about pump gas this, pump gas that. After the first year of ownership in 93 I never did anything on pump gas other than drive to a place to use race gas.
Old 11-22-05, 10:32 PM
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The smell is enchanting also..burnt or unburnt... got to love C16



Originally Posted by Kevin T. Wyum
and the fuel : ) I always laugh about people going on and on about pump gas this, pump gas that. After the first year of ownership in 93 I never did anything on pump gas other than drive to a place to use race gas.
Old 11-23-05, 11:02 AM
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Originally Posted by turboR1
Just goes to show everyone what a stock motor with a good port can do...Thats great
Stock motor ??? There's more to it then just a stock motor besides the stocks parts being used for assembly. Detail to clearances and spec'ng all used parts is a must at those power levels.

And good tunning of course....

JD
Old 11-23-05, 11:18 AM
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Originally Posted by Kevin T. Wyum
and the fuel : ) I always laugh about people going on and on about pump gas this, pump gas that. After the first year of ownership in 93 I never did anything on pump gas other than drive to a place to use race gas.
Well, pump gas gets the job done(for some of us) up to a certain limit.
Race gas simply allows you to move on to the next level in boost/horsepower.

When you run race gas to run 15psi/~400rwh its a waste of money with todays ECUs, but everyone has their personal preference which is respected.

Simply my opinion:-)

JD
Old 11-23-05, 03:44 PM
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Originally Posted by AZ'sFastFD3S
Did you dowell pin that motor? I was getting a little worried on my 540+hp dyno pull on my un-pinned motor. What boost/HP level is safe?
Come on Matt...lets turn up the fuel pressure on C16 and go for 610 at the wheels!

Old 11-23-05, 03:50 PM
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Originally Posted by Trevor
Come on Matt...lets turn up the fuel pressure on C16 and go for 610 at the wheels!

That's what I'm doing this winter when Steve Kan comes back to tune. Going to see if I can throw down 650whp or so......

Ernie has given me a new goal.....


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