500+rwhp, almost 400ftlbs of torque, body is done, sorting begins:D
well, we did the initial tune on my widebody, and the results are pretty good, basicly flat torque, over 300ft lbs from 4700 rpm to redline. I'll post a couple differnt graphs, because none have all the feature you'll want to see together, but the car goes to the top of third on the street in less than 5 seconds, and hits 60mph in under 3 seconds(stopwatch/terrified passenger:D). This is babying the clutch, as it hold fine once under way, but would disintegrate if I dump it at more than 3500rpm in first. There is no tire spin, so the widebody is paying off. We will be working on making the torque earlier, but for now the car is scary fast anyway. here are a couple graphs, basicly 506/387@25psi, and 449/331@20 psi(which is what I will run on the track to start). No cooling issues with 35 back to back pulls(3 hours) on the dyno on a 90* day with one small fan.
I just tried to scan these in, and they are too large, I guess for now(until I learn to use my scanner, I will photograph the sheet. They are all SAE with no smoothing. Now, I am moving on too getting the suspension dialed, we will be aligning, and corner weighting tomorrow, followed by some more cooling mods, and brake work. The car will hit the track for the first time 8/6-7 at Infineon. I hope to put the car in the hands of some semi pro drivers, to help me get it dialed in. That's it for now, til i photograph the dynos, and get the car on the track. Carl |
Originally Posted by Carl Byck
well, we did the initial tune on my widebody, and the results are pretty good, basicly flat torque, over 300ft lbs from 4700 rpm to redline. I'll post a couple differnt graphs, because none have all the feature you'll want to see together, but the car goes to the top of third on the street in less than 5 seconds, and hits 60mph in under 3 seconds(stopwatch/terrified passenger:D). This is babying the clutch, as it hold fine once under way, but would disintegrate if I dump it at more than 3500rpm in first. There is no tire spin, so the widebody is paying off. We will be working on making the torque earlier, but for now the car is scary fast anyway. here are a couple graphs, basicly 506/387@25psi, and 449/331@20 psi(which is what I will run on the track to start). No cooling issues with 35 back to back pulls(3 hours) on the dyno on a 90* day with one small fan.
I just tried to scan these in, and they are too large, I guess for now(until I learn to use my scanner, I will photograph the sheet. They are all SAE with no smoothing. Now, I am moving on too getting the suspension dialed, we will be aligning, and corner weighting tomorrow, followed by some more cooling mods, and brake work. The car will hit the track for the first time 8/6-7 at Infineon. I hope to put the car in the hands of some semi pro drivers, to help me get it dialed in. That's it for now, til i photograph the dynos, and get the car on the track. Carl PICS!!!!!! |
Let me be the second to say:
Holy CHIT! :eek: |
Here's a link to three sheets. Watch the scaling, I added some approx RPMs by overlaying some graphs, but you get the idea. If you have not seen my car, there are pics as well. I met with Tripoint at ALMS over the weekend, and we may be making some custom strut housings for the front to allow 16x12 w 24.5x12x16 slicks (or bigger) in the front of the car, we are already running the 13" slicks in the back. Rates are 600/400 to start, but we may go alittle softer til I get used to the car. The car feels like its hitting a wall at ~80-100, I am hoping that is my Aero kicking in, and not something wierd in 4th gear. seem likely it's the aero, since with this much power, it should just pull like crazy through 150mph:D Anyone know what 5th at ~7500rpm equates to in speed in a TII? Carl
http://www.teamfc3s.org/forum/member...tos&car_id=562 |
double click on each image to view properly.
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timing is a 6 degree split with 17* advance@25psi. AFRs are mid 11s on 111 octane with 6725-11.5 plugs. I will share any info on this car, no secrets, just lots of fun :D
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What class are u racing it in? SCCA, NASA.. cuz i'm looking into building a car alot like yours in the next few years and wanna know where i can race it. Thanks alot man. Your car rocks.
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Basicly it's NASA Super Unlimited, I could run it in SCCA SPO, but it really would get killed there by out of date Trans Am cars. You might be able to get it into ITE, but it's a little over the top for that class. I built this car because I wanted to, it is at the bottom of any class it legitimately fits in, and stupid fast for everything else. It is a crazy HPDE/SU car built to have fun, and be exactly what I want it to be without regard for where it fits. If it was a Porsche it would have a home, but nobody else builds cars like this, so it really has no home. If you want regular wheel to wheel racing at this level, look for an out of date world Challenge car, and drop ~30-50K. I did this a grand at a time over almost two years, I did not have the money to buy a car with this level of performance all at once. Coming from ~600hp daily driver, it's hard to find a race car that can satisfy... Anyway, If you want to go really fast, and do not care about having real competition on a day in, day out basis, this sort of car is for you. If you want wheel to wheel with reasonably matched cars, look somewhere else. Shit, you could AX it in STX, with 335-30 out back, and 315s up front, but why??? Later, Carl
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looks good carl, I have some questions for you about the cage and wheel tire combos. Send me a pm and we'll talk.
congrats again, impressive numbers. |
Originally Posted by M's
looks good carl, I have some questions for you about the cage and wheel tire combos. Send me a pm and we'll talk.
congrats again, impressive numbers. |
Originally Posted by Carl Byck
you could AX it in STX
The stock car isn't even STX legal. Maybe FP, but I don't think so. It would be right up in the classes. Even modified classes may not fit. |
I'll give you a call this evening
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Originally Posted by RotaryAXer
?????
The stock car isn't even STX legal. Maybe FP, but I don't think so. It would be right up in the classes. Even modified classes may not fit. |
I was talking about autocrossing specifically. STX requires a 4 seat car. A 2+2 is not allowed. STS2 is the only street touring class the car may have fit in. It is really pretty strict though. My CSP legal GSL-SE is not legal in STS2 due to the clutch type LSD. Your car is way outside the street touring rules.
With the cage, interior, widened body, rear wing, and various other things it would automatically jump to "F" Prepared. There may however be some mechanical things done that are still not legal in that class. The road racing classes do not cross over to autocrossing. FP for me is not the same as FP for a club racer. Well, I just took a look at the rule book. You are right the turbo goes to "B" Prepared. I guess what I said still stands though. I just thought I would help clarify this stuff for anyone that may be reading and thinking about building a monster FC for autocrossing. I was not commenting on your car. It is spectacular.
Originally Posted by Carl Byck
Live and let live, to each his own, and for me, thats one crazy FC :D
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Carl- Nice numbers... what is your redline and what tune do you plan to race it with?
Your plan is to run at Infineon on August 6th-7th right? The LG Motorsports Corvette turned a 1:39 at Infineon this weekend in the ALMS series. That is cooking. |
If we run the long course... we will probably run the shorter hairpin at 7..... knock 2 ish seconds off..
Marcus |
Originally Posted by Carl Byck
I built it for me,
For THAT reason Carl.. (And a VERY nice FC) I will ALWAYS have respect for your car. You built it for YOU. I wish everyone in the racing world would get OVER the goddamn It has to fit a class thing. If it has a plate it ISNT a "real" race car. You are right though about the SPO thing. /shudder One of the times in the last year I was at Sebring with the F500 Team I help out with, there was a SPO? Supra. Yes it was Every 16 year old's wet dream. I mean it was MEAN as hell. Fast and Ricey all the way. Fender flares.. Hood.. Wing.. Seat.. Cage.. Sillllly Japanese shocks etc.. Everything a 150K could buy you from Japanese tuner mags. This thing was an AMAZING animal. HUGE turbo.. HUGE intercooler.. HUGE Radiator.. HUGE brakes.. Sequential Tranny.. it had "It all" Or it appeared to.. Well.. Come the ground pounder race... Well...... lets just say.. he wasnt up front. The couple GT1 C5R corvettes.. TOTALLY checked out on this thing. You all know.. the Yellow ones? The Pretty Yellow ones.. that GM built? Yep thats them. Then there was the 80s GT1 Camaro that was chasing them... and the other later model Camaros.... All GT1.. a couple SPO. Yep.. alllllllll Checked out. The thing sounded like a 100 Gallon air tank with a BAD leak. All WOOOOOOOOOSH out of the carousel. Amazing to watch.. THis thing was DIGGING out of the corners..... But not as much as the others. ANd it didnt go around the corners as fast either. And it didnt stop as well either... Pure bred Race car chassis.. with a Rat motor tuned to the limits VS a REALLY badass Street based car. Pure Tube chassis racer usually will check out. Granted... last weekend there were a couple GT1 camaros I kept catching and passing in my ITA 1st gen.... but Hey.. they had problems.. and were new. There was a "Bush" car there too with a 800hp SB2 engine in SPO. He had no problem with the GT1s. Glad to see you are getting her together Carl.. and look forward to seeing some Video or Pics of that beastie on the track. Nice Ride. |
Any pics of your fuel cell setup? I remember you were looking around for a ideas a while back.
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Originally Posted by SPiN Racing
Well.. Come the ground pounder race... Well...... lets just say.. he wasnt up front.
The couple GT1 C5R corvettes.. TOTALLY checked out on this thing. You all know.. the Yellow ones? The Pretty Yellow ones.. that GM built? |
Originally Posted by gnx7
Carl- Nice numbers... what is your redline and what tune do you plan to race it with?
Your plan is to run at Infineon on August 6th-7th right? The LG Motorsports Corvette turned a 1:39 at Infineon this weekend in the ALMS series. That is cooking. |
Nice ride, Carl! Dial it in good and keep it shiny side up!
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Originally Posted by Gene
Any pics of your fuel cell setup? I remember you were looking around for a ideas a while back.
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I hope toi be at Infineon 8/6-7, anyone else? Mark, LMK about your Sunday spot, I am interested, but I do not know how much time you get TT'ing. Carl
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I'll be there, hanging out. I'll swing by your pit spot.
Marcus |
Carl, I have to forfiet the entire weekend as I need the irons from my spare engine for the new 1/2 bridge being built up. I'm cancelling tommoorow or Tuesday but the deadline for refunds is not until Friday. Not sure if I can just give you my spot as it is not up to me. Call me and maybe we can figure something out.
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Dave, are you signed up for time trial, or Group 4? Ordinarily you probably cannot just give your spot to somebody, but I have a hook up, so I am sure we can, I'll call you monday. Hold that spot :D. Thanks, and again, I am sorry about the engine. Carl
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I'm signed up for TTA which runs in Group 4. There is no difference except that you have a transponder on your car and compete for FTD.
I'll wait to hear from you before cancelling...as long as it's before Friday. |
thats bad ass...impressive that you dedicate you whole garage to the 7, and the wife seems to like it!
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My wife is a princess, she regularly opens our house to tuners(3-4 days at a time), and wandering rotar-heads. Not to mention she can change a tire pretty quick when the chips are down:D Of course the only signifigant off I ever had was at ~80mph at T'hill with her in the car... Got a point by from one of those slow ass ZO6 things, and then he shuts the door on me, it was either broadside him, or go straight off, so off we went, fortunately my Video camera batteries died, so the profanities were not recorded.
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Originally Posted by Carl Byck
Car is alot heaveier than I thought, 400lbs heavier, but that will all go soon enough.
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Originally Posted by andrewdruiz
So how much did it weigh in at?
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I think with a mild steel cage in the car and those wide slicks that is a good weight. Gut the doors and add a lexan rear hatch to easily shave off 100lbs.
It is a race car now anyway. No need for real glass. |
Agreed, also out comes the dash/electric mirrors/ stock wiring, I think I can get 150+ out anyway, it's so fast, I doubt that weight will really play much of a roll at my poser t6o weight, and it is not so heavy that handling suffers. FWIW, my wheels weigh 13lbs, and my slicks 18lbs. Cage is heavy, Fuel system is very heavy, BIG FMIC, and steel piping. Lots of Fiberglass, it all adds up. BTW, I am taking Dave's spot, so Iwill be at Infineon both days. If you are still holding that other Sunday spot, LMK. Carl
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Originally Posted by Carl Byck
2700lb wet
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Dave's vert is a pig.... his taste in music is questionable, and it may be time to stab the 20B in that car....
Carl- The Sunday spot I can't use... bachelor party in Vegas takes priority ;). If I can make sure it goes to you... then that would be ok by me. BTW- I ripped the transmission sheet metal mounting point that is tack welded to my transmission tunnel clean off... it is still bolted to my trans mount! Lovely.... I think the car is making some power.... and my baby MIG has a dead wire feed! I need to hustle to get my junk ready for Aug. 6th. call me about the spot Wednesday night. I have the MILF over tonight.... I plan to be a little busy. :) |
Originally Posted by gnx7
Dave's vert is a pig.... his taste in music is questionable, and it may be time to stab the 20B in that car....
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Well, thanks to Dave, (rxheven, for giving up his spot) I will be running my car this weekend @Infineon. Another Dave, Dave Brown, Pole sitter/winner of the San Jose Grand Prix USTCC race (and one of the fastest GTA qualifiyers @ the GP) will be helping me with car set-up, along with Alan Sensier of Opak/Spoon Racing. Hopefully Dave will also be doing a little coaching in the future. Thanks to Alan Sensier particularly, Edmund, and all the guys at Opak/Spoon Racing for the help getting this car ready. Hopefully this car can take its place in the integration of Sport Compact car racing, and NASA in the near future. The car is just one example of what you can do with a vision, some time, dedication to the sport, and a little fabrication. As most of you know the car is built for Super Unlimited, and will hopefully be an inspiration to the RX community, and the Sport Compact community, that a competitive car can be built on a budget for NASA SU racing. Thanks also to all the people in the RX7 Community for helping me/tolerating me along the way to this weekend. The idea here, is you have a place to race whatever you can dream up, NASA Super Unlimited, Thanks to Jerry Kunzman, and everyone at NASA for giving us a place to race our dreams. Best Regards, and hope to see you all at Infineon next weekend, Carl Byck
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and where is my thank you for giving up my spot on Sunday? ;)
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Carl, i think you need some bigger tires..... :rofl:
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Originally Posted by gnx7
and where is my thank you for giving up my spot on Sunday? ;)
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