Compound turbo dyno results

habitatguy187 · 08-27-2010, 04:36 PM

I'm surprised you've been driving around with it like this and haven't broken any drivetrain parts.

GSXSixteenG · 08-27-2010, 06:32 PM

That's Awesome... with a capital A.

I want to see some real numbers now. Are you planning on keeping that setup then? Because I know you were looking to sell it before.

JusMX141 · 08-27-2010, 08:26 PM

Quote:

Originally Posted by snowborder714

I've got to go next year. There's so many people I want to meet in person. That means I have A LOT of work to do on the car in the next year.

Bah, nobody's going to judge you based on your car! Hell I've driven my GS out the past three years, and before that we all piled into a minivan. If I waited until one of my turbo cars were actually on the road before going to the Shootout, I'd be a very old man....older than I am right now!

JoshCorlin · 08-27-2010, 08:35 PM

That's one hell of a power curve! That thing WOULD be fun as hell to cruise around town! The torque would be ripping the doors off alot of cars that people think are really cool. Wow!, many, many props man!

dsm-onster · 08-28-2010, 11:39 AM

'I am not impressed. You didn't make 700whp with an antique 60-1 compressor wheel and slipping clutch in 5th gear.'

Fantastic results!!!!

awdblacktalon · 08-29-2010, 08:22 AM

That car is fuggin sexy

99gst_racer · 08-29-2010, 02:41 PM

Check out the steam shooting up right above the intake manifold in this video.

http://s68.photobucket.com/albums/i1...t=DSCI0435.mp4

dalesmitsu · 08-29-2010, 02:51 PM

Quote:

Originally Posted by 99gst_racer

Check out the steam shooting up right above the intake manifold in this video.

Link don't work sir. Awesome and cheers on your work.

99gst_racer · 08-29-2010, 02:57 PM

HTML junk replaced by a link. Not sure why that didn't work.
Thanks, btw.

RLPerformance · 08-30-2010, 10:35 AM

After hearing Lafond talk about the build and seeing it at the SO each year, its nice to finally see some numbers with it. I hope the end result is rewarding for all the work you've put into it. Would be awesome to see 700 HP!!

gixxerdrew · 08-31-2010, 07:41 PM

Thats an amazing curve, I think my numbers were close but thats on a 2.4L and you are 2.0!!

endeffect0 · 09-03-2010, 04:29 AM

I just showed my girl your power curve on your 'street car'. (she's very much into her turbo 2liter Cosworth fords) her response was Wow! whats his race car like?

TofastForU_99 · 09-03-2010, 07:17 AM

Man Paul wish I was there. I cant wait for the new setup and the numbers on that one. Still kinda upset it had to break on you like that before we got to the track this friday. But anyways great work glad I could help out.

99gst_racer · 09-03-2010, 09:07 AM

Quote:

Originally Posted by gixxerdrew

Thats an amazing curve, I think my numbers were close but thats on a 2.4L and you are 2.0!!

Thanks, Andrew. I'm very much looking forward to going back next spring and doing pulls from the 2500 RPM range. I have a good feeling that my torque curve will shift further to the left if we're able to got WOT sooner.

Quote:

Originally Posted by endeffect0

I just showed my girl your power curve on your 'street car'. (she's very much into her turbo 2liter Cosworth fords) her response was Wow! whats his race car like?

Ironically enough, my race car will make less HP than my street car when it's finished. But should be equally quick being that it weighs almost 900 lbs less.

Quote:

Originally Posted by TofastForU_99

Man Paul wish I was there. I cant wait for the new setup and the numbers on that one. Still kinda upset it had to break on you like that before we got to the track this friday. But anyways great work glad I could help out.

Thanks Allen. Yeah, I was debating pulling the head to resurface it and getting it back together before tonight, but then I'd still be racing on a failing clutch (which I can't afford to replace right now). I can be patient until the spring. You still going to 131 tonight? I still might try to make it down there.

Also, you know anyone who might be interested in buying my turbo set-up? You should talk John into it. It'd be sick on a stroker engine.

tenn-gsx · 09-03-2010, 09:19 AM

Man if I wasnt building a new engine , deployed and putting in a complete new suspension I would buy this setup in a blink. I bet this configuration would be un stopable on a 2.3l.

AK Maniak · 09-03-2010, 09:22 AM

Very impressive. Its innovations and new idea's like your compound set up that keep the DSM community alive and honda owners angry

99gst_racer · 09-03-2010, 09:28 AM

Thanks guys.

VETTE_50_TH · 09-03-2010, 09:32 AM

Why is your car only running the front wheels but you have a converted gst to gsx????? You have a switchable trans or something too?

gofer · 09-03-2010, 09:45 AM

Quote:

Originally Posted by 99gst_racer

I had some fun on the dyno yesterday. It was a 2WD Dynojet, so I dropped the t-case and driveshaft and hit the road. The very first pull blew the tires clean off on the rollers before we even hit 6K rpms. Love that torque! We eventually had to turn the tire pressures down to 20 psi and use some sort of spray on aerosol traction promoter to get traction. Immediately, the clutch began to slip in the 5000-6700 RPM range and slowly catching back up. I'm pushing this ACT 2600 well beyond what it's rated for and I'm surprised it's done as well as it has thus far. But, it's time for a twin disk. The blank areas on the dynograph are where the rollers weren't accurately reading due to the clutch. And when it caught, it still wasn't catching 100%.

Despite the slipping clutch, I was still able to squeeze out 609 WHP and 541 ft/lbs torque. This was at 47 PSI! But, the final pull also answered my question of whether or not the head was warped from overheating at the shootout. The head gasket popped somewhere between cylinders 2 and 3 and was pissing a stream of coolant out the back of the block. So, I'll have the head resurfaced this time around and should be all set. And I'll have to get a better clutch before I can see true and complete curves and peaks.

This power curve is gnarly! This is exactly why it's an absolute blast to drive around on the street.

We did some math and we feel it would have peaked in the 680-700 WHP range had the clutch held. And we would have started the pulls at a much lower RPM, but that was putting the clutch in an even tighter headlock.

Datalog attached.

You've just got to read the second sentence of Paul's original post.

VETTE_50_TH · 09-03-2010, 11:22 AM

Where is the big ol coy emoticon when you need it. Makes me wonder what his awhp would be? Hmm

TofastForU_99 · 09-03-2010, 12:10 PM

Yah Paul hoping the rain will hold out. You should shoot me a pm for the setup

Ill see what I can do. We are meeting at the shop at 6-7ish if you wanna meet with us.

necrotopsy · 09-19-2010, 06:01 AM

i guess no answer is the same as a no. would have been nice if you just said no thanks.

1995gsx20g · 09-20-2010, 07:46 PM

Congrats!! i still can't get over the fact that the total area under that curve is so massive

diambo4life · 09-20-2010, 11:28 PM

Very nice. Weird I see this only now. Definitely one of the more unique setups in the DSM world. Great job.

99gst_racer · 09-21-2010, 06:22 AM

Thanks Mike.

pazsion · 09-22-2010, 11:42 AM

wow, what kinda blow off's you got and where are they located? sounds like it's not releiveing a whole lot of pressue.. but 47psi is massive for any motor /turbo setup..

this car properly tightened up.. i feel could push beyond 1400whp

whats this about not running the same turbo's again?

99gst_racer · 09-22-2010, 12:00 PM

Quote:

Originally Posted by pazsion

wow, what kinda blow off's you got and where are they located? sounds like it's not releiveing a whole lot of pressue.. but 47psi is massive for any motor /turbo setup..

The sound that the camera picked up wasn't even close to what we were hearing. That dyno video is a poor tool to judge from. My BOVs are actually quite loud in person and seem to be sufficient in preventing compressor surge.

I have 2 Greddy BOV's about a foot from the TB:

Quote:

Originally Posted by pazsion

this car properly tightened up.. i feel could push beyond 1400whp

I'm not sure what you mean by "tightened up", but these compressors would never be able to compress enough air to support 1400 WHP. Never in my wildest dreams. I'd say this system would be good for 700-750 WHP max.

Quote:

Originally Posted by pazsion

whats this about not running the same turbo's again?

I sold the set-up and have begun fabricating a new configuration. I'm completely sold on compound turbocharging, but I wanted to change a few things for the next season.

romeen · 09-22-2010, 12:49 PM

Awesome work and truly impressive results Paul.

Car sounds amazing and I can only imagine how fun it must be to drive.

Ever consider making kits for market?

chronister76 · 09-22-2010, 01:04 PM

that car is awesome!

47 p s i !!!!!! You can hear that coming , sounds like jet!! Nice dyno!

99gst_racer · 09-22-2010, 01:08 PM

Quote:

Originally Posted by romeen

Awesome work and truly impressive results Paul.

Car sounds amazing and I can only imagine how fun it must be to drive.

Ever consider making kits for market?

Thanks man.

I have considered producing these, but I think the market for something like this is incredibly slim. And I honestly don't have the time or resources either. Most of the people that seem to be really interested in compound turbocharging are DIY guys like me. Few seem to be willing to pay several thousand dollars to have someone else do the work.