Stock 7 bolt, Hx35 - 452whp 440 tq

[crash89]

Got my spyder on a dyno today I estimated the car would make around 460 to the tires, I was close! 452hp and 438tq. Boost peaked at 30psi and fell to 28. I found out after the pulls that both of the barbs on the waste gates were loose. Im definitely running out of fuel. Ran pretty damn lean the entire pull. I think at one point I saw 13.5 afr. I know Im in no way a professional tuner. This is fresh off the street tuned by me knowing pretty much nothing! haha

Stock 7 bolt
Unported head, BC272s and BC springs
Stock intake manifold
T/s Hx35 stock 12cm housing with a Redjack manifold
Single rewired 255, afpr and Delphi 1000s

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[CrackedDSM]

Nice, man. That curve looks intoxicating. Power and torque almost as quick as a 16G. You can tell it's falling off rather fast past 5.5-6k though. E85 right?



For the issues and self tuned that looks awesome. Might just go with a TS HX35 for the long-rod 4G64 build.

 

[crash89]

I was pretty surprised with the torque numbers as well. Yes, Im sorry I forgot to mention E85. I did notice power is really falling off at the top end. Most likely due to the stock intake manifold! But as far as future mods I think just fuel uprades is all that its getting, just to get me over that 500 mark! Then another project starts.

 

[LandSpeed-DSM]

These mid-size (54-60mm) Borg and Holset turbos are a blast, aren't they? The 59mm I had before this setup was the only other turbo I've had on one of my cars (besides this HX52) that managed to keep my interest for more than a season.

Which compressor wheel do you have?

 

[crash89]

I love it! Only thing Id like more is a little less lag. This RedJack manifold is awesome but the runners are so big I dont see full boost until 4400 ish. Its a 7 blade compressor.

I blew an intercooler pipe off last night just accelerating to the 30mph speed limit. So Im pretty sure it was a pretty decent boost leak durning the dyno. Shame on me for not doing a boost leak test.

 

[wishihadatalon]

Very awesome results. If you don't mind me asking, what kind of dyno was it on? My buddy just dynoed his car at Force Engineering last weekend and on a stock 6 bolt with hks 264/272 cams and a single scroll t3 hx35 the car made 444whp and 420ft lbs at 30psi. His torque fell off really fast just like yours.

 

[crash89]

It was a dynojet.

 

[crash89]

Well think i can update this. i found time to get the car to a dyno day yesterday. The only thing i changed aince last year was the injector size. Im now on rci2200s. I hoped to have the car on 100% e85 by the time i went up but it didnt work that way. I managed to get about 50% or so and had a tune thrown at it while we where up there.

Stock 7 bolt, BC272s and springs
Single rewired 255 and rci2200s
T/s hx35 ~31psi
Netted me 473/464awhp!!

Not bad for 50/50 e85 and 93oct and a pretty conservative tune.
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[crash89]

Video of the dyno run.

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[MJBean420]

Video of the dyno run.

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Hey Tom. Says the video is private. But, congrats on the dy o numbers. You gonna make it out to the Shootout this year?

 

[NordicSaab]

Congrats! Strong numbers

 

[crash89]

Hey Tom. Says the video is private. But, congrats on the dy o numbers. You gonna make it out to the Shootout this year?

Should be fixed now!! Im not sure if i will or not. Had a baby this year so we will see!