Came third in horsepower competition

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06-29-2002, 06:53 PM

turbo97SE

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Came third in horsepower competition

PFI (The guys that did my turbo) had their grand opening today! There were competitions for the highest import and domestic cars. I was pushing 11.93 psi and only made 319 HP. It was over 100F today and they didn't run the fan to cool my intercooler. Still the engine held together but I was disappointed. The clutch actually slipped. I tried to keep the clutch as cool as possible and it held for the most part. At 9 psi I made 352 HP and 349 ft-lbs a couple of months ago, so it's seems weird to me. But then again my car is very untuned.

Well I came third to two Supras. One at 670 HP and the other at 450HP. Forth was a BMW M3 at 286 (I think).

I am not sure why the power went down. I have 17" rims now instead of 16" but I am running higher boost. The turbo should still be in its efficiency range. I think I need to tune my car with an AFC, which is on its way. I think I'll check the compression again this week to make sure everything is OK. I am suspecting fuel delivery issues. Seeing 670 HP makes me want to build an engine and run over 20 psi! Has anyone done that yet?

06-29-2002, 07:01 PM

JustTry

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Re: Came third in horsepower competition

Quote:

Originally posted by turbo97SE
PFI (The guys that did my turbo) had their grand opening today! There were competitions for the highest import and domestic cars. I was pushing 11.93 psi and only made 319 HP. It was over 100F today and they didn't run the fan to cool my intercooler. Still the engine held together but I was disappointed. The clutch actually slipped. I tried to keep the clutch as cool as possible and it held for the most part. At 9 psi I made 352 HP and 349 ft-lbs a couple of months ago, so it's seems weird to me. But then again my car is very untuned.

Well I came third to two Supras. One at 670 HP and the other at 450HP. Forth was a BMW M3 at 286 (I think).

I am not sure why the power went down. I have 17" rims now instead of 16" but I am running higher boost. The turbo should still be in its efficiency range. I think I need to tune my car with an AFC, which is on its way. I think I'll check the compression again this week to make sure everything is OK. I am suspecting fuel delivery issues. Seeing 670 HP makes me want to build an engine and run over 20 psi! Has anyone done that yet?

Hm....maybe air leaks can cause lower power (yet you measured the psi so...)Maybe fuel injectors, pump, ect....
Good job with the 3rd place though...i sure am jealous, hehe

06-29-2002, 07:20 PM

Pervis Anathema

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Re: Came third in horsepower competition

Quote:

Originally posted by turbo97SE
PFI ( At 9 psi I made 352 HP and 349 ft-lbs a couple of months ago, so it's seems weird to me. But then again my car is very untuned.

That must be a wonderful problem to have!

06-29-2002, 08:45 PM

NYCe MaXiMa

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holy **** man

congrats..
i figured the 2 top cars had to be Supras

but it's okay, you're just as fast, if not faster, and you're FWD

very nice
you have a hell of a sleeper there..

06-29-2002, 10:14 PM

metallic97gxe

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congrats man nice....

the Supra owners eyes........

06-30-2002, 11:00 AM

Jr'sMaxima

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Way to go Nigel, thats way good!! Are you going to the meet down at the USHOME lot at the Park Meadows mall this coming Saturday, the 6th? Should be about 8-10 of us going on down there.

http://forums.maxima.org/showthread....32#post1205032

theres the link to the thread. Hope to see ya there and if not at least runnin around FC once in a while....oh, I guess my friend saw your car one day, he was all "you ever seen that dude in the green maxima and his car goes all wooosh and stuff" i was like yeah, his cars all slow, you should race him!

LOL. But then I told him how fast it was and his jaw dropped, lol, it was great.

06-30-2002, 12:25 PM

bmxsteve

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I don't know that you would be able to feed the VQ enough fuel to run 20pounds. My friend's '93 lude hit 25psi with 634hp.

07-10-2002, 08:50 AM

Ghost face Max

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Quote:

Originally posted by NYCe MaXiMa
holy **** man congrats..
i figured the 2 top cars had to be Supras but it's okay, you're just as fast, if not faster, and you're FWD very nice
you have a hell of a sleeper there..

NO DOUBT

07-10-2002, 09:13 AM

tmkforever

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Re: Came third in horsepower competition

Quote:

Originally posted by turbo97SE
At 9 psi I made 352 HP and 349 ft-lbs a couple of months ago, so it's seems weird to me. But then again my car is very untuned.

Yeah that seems like a huge difference from what you just got at over 11psi...what's going on? Shouldn't you have more like 400 hp?

-Jon

07-10-2002, 01:56 PM

#10

95nissanMax

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Thats alot of hp!! that makes me want to put a turbo in my max all the more. how much did the whole thing cost and how much lag do u have.

thnx in advance

07-10-2002, 09:23 PM

#11

turbo97SE

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I think I found what the problem was. One of the temp sensors had come out so the MAF reading was incorrect. Anyway hopefully with the Super AFC, I should be able to tune better. We'll see! As far as lag is concerned, it is not so bad now I have a lightened flywheel. Engine spins up faster now.