quote Originally posted by Jncomutt: Should have gone with the no-lift... Great times even still. Also need to consider popping the hood before your run, it actually helps. Have you considered what the problem may be for the issue of the boost/power? Could you be outflowing that turbo or your intercooler? I would be really interested to see that thing on a dyno at 20 and 26 to see whats really happening.

I am pointing a finger at the exhaust housing on this VGT turbo... I had this turbo on a V8 (for like a week), and it showed something similar at this flow level.

When i get bored I am going to look at things closely between different boost levels and see what is going on. I might try to setup a exhaust pressure gauge if possible. If the turbo is tapped out, that wouldnt really be a big problem it would just be nice to know. From what I gathered with what little info i had at the track, the turbo never flowed any more air passed 21psi... So I would never expect the compressor side to cause that problem, which leaves the motor.. and exhaust valve float could be an issue if TIP pressure is over ~55psi... which I doubt because the wastegate in that would control most any boost level I wanted it to.. Last on the list is just raw head flow problems... which with tiny 190cfm ports and stock duration... I could see problems.

I noticed your headlight covers came up in the first run ,but not in the others.Did you do something to keep them down?

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IMSA 34
60' - 1.555
1/4 mi - 10.519
mph - 130.29


TOO FAR
60' - 1.491
1/4 mi - 11.323
mph - 116.4

Good runs.... That car has balls. Not much to say for the track though. (Drag strip was rough)

Love the sound of that turbo singing!

quote Originally posted by Don Kraus: I noticed your headlight covers came up in the first run ,but not in the others.Did you do something to keep them down?

Yes, I forgot to tape them down on the first run.

I left my air filter on the whole time since the track was so dirty at the big end.

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Turbo 3800 E85 F23 5spd spec5
11.17@132.6

[This message has been edited by darkhorizon (edited 10-22-2012).]

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Turbo 3800 E85 F23 5spd spec5
11.17@132.6

Congrats on the new PB...Car us hauling the mail and the F-23 is taking care of business forsure...

Round 2? It should be a nice warm weekend.

Autocrossing it again this Saturday with the same group.

There is a a slight chance I might be at that crappy drag strip again on Sunday.

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Turbo 3800 E85 F23 5spd spec5
11.17@132.6

This track seems to be setup a little faster. My horsepower defiantly helped this time. Doing this autocross stuff really makes me want to drop some cash on tires made for it. So much fun.

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Turbo 3800 E85 F23 5spd spec5
11.17@132.6

With the power your car makes, you need to get that beast on a road course! Nice runs.

quote Originally posted by BV MotorSports: With the power your car makes, you need to get that beast on a road course! Nice runs.

The roadcourses are tighter than that around here... and they are pretty darn dangerous....

quote Originally posted by darkhorizon: The roadcourses are tighter than that around here... and they are pretty darn dangerous....

What the heck are you talking about?

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Turbo 3800 E85 F23 5spd spec5
11.17@132.6

quote Originally posted by darkhorizon: The roadcourses are tighter than that around here... and they are pretty darn dangerous....

LOL I said road course not go-kart track.

Waterford hills is a extremely tight and slow track... There is one straight you could punch it on a bit but it was only a 3rd gear hit. Spinning out really isnt an option if you want to leave without a trailer...

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Turbo 3800 E85 F23 5spd spec5
11.17@132.6

[This message has been edited by Justinbart (edited 11-11-2012).]

Sweet pics and vids!!!!

Man that acceleration just seems brutal when you can really punch it coming out of a turn into a straight, I can't imagine being in your car. Car sounds great too!

Thanks! It's a ton of fun. I guess it's pretty crazy in the passenger seat.

Here is a video from one of my buddies. I think he's doing it wrong. Between heats he spent $110 on tires and they still didn't get him home.


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Turbo 3800 E85 F23 5spd spec5
11.17@132.6

[This message has been edited by Justinbart (edited 11-11-2012).]

A Buick Park Avenue?? Haha!!

But seriously, looks like tons of fun! Good to see the F23 is taking it just fine. Someday I'll build something similar, hopefully.

Wiat a minute.. a Fiero being used for something other than a car show? Say it aint so!