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T51R for Track racing?

Old 10-30-07, 10:26 PM
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T51R for Track racing?

Got a little question here.
I am doing a streeport maybe mild maybe aggresive im not sure yet. I own a GT35R kit with a .82 hotside. For my stock engine, it was the bomb.. quick spooling, fast power. And this year im looking into going with autocross and I like drag racing alot. And right now I am beeing offered a T51R from HKS kit. So what im asking myself is, is this turbo going to be overkill for a track setup? too much lag to have good spool response? Or is it just a question of 2-300 rpms for the same progressive spooling.

Problem im seeing rightnow with my setup is that the streetport is going to outflow the GT35R. And since Garret doesnt offer a 1.06 hotside for the GT35R /t4 well im stuck selling this kit which is brand new.

What should I go with?
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Old 10-30-07, 10:56 PM
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I believe aspec tuning out in chicago offers the hotside you'd need for your 35R. Your streetport won't outflow a 35R with a proper turbine a/r. Also, I don't think the 51R will work well for autocrossing at all.
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Old 10-30-07, 10:57 PM
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for autocross??? it wouldn't be my first choice. the T51R is a greeeeat turbo for a high hp street car or drag or solo I road coarse. for tight parking lot racing it will probably be a dog for the most part.
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Old 10-30-07, 11:08 PM
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for street racing, high way pulls, and drag racing its probably the best turbo. If your autoXing in parking lots then you may just want a bigger hotside for your turbo...
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Old 10-31-07, 05:56 AM
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A T51R, hmm all i can say is lagg with that turbo. Don't expect to see boost untill 5000 rpm with that turbo. That's a huge Turbo, capable of about 800hp+.

Iv'e been using a T04E with a ar.96 hotside these last 2 years and ive been realy happy with that turbo. Starts to spool at about 2300 rpm with a extended street port, and has 15 psi at around 3400 rpm.

We dynoed it in August and it put out 406rwhp at 14 psi. Could not get the boost higher due to a faulty wastegate.

But il be going for a T04Z or a GT4088R next year for my track car. Wich are also great turbos.

But a T04E will suit your needs good, and it's cheap. About 900 USD from cheapturbos.com

JT
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Old 10-31-07, 10:19 AM
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Alright thanks alot for the feedback guys, thats what I thought primarily about the turbo. So good for High end but too laggy for a short road course.

And thanks alot Goodfellas for the aspec thing, I had no idea they were making those hotsides, and you know, thats just great news, ill be able to keep my lil' turbo then.

Thanks again
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