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11-22-2014, 10:40 AM

#26

Gunney_07

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performance autoworks wr-2

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11-22-2014, 11:08 AM

#27

Slowbalt64

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Do a big wheel upgrade

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11-22-2014, 12:45 PM

#28

Shane H

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Quote:

Originally Posted by Terminator2

This and let that thing rev as high as the trans will allow it to shift properly. I tuned a few auto HHRs but all were stock turbo.

Why do you say that? Isn't the 256et a little big for what I want? Right now I'm shifting like 6800 ish.

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11-22-2014, 01:17 PM

#29

JapEatr

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Its a better turbo than a ZFR

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11-22-2014, 01:37 PM

#30

Shane H

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Quote:

Originally Posted by JapEatr

Its a better turbo than a ZFR

So you think I'd be better off running that at a lower level Then a ZFR at a higher?

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11-22-2014, 01:39 PM

#31

JapEatr

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Yes

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11-22-2014, 01:45 PM

#32

Shane H

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Quote:

Originally Posted by JapEatr

Yes

What is so bad about the zfr?

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11-22-2014, 08:13 PM

#33

Terminator2

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Quote:

Originally Posted by Shane H

What is so bad about the zfr?

Midrange surge at high boost. S-256 spools just as fast, no surge in the midrange and pulls harder up top IMHO.

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11-23-2014, 11:44 AM

#34

Gunney_07

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s56et doesn't stop pulling up top and does not seem to torque shock the transmission as bad as a zfr. I'm trapping 122mph, on stock clutch and transmission, and I'm doing ok so far. I've seen so many people with zfr toast clutch and transmissions it not funny.

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11-23-2014, 02:44 PM

#35

raver0789

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No offense but the s256et killed my stock transmission. I wouldn't count on it surviving on any aftermarket turbo. Spool is one factor. Overall lengthened torque load on the gears is another. The zfr spools faster than an s256et. The s256et pulls more up top and will net you larger gains on pump gas because it flows more air. Personally I would do an s259et in a .55. Even more top end and spool about 100rpms later than an s256et. I've had both. Plus the loud whistle of the 259 is nice.